CN105531969B

CN105531969B - service routing method, device and system

Info

Publication number: CN105531969B
Application number: CN201480035955.9A
Authority: CN
Inventors: 杨雪皎; 周汉; 王岩
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-08-12
Filing date: 2014-08-12
Publication date: 2018-10-12
Anticipated expiration: 2034-08-12
Also published as: WO2016023167A1; CN105531969A

Abstract

A kind of service routing system of offer of the embodiment of the present invention and method enable to the interruption that will not cause customer service when the load for carrying out business enabler reassigns.This method includes：The session status of the user influenced by overload on the first business enabler of overload is judged, wherein the Business Stream of the current sessions of the user influenced by overload flows through the first business enabler；The new session of current sessions is assigned to the second business enabler according to the session status of user, current sessions are identical as the type of service of new session, and the second business enabler is identical as the function of the first business enabler.The embodiment of the present invention determines how migrated users flow improves user experience to ensure that customer service is not interrupted while completing load balancing by judging whether the user that is serviced of business enabler of overload is carrying out business.

Description

Service routing method, device and system

Technical field

The present invention relates to the communications fields, and more particularly, to service routing method, device and system.

Background technology

With the rapid development of Internet technology and widely available, the movement such as mobile phone shopping, payment, office of intelligent terminal The blowout for also bringing mobile terminal flow while greatly facilitating people’s lives is applied to increase, but the receipts of operator Therefore benefit is not only without increasing, ARPU (Average Revenue Per User, ARPU) is declining, operator instead Be faced with the destiny for becoming " dumb pipe " of application service providers.In order to change this situation to carry with seeking profit margin It rises, operators need the pipeline operation more precisely segmented to service traffics, by charging, being received by type of service on demand Expense is to promote ARPU.

Deployment value-added service helps to carry out more accurately pipeline operation to service traffics and promotes the experience effect of user Fruit, thus some mainstream carriers used the various value-added service servers of connection in series-parallel (Value Added Service, VAS scheme) disposes value-added service.These value-added service servers are referred to as business enabler (Service Enabler, SE).To ensure functions reliably and efficiently to provide value-added service to the user, when disposing value-added service, for each The value-added service of type provides multiple VAS examples (SE examples), and SE examples with the same function form VAS pond (VAS Pool), as shown in Figure 1.

Fig. 1 shows the route system (abbreviation service routing system) based on business, including service stream classification device (Service Traffic Classifier, STC), service path controller (Service Path Controller, SPC), Interchanger and several business enabler SE, wherein STC and SE are interconnected by interchanger, and each interchanger is uniformly controlled by SPC.With When the Business Stream of family equipment (User Equipment, UE) reaches STC, the type of Business Stream is identified in STC, and to SPC The information of current business flow and corresponding business routing rule information are reported, wherein business routing rule information is issued by PCRF To STC's.It is that the Business Stream is true according to resource topology (topology between interchanger, SE, STC) after SPC receives business routing rule Determine service path, that is, determine which interchanger the message of Business Stream will pass through, and setting is directed to the business on the switches The forward rule of the message of stream, forward rule can indicate that the message of Business Stream is sent out from which port of interchanger, next-hop By which specific SE.

It due to carrying out service path distribution for Business Stream is carried out according to the present load of SE, in general can It is inevasible to will appear certain so that the Business Stream (load) of each SE carrying reaches equilibrium state, however in the peak traffic phase The excessive situation of the Business Stream of a or multiple SE carrying, the generation when the Business Stream of SE carryings is more than its maximum processing capability Phenomena such as congestion, packet loss occur for the Business Stream of overload, the SE carryings of overload so that user experience reduces.Therefore, how to overload Business enabler carrying Business Stream carry out load reassign become urgent problem to be solved.

Invention content

The embodiment of the present invention provides a kind of methods, devices and systems of business routing, can not cause user equipment industry Business solves business enabler overload in the case of interrupting caused by phenomena such as congestion, packet loss, user experience is improved.

In a first aspect, a kind of service routing method is provided, including："Policy and Charging Rules Function PCRF entities determine by The first Business Stream influenced to overload, wherein first Business Stream is the first business for flowing through overload according to the first service path The Business Stream of enabler；The PCRF entities send the mark of the second service path to service stream classification device STC, so that described STC is when the current sessions of first Business Stream terminate or the new session of first Business Stream starts, by described second The mark of service path distributes to first Business Stream so that the new session of first Business Stream is according to described second Service path flows through the second business enabler, wherein the first business enabler it is different with the second business enabler and Function type is identical.

With reference to first aspect, in its first realization method, the PCRF entities determine first influenced by overload Business Stream, including：Obtain the mark of the first business enabler of overload；It is obtained according to the mark of the first business enabler Learnt from else's experience the first business enabler the first service path mark；It is being assigned the mark of first service path First Business Stream is determined in Business Stream.

With reference to first aspect and its above-mentioned realization method, in its second of realization method, the PCRF entities determine by The first Business Stream influenced to overload, including：Receive the mark for first service path that service path controller SPC is sent Know, wherein the mark of first service path is obtained by the SPC according to the mark of the first business enabler of overload； First Business Stream is determined in being assigned the Business Stream of mark of first service path.

With reference to first aspect and its above-mentioned realization method, in its third realization method, in the PCRF entities to STC Before the mark for sending the second service path, the method further includes：Event subscription requests are sent to the STC, so that institute The event result that STC detects first Business Stream is stated, wherein the event result includes the current meeting of first Business Stream Words terminate or new session starts；Receive what the STC was sent when detecting the event result of first Business Stream Response message；The mark of second service path is determined for first Business Stream.

With reference to first aspect and its above-mentioned realization method, in its 4th kind of realization method, described is first business Stream determines the mark of second service path, including：According to the identifying of the first business enabler, first Business Stream Type of service, at least one in the business routing rules that prestore of the PCRF and the current load condition of each business enabler Kind, determine the second service path by the second business enabler.

With reference to first aspect and its above-mentioned realization method, in its 5th kind of realization method, described is first business Stream determines the mark of second service path, including：The mark for asking second service path is sent to the SPC Request message so that the SPC is according to the identifying of the first business enabler, the type of service of first Business Stream Current at least one of the load condition with each business enabler determines the second industry by the second business enabler Business path；Receive the mark for second service path that the SPC is sent.

With reference to first aspect and its above-mentioned realization method, described to send thing to the STC in its 6th kind of realization method Before part subscribes to request, further include：The SPC is received according to the identifying of the first business enabler, first Business Stream Type of service and current at least one of the load condition of each business enabler second industry that determines and send The mark in business path, wherein the second service path passes through the second business enabler.

With reference to first aspect and its above-mentioned realization method, in its 7th kind of realization method, the PCRF entities are to business Before flow classifier STC sends the mark of the second service path, further include：According to the mark of the first business enabler, institute State the type of service of the first Business Stream, the business routing rule that the PCRF prestores and the current load shape of each business enabler At least one of state determines the second service path by the second business enabler.

Second aspect provides a kind of service routing method, including：Service stream classification device STC is determined to be influenced by overload The first Business Stream, wherein first Business Stream is the industry for the first business enabler for flowing through overload according to the first service path Business stream；The STC determines the current sessions state of first Business Stream；Current meetings of the STC in first Business Stream When words terminate or the new session of first Business Stream starts, the mark of the second service path is distributed into first business Stream, so that the new session of first Business Stream flows through the second business enabler according to second service path, Described in the first business enabler it is different with the second business enabler and function type is identical.

In conjunction with second aspect, in its first realization method, the STC determines the first business influenced by overload Stream, including：Obtain the mark of first service path；In being assigned the Business Stream of mark of first service path really Fixed first Business Stream.

In conjunction with second aspect and its above-mentioned realization method, in its second of realization method, determination first industry The mark in business path, including：The mark of the first business enabler of overload is obtained, and according to the first business enabler Mark obtain by the first business enabler the first service path mark；Or receive service path controller SPC send first service path mark, wherein the mark of first service path by the SPC according to overload The mark of the first business enabler obtains；Or receive strategy is sent with charging rule functions PCRF entities described first The mark of service path, wherein the mark of first service path by the PCRF entities according to first business of overload The mark of enabler obtains.

In conjunction with second aspect and its above-mentioned realization method, in its third realization method, the STC determines described first Before the current sessions state of Business Stream, further include：The mark for second service path that the PCRF is sent is received, wherein The mark of second service path is by the PCRF according to the identifying of the first business enabler, first Business Stream Current at least one of the load condition of business routing rule and each business enabler that type of service, the PCRF prestore It determines, second service path passes through the second business enabler.

In conjunction with second aspect and its above-mentioned realization method, in its 4th kind of realization method, the reception service path control After the mark for first service path that device SPC processed is sent, further include：It is sent to the SPC for asking described second The request message of the mark of service path, so that the SPC is according to the identifying of the first business enabler, first industry Second business is passed through in the type of service of stream of being engaged in and at least one of the load condition that each business enabler is current, determination Second service path of enabler；Receive the mark for second service path that the SPC is sent.

In conjunction with second aspect and its above-mentioned realization method, in its 5th kind of realization method, the STC determines described first Before the current sessions state of Business Stream, further include：The mark for second service path that the SPC is sent is received, wherein The mark of second service path is by the SPC according to the identifying of the first business enabler, first Business Stream At least one of type of service and the current load condition of each business enabler determine that second service path passes through institute State the second business enabler.

The third aspect provides a kind of service routing method, including：Service path controller SPC obtains the first of overload The mark of business enabler；The SPC obtains enabled by first business according to the mark of the first business enabler The mark of first service path of device；The SPC is sent out to "Policy and Charging Rules Function PCRF entities or service stream classification device STC The mark for sending first service path is assigned the mark of the first service path in order to which the PCRF entities or STC are determined The first Business Stream, wherein first Business Stream is the industry for the first business enabler for flowing through overload according to the first service path Business stream；And the SPC is according to the identifying of the first business enabler, the type of service of first Business Stream and each Current at least one of the load condition of business enabler determines the mark of the second service path by the second business enabler Know, wherein the first business enabler is different with the second business enabler and function is identical；The SPC is to described PCRF entities or the STC send the mark of second service path, in order to which the PCRF entities or the STC are described When the current sessions of first Business Stream terminate or the new session of first Business Stream starts, by second service path Mark distributes to first Business Stream so that the new session of first Business Stream is according to the second service path stream Through the second business enabler.

In conjunction with the third aspect, in its first realization method, the SPC is sent to the PCRF entities or the STC Before the mark of second service path, further include：Receive the PCRF entities or the STC send it is described for asking The request message of the mark of second service path.

Fourth aspect provides a kind of service routing apparatus, including：Processing unit, for determining by overload influence First Business Stream, wherein first Business Stream is the business for the first business enabler for flowing through overload according to the first service path Stream；Transmission unit, the mark for sending the second service path to service stream classification device STC, so that the STC is described the When the current sessions of one Business Stream terminate or the new session of first Business Stream starts, by the mark of second service path First Business Stream is distributed in knowledge so that the new session of first Business Stream is flowed through according to second service path Second business enabler, wherein the first business enabler is different with the second business enabler and function type is identical.

In conjunction with fourth aspect, in its first realization method, the processing unit is specifically used for：Obtain the described of overload The mark of first business enabler；It is obtained by the first business enabler according to the mark of the first business enabler The mark of first service path；First business is determined in being assigned the Business Stream of mark of first service path Stream.

In conjunction with fourth aspect and its above-mentioned realization method, in its second of realization method, described device further includes receiving Unit, the receiving unit are used for：The mark for first service path that service path controller SPC is sent is received, wherein The mark of first service path is obtained by the SPC according to the mark of the first business enabler of overload；The place Reason unit is additionally operable to：First Business Stream is determined in being assigned the Business Stream of mark of first service path.

In conjunction with fourth aspect and its above-mentioned realization method, in its third realization method, the transmission unit is additionally operable to： Event subscription requests are sent to the STC, so that the STC detects the event result of first Business Stream, wherein described Event result includes that the current sessions of first Business Stream terminate or new session starts；The receiving unit is additionally operable to：It connects Receive the response message that the STC is sent when detecting the event result of first Business Stream；The processing unit is also For：The mark of second service path is determined for first Business Stream.

In conjunction with fourth aspect and its above-mentioned realization method, in its 4th kind of realization method, the processing unit is specifically used In：According to the identifying of the first business enabler, the business road that type of service, the described device of first Business Stream prestore By rule and current at least one of the load condition of each business enabler, determine by the second business enabler Second service path.

In conjunction with fourth aspect and its above-mentioned realization method, in its 5th kind of realization method, the transmission unit is specifically used In：The request message that the mark for asking second service path is sent to the SPC, so that the SPC is according to institute State the identifying of the first business enabler, the load condition that the type of service of first Business Stream and each business enabler are current At least one of, determine the second service path by the second business enabler；The receiving unit is specifically used for connecing Receive the mark for second service path that the SPC is sent.

In conjunction with fourth aspect and its above-mentioned realization method, in its 6th kind of realization method, the receiving unit is specifically used In：The SPC is received according to the identifying of the first business enabler, the type of service of first Business Stream and each business The mark of second service path that current at least one of the load condition of enabler is determined and sent, wherein second Service path passes through the second business enabler.

In conjunction with fourth aspect and its above-mentioned realization method, in its 7th kind of realization method, the processing unit is additionally operable to： According to the identifying of the first business enabler, the business routing that the type of service of first Business Stream, the PCRF prestore Current at least one of the load condition of regular and each business enabler determines the by the second business enabler Two service paths.

5th aspect, provides a kind of service routing apparatus, including：Processing unit, for determining by overload influence First Business Stream, wherein first Business Stream is the business for the first business enabler for flowing through overload according to the first service path Stream；The processing unit determines the current sessions state of first Business Stream；In the current sessions knot of first Business Stream When the new session of beam or first Business Stream starts, the processing unit distributes to the mark of the second service path described First Business Stream makes so that the new session of first Business Stream flows through the second business according to second service path Energy device, wherein the first business enabler is different with the second business enabler and function type is identical.

In conjunction with the 5th aspect, in its first realization method, the processing unit is specifically used for：Obtain first industry The mark in business path；First Business Stream is determined in being assigned the Business Stream of mark of first service path.

In conjunction with the 5th aspect and its above-mentioned realization method, in its second of realization method, described device further includes receiving Unit, the processing unit are specifically used for：The mark of the first business enabler of overload is obtained, and according to first industry The mark of business enabler obtains the mark of the first service path by the first business enabler；Or the receiving unit Mark for receiving first service path that service path controller SPC is sent, wherein first service path Mark is obtained by the SPC according to the mark of the first business enabler of overload；Or the receiving unit is for receiving The mark for first service path that strategy is sent with charging rule functions PCRF entities, wherein first service path Mark is obtained by the PCRF entities according to the mark of the first business enabler of overload.

In conjunction with the 5th aspect and its above-mentioned realization method, in its third realization method, the receiving unit is additionally operable to： The mark for receiving second service path that the PCRF is sent, wherein the mark of second service path is by the PCRF According to the identifying of the first business enabler, the business routing that the type of service of first Business Stream, the PCRF prestore At least one of current load condition of regular and each business enabler determines that second service path is by described the Two business enablers.

In conjunction with the 5th aspect and its above-mentioned realization method, in its 4th kind of realization method, described device further includes sending Unit, the transmission unit are used for：The request message of the mark for asking second service path is sent to the SPC, So that the SPC is according to the identifying of the first business enabler, the type of service of first Business Stream and each business Current at least one of the load condition of enabler determines the second service path by the second business enabler；Institute Receiving unit is stated to be additionally operable to receive the mark for second service path that the SPC is sent.

In conjunction with the 5th aspect and its above-mentioned realization method, in its 5th kind of realization method, the receiving unit is additionally operable to： The mark for receiving second service path that the SPC is sent, wherein the mark of second service path is by the SPC roots According to the identifying of the first business enabler, the load that the type of service of first Business Stream and each business enabler are current At least one of state determines that second service path passes through the second business enabler.

6th aspect, provides a kind of service routing apparatus, including：Processing unit, the first business for obtaining overload The mark of enabler；The processing unit obtains enabled by first business according to the mark of the first business enabler The mark of first service path of device；Transmission unit is used for "Policy and Charging Rules Function PCRF entities or service stream classification Device STC sends the mark of first service path, in order to which the PCRF entities or STC determinations are assigned the first service path Mark the first Business Stream, wherein first Business Stream be flowed through according to the first service path overload the first business it is enabled The Business Stream of device；And the processing unit is according to the identifying of the first business enabler, the business of first Business Stream Type and current at least one of the load condition of each business enabler, determine second by the second business enabler The mark of service path, wherein the first business enabler is different with the second business enabler and function is identical；It is described Transmission unit sends the mark of second service path to the PCRF entities or the STC, in order to the PCRF entities Or the STC is when the current sessions of first Business Stream terminate or the new session of first Business Stream starts, by institute The mark for stating the second service path distributes to first Business Stream so that the new session of first Business Stream is according to institute It states the second service path and flows through the second business enabler.

In conjunction with the 6th aspect, in its first realization method, described device further includes receiving unit, the receiving unit For：Receive the request message for the mark for asking second service path that the PCRF entities or the STC are sent.

7th aspect provides a kind of service routing apparatus, including memory, processor, radiating circuit, memory storage So that processor executes the following instruction operated：The first Business Stream influenced by overload is determined, wherein first Business Stream For flowed through according to the first service path overload the first business enabler Business Stream；By the radiating circuit to business flow point Class device STC sends the mark of the second service path so that the STC terminate in the current sessions of first Business Stream or When the new session of first Business Stream starts, the mark of second service path is distributed into first Business Stream, is made The new session of first Business Stream flows through the second business enabler according to second service path, wherein described the One business enabler is different with the second business enabler and function type is identical.

In conjunction with the 7th aspect, in its first realization method, the processor is specifically used for obtain overload described the The mark of one business enabler；The by the first business enabler is obtained according to the mark of the first business enabler The mark of one service path；First Business Stream is determined in being assigned the Business Stream of mark of first service path.

In conjunction with the 7th aspect and its above-mentioned realization method, in its second of realization method, the service routing apparatus is also Including receiving circuit, the processor is specifically used for：The institute that service path controller SPC is sent is received by the receiving circuit State the mark of the first service path, wherein the mark of first service path by the SPC according to first industry of overload The mark of business enabler obtains；First business is determined in being assigned the Business Stream of mark of first service path Stream.

In conjunction with the 7th aspect and its above-mentioned realization method, in its third realization method, the processor is additionally operable to：It is logical It crosses the radiating circuit and sends event subscription requests to the STC, so that the STC detects the event of first Business Stream As a result, the current sessions that the wherein described event result includes first Business Stream terminate or new session starts；By described Receiving circuit receives the response message that the STC is sent when detecting the event result of first Business Stream；For institute State the mark that the first Business Stream determines second service path

In conjunction with the 7th aspect and its above-mentioned realization method, in its 4th kind of realization method, the processor is additionally operable to root It route rule according to the identifying of the first business enabler, the business that the type of service of first Business Stream, the PCRF prestore The then load condition at least one of current with each business enabler determines second by the second business enabler Service path.

In conjunction with the 7th aspect and its above-mentioned realization method, in its 5th kind of realization method, the processor is additionally operable to：It is logical The request message for crossing the mark that the transmitter unit is sent to the SPC for asking second service path, so that institute State SPC according to the identifying of the first business enabler, the type of service of first Business Stream and each business enabler are worked as At least one of preceding load condition determines the second service path by the second business enabler；It is connect by described Receive the mark that unit receives second service path that the SPC is sent.

In conjunction with the 7th aspect and its above-mentioned realization method, in its 6th kind of realization method, the receiving circuit is additionally operable to： Receive the SPC according to the identifying of the first business enabler, the type of service of first Business Stream and each business make Can current at least one of the load condition of the device mark of second service path that determines and send, wherein the second industry Path be engaged in by the second business enabler.

In conjunction with the 7th aspect and its above-mentioned realization method, in its 7th kind of realization method, the processor is additionally operable to：Root It route rule according to the identifying of the first business enabler, the business that the type of service of first Business Stream, the PCRF prestore The then load condition at least one of current with each business enabler determines second by the second business enabler Service path.

Eighth aspect provides a kind of service routing apparatus, including memory, processor, and memory stores so that processing Device executes the following instruction operated：The first Business Stream influenced by overload is determined, wherein first Business Stream is according to the One service path flows through the Business Stream of the first business enabler of overload；Determine the current sessions state of first Business Stream； When the current sessions of first Business Stream terminate or the new session of first Business Stream starts, by the second service path Mark distribute to first Business Stream so that the new session of first Business Stream is according to second business road Diameter flows through the second business enabler, wherein the first business enabler is different with the second business enabler and function class Type is identical.

In conjunction with eighth aspect, in its first realization method, the processor is specifically used for：Obtain first business The mark in path；First Business Stream is determined in being assigned the Business Stream of mark of first service path.

In conjunction with eighth aspect and its above-mentioned realization method, in its second of realization method, the service routing apparatus is also Including receiving circuit, the processor is specifically used for：The mark of the first business enabler of overload is obtained, and according to described The mark of first business enabler obtains the mark of the first service path by the first business enabler；Or pass through institute The mark that receiving circuit receives first service path that service path controller SPC is sent is stated, wherein first business The mark in path is obtained by the SPC according to the mark of the first business enabler of overload；Or pass through reception electricity Road receives the mark for first service path that strategy is sent with charging rule functions PCRF entities, wherein first business The mark in path is obtained by the PCRF entities according to the mark of the first business enabler of overload.

In conjunction with eighth aspect and its above-mentioned realization method, in its third realization method, the receiving circuit is additionally operable to： The mark for receiving second service path that the PCRF is sent, wherein the mark of second service path is by the PCRF According to the identifying of the first business enabler, the business routing that the type of service of first Business Stream, the PCRF prestore At least one of current load condition of regular and each business enabler determines that second service path is by described the Two business enablers.

In conjunction with eighth aspect and its above-mentioned realization method, in its 4th kind of realization method, the service routing apparatus is also Including radiating circuit, the radiating circuit is used for：It is sent to the SPC for asking asking for the mark of second service path Message is sought, so that the SPC is according to the identifying of the first business enabler, the type of service of first Business Stream and each Current at least one of the load condition of a business enabler determines the second business road by the second business enabler Diameter；The receiving circuit is additionally operable to receive the mark for second service path that the SPC is sent.

In conjunction with eighth aspect and its above-mentioned realization method, in its 5th kind of realization method, the receiving circuit is additionally operable to： The mark for receiving second service path that the SPC is sent, wherein the mark of second service path is by the SPC roots According to the identifying of the first business enabler, the load that the type of service of first Business Stream and each business enabler are current At least one of state determines that second service path passes through the second business enabler.

9th aspect provides a kind of service routing apparatus, including memory, processor, radiating circuit, memory storage So that processor executes the following instruction operated：Obtain the mark of the first business enabler of overload；According to first business The mark of enabler obtains the mark of the first service path by the first business enabler；By the radiating circuit to "Policy and Charging Rules Function PCRF entities or service stream classification device STC send the mark of first service path, in order to The PCRF entities or STC determine the first Business Stream of the mark for being assigned the first service path, wherein first Business Stream For flowed through according to the first service path overload the first business enabler Business Stream；And according to the first business enabler Identify, at least one of the load condition that the type of service of first Business Stream and each business enabler are current, really Surely pass through the mark of the second service path of the second business enabler, wherein the first business enabler and second business Enabler is different and function is identical；By the radiating circuit second business is sent to the PCRF entities or the STC The mark in path, in order to which the PCRF entities or the STC terminate or described in the current sessions of first Business Stream When the new session of first Business Stream starts, the mark of second service path is distributed into first Business Stream so that institute The new session for stating the first Business Stream flows through the second business enabler according to second service path.

In conjunction with the 9th aspect, in its first realization method, the service routing apparatus further includes receiving circuit, described Receiving circuit is used for：Receive the mark for asking second service path that the PCRF entities or the STC are sent Request message.

The embodiment of the present invention flows through the business of the first business enabler by determining when the first business enabler is overloaded When the current sessions state of stream determine by the service flow transfer of the first business enabler to the second business enabler, to Solution business enabler can ensure that customer service is not interrupted, and user experience is improved while overload.

Description of the drawings

In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention Attached drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings Attached drawing.

Fig. 1 is the schematic block diagram of service routing system.

Fig. 2 is the flow chart of the service routing method of one embodiment of the invention.

Fig. 3 is the interaction figure of the service routing system of one embodiment of the invention.

Fig. 4 is the interaction figure of the service routing system of another embodiment of the present invention.

Fig. 5 is the interaction figure of the service routing system of another embodiment of the present invention.

Fig. 6 is the interaction figure of the service routing system of another embodiment of the present invention.

Fig. 7 is the flow chart of the service routing method of one embodiment of the invention.

Fig. 8 is the interaction figure of the service routing system of one embodiment of the invention.

Fig. 9 is the interaction figure of the service routing system of another embodiment of the present invention.

Figure 10 is the interaction figure of the service routing system of another embodiment of the present invention.

Figure 11 is the schematic block diagram of the service routing apparatus (PCRF) of one embodiment of the invention.

Figure 12 is the schematic block diagram of the service routing apparatus (STC) of one embodiment of the invention.

Figure 13 is the schematic block diagram of the service routing apparatus (SPC) of one embodiment of the invention.

Figure 14 is the schematic block diagram of the service routing apparatus (PCRF) of another embodiment of the present invention.

Figure 15 is the schematic block diagram of the service routing apparatus (STC) of another embodiment of the present invention.

Figure 16 is the schematic block diagram of the service routing apparatus (SPC) of another embodiment of the present invention.

Specific implementation mode

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation describes, it is clear that described embodiment is a part of the embodiment of the present invention, rather than whole embodiments.Based on this hair Embodiment in bright, the every other reality that those of ordinary skill in the art are obtained without making creative work Example is applied, the scope of protection of the invention should be all belonged to.

Technical scheme of the present invention can be applied to various communication systems, such as：Global system for mobile communications (Global System of Mobile communication, GSM), CDMA (Code Division Multiple Access, CDMA) system, wideband code division multiple access (Wideband Code Division Multiple Access, WCDMA), general packet Wireless traffic (General Packet Radio Service, GPRS), long term evolution (Long Term Evolution, LTE) Deng.

Fig. 1 is the schematic block diagram of service routing system.As shown in Figure 1, service routing system may include strategy and charging Rule functional (Policy and Charging Rules Function, PCRF), service stream classification device (Service Traffic Classifier, STC), service path controller (Service Path Controller, SPC), SE managers (SE Manager), business enabler monitor (SE Monitor), at least one switching equipment (Switch) and n SE service Device.Wherein n SE server is divided at least one business enabler pond (SE pool) or value-added service clothes according to function It is engaged in pond (VAS Pool), such as SE1 and SE2 belong to first SE Pool 1, SE a, SE b and SE c belong to second SE Pool 2。

Business enabler SE can refer to provide value-added service network element, such as can be video optimizer, fire wall, Business Stream compressor reducer, network (Web) buffer, deep message detector or hypertext transfer protocol (Hypertext Transfer Protocol, HTTP) head booster etc..

STC has the function of Business Stream detection/recognition, can be with the type of service of detection/recognition Business Stream, and is obtaining Operation is packaged to the data in the Business Stream after the corresponding service path mark of Business Stream, so that the Business Stream is according to this Service path is handled.

SPC has the function of service path selection, can be according to the function type of each SE, load condition and network-like State determines the one or more SE for specifically handling the Business Stream.

SE Manager have the function of each SE of management, can obtain the information such as the network topology of SE.

Whether SE Monitor can monitor the load condition of each SE and break down.

Above-mentioned Business Stream can be uplink service stream, can also refer to downstream service flow, and the embodiment of the present invention does not limit this It is fixed.

Wherein PCRF and STC has connection relation, tool at least one of SPC, SE Monitor and SE Manage For body, PCRF can be with any one in SPC, SE Monitor and SE Manage with connection relation, SPC, SE Interconnected relationship between Monitor and SE Manage threes allow PCRF and any one network element in three into Row interaction, STC can also be interacted by PCRF and SPC, SE Monitor and SE Manage threes；Similarly, STC It can be with any one in SPC, SE Monitor and SE Manage with connection relation, to which STC and PCRF can be with SPC, SE Monitor and SE Manage threes interact.

It should be understood that illustrate only a kind of connection type in above-mentioned a variety of connection types in Fig. 1, i.e. PCRF and SPC phases Connection, STC can be interacted by PCRF and SPC, SE Monitor and SE Manage, and PCRF can pass through SPC and SE Monitor, SE Manage are interacted, but the connection type in the embodiment of the present invention is not limited to this.

Based on above-mentioned connection relation, the load feelings about SE of SPC, SE Monitor and SE Manage storages or acquisition The information such as condition, configuration, weight can be sent to the sides PCRF and STC, so as to PCRF and STC can according to the loading condition of SE, The information such as configuration, weight are come the Business Stream determination for user equipment (UE) and distribute specific service path mark；And SPC can also The case where Business Stream of UE is obtained from the sides PCRF and STC by the connection relation between PCRF, STC, to SPC It can be the Business Stream determination of UE and distribute specific service path mark.

Specifically, the weight configured with each SE in business routing policy and SE pool at PCRF, wherein each SE's Weight is mainly related to the processing capacity of each SE, and the higher SE of processing capacity has higher weighted value, correspondingly, handles energy The lower SE of power has lower weighted value.It, can be according to weight polling dispatching algorithm when PCRF and STC carries out load distribution (Weighted Round-Robin Scheduling) or other equalization algorithms preferentially distribute Business Stream higher to weight SE, wherein the weight of each SE can be the specific business according to configuration, the processing of SE at PCRF or SE Manager or SPC It is preconfigured, it is obtained from the locals PCRF or SE Manager/SPC by PCRF when calling.It should be understood that SE Manage It can independently be disposed with SE Monitor, deployment can also be combined, be mainly used for monitoring, configure and managing each SE. PCRF is establishing Internet protocol (Internet Protocol, IP) connected reference network (IP-Connectivity for UE Access Network, IP-CAN) session when, can according to the type of service of UE and the weight of each SE at one of needs or One or a series of SE being chosen for UE in multiple SE pool, and distributing business ID of trace route path for the UE, PCRF is by business later The mark (Identification, ID) of one or a series of SE on ID of trace route path and the service path is sent to SPC together. Specifically, SE ID can be pre-configured in the database at PCRF, can also be obtained from SE Manager or SPC, SE ID can be the IP address of SE, uniform resource locator (Uniform Resource Locator, URL) or other self-defined marks Know, for example, the SE in second SE Pool 2 of SE1 or 2-b expressions in first SE Pool 1 can be indicated with 1-1 b.SPC calculates specific flow table issuance to relevant interchanger Switch so that correlation Switch according to service path mark UE Business Streams can be assigned in order on said one or a series of SE.

Alternatively, can also be by STC from PCRF acquisition business routing policies, including access style (such as 2G/ of UE 3G/4G is accessed), user's signing type (such as gold, silver, copper, ordinary user) of UE, type of service (such as video, voice) is corresponding SE Pool in business routing, as a simply example, type of service, which is the Business Stream of video, may need by having The SE Pool of network-caching (Web Cache) function and SE with video optimized (Video Optimization) function Pool。

When the Business Stream of UE arrives, STC needs according to the weight of SE to be UE in one or more SE pool of needs Choose one or a series of SE, and business ID of trace route path distributed for the Business Stream of the UE, later STC by service path mark and The ID of one or a series of SE on the service path is sent to SPC together.Specifically, the ID of SE can be PCRF in advance from It is obtained at SPC, such as the IP address of SE, URL, illustratively can also indicate the SE1 in first SE Pool 1 with 1-1, Or 2-b indicates the SE b in second SE Pool 2.SPC according to service path mark calculate specific flow table issuance to Relevant Switch is so that the Business Stream of UE can be assigned on said one or a series of SE by correlation Switch, to complete It is balanced at the initial load that Business Stream is assigned to each SE.

Fig. 2 is the flow chart of the service routing method of one embodiment of the invention.The method of Fig. 2 is by strategy and charging regulation Function PCRF entities execute.

S201, "Policy and Charging Rules Function PCRF entities determine the first Business Stream influenced by overload, wherein first Business Stream is the Business Stream for the first business enabler that overload is flowed through according to the first service path；

S202, PCRF entity send the mark of the second service path to service stream classification device STC, so that STC is first When the current sessions of Business Stream terminate or the new session of the first Business Stream starts, the mark of the second service path is distributed to One Business Stream so that the new session of the first Business Stream flows through the second business enabler according to the second service path, wherein the first industry Being engaged in, enabler is different with the second business enabler and function type is identical.

It should be understood that the first Business Stream of UE has specific type of service (i.e. function type), appoint for completing a certain item Business or request, first Business Stream can be made of at least one session, that is to say, that multiple sessions of the first Business Stream of composition Also type of service having the same, and for completing a certain item task or request, when each session start, establish UE and server Between transmission control protocol (Transmission Control Protocol, TCP) connection, the data that session is included by TCP Flow point is cut into the data message of suitable length to transmit, and TCP connection discharges when the session is ended.Therefore session midway terminates industry Business stream can cause TCP connection to be interrupted, so as to cause service disconnection.

Optionally, as one embodiment, PCRF entities determine the first Business Stream influenced by overload, including：It obtains The mark of first business enabler of overload；The by the first business enabler is obtained according to the mark of the first business enabler The mark of one service path；The first Business Stream is determined in being assigned the Business Stream of mark of the first service path.

It is possible, firstly, to carry out overload detection to business enabler by PCRF entities.Specifically, it is sent out in the first business enabler Gave birth to when, PCRF can know the mark (SE ID) of the first business enabler.The SE ID of first business enabler can be SE Monitor are sent to PCRF after detecting the first business enabler overload, i.e. PCRF can be obtained from SE Monitor The SE ID of first business enabler.Optionally, PCRF can also obtain overload by sending request message to SE Monitor The first business enabler mark.Wherein, the mark of the first business enabler can be the IP address of the first business enabler Or URL etc., the present invention does not limit this.

Further, since SE Manager and SE Monitor can be disposed independently, can also be joint deployment , therefore the mark of overloaded traffic enabler can also be to be sent to PCRF by SE Manager, SE Manager can be certainly Row detects the first business enabler of overload, after the SE ID that the first business enabler can also be obtained from SE Monitor It is sent to PCRF.

Due to initially to Business Stream carry out load distribution PCRF equipment or STC for UE Business Stream distribute service path When mark, the correspondence being stored between the mark of service path and the mark of business enabler, therefore, when the first business makes When energy device is detected overload, PCRF can determine the first of the UE influenced by overload according to the mark of the first business enabler Business Stream.Specifically, PCRF first can be according to the mark of the first business enabler and the mark and industry of above-mentioned service path Correspondence between the mark of enabler of being engaged in, determines the mark of the first service path by the first business enabler.Ying Li Solution, the service path by the first business enabler can have more than one, and flowing through the first business according to these service paths makes The Business Stream of energy device is all the Business Stream influenced by overload.PCRF determines the first Business Stream according to the mark of the first service path Mark, the first Business Stream can be that PCRF is randomly selected in the multiple Business Streams for being assigned the mark of the first service path 's.

Optionally, as one embodiment, PCRF entities determine the first Business Stream influenced by overload, including：It receives The mark for the first service path that service path controller SPC is sent, wherein the mark of the first service path by SPC according to overload The first business enabler mark obtain；The first business is determined in being assigned the Business Stream of mark of the first service path Stream.

Specifically, the overload detection of business enabler is completed by SPC, SPC can pass through SE Monitor/SE Manager detects that the first business enabler overloads, that is to say, that SPC, can be with for the overload detection process of business enabler It is acquisition process of the SPC for the mark of overloaded traffic enabler.In addition, SPC can also be by SE Monitor/SE Manager sends request message to obtain the mark of the first business enabler of overload.

After SPC detects the first business enabler overload, it can be determined by the according to the mark of the first business enabler The mark of first service path of one business enabler, and the mark of the first service path is sent to PCRF.Wherein, due to most Just to Business Stream carry out load distribution PCRF equipment or STC for UE Business Stream distribute business ID of trace route path when, can be by industry The correspondence being engaged between the mark in path and the mark of the business enabler of service path process is sent to SPC together, institute It can determine which industry is the mark of the first business enabler correspond to by above-mentioned correspondence with PCRF equipment, STC or SPC Business ID of trace route path determines which service path receives the influence of overload.

It, can be true according to the mark of the first service path after PCRF receives the mark of the first service path of SPC transmissions Fixed first Business Stream, it should be appreciated that the service path by the first business enabler can have more than one, according to these business roads The Business Stream that diameter flows through the first business enabler is all the Business Stream influenced by overload.PCRF is according to the mark of the first service path Know the first Business Stream for determining and being influenced by overload, the first Business Stream can be PCRF in the mark for being assigned the first service path Multiple Business Streams in randomly select.

Optionally, as one embodiment, before PCRF entities send the mark of the second service path to STC, method Further include：Event subscription requests are sent to STC, so that STC detects the event result of the first Business Stream, wherein event result packet The current sessions for including the first Business Stream terminate or new session starts；STC is received in the event result for detecting the first Business Stream When the response message that sends；The mark of the second service path is determined for the first Business Stream.

PCRF entities can send to STC after the first Business Stream influenced by overload is determined and be directed to first industry It is engaged in the event subscription requests of stream, to ask STC detecting that the current sessions of the first Business Stream terminate or when new session start, Respond the event subscription requests.

Wherein, the first Business Stream of UE has specific type of service (i.e. function type), for completing a certain item task Or request, first Business Stream can be made of at least one session, that is to say, that multiple sessions of the first Business Stream of composition Type of service having the same, and for completing a certain item task or request, when each session start establish UE and server it Between TCP connection, the data flow that session includes is divided into the data message of suitable length to transmit, works as conversation end by TCP When TCP connection discharge.Therefore session midway, which terminates Business Stream, to cause TCP connection to be interrupted, so as to cause service disconnection.

Specifically, PCRF can detect control (Application Detection Control, ADC) rule according to application Then generate above-mentioned event subscription requests, in order to subscribed to from STC first Business Stream event beginning and end.In addition, PCRF can also be directed to is carried out event subscription by the UE that overload influences, and the present invention does not limit this.

STC is detecting that the current sessions of the first Business Stream terminate or when new session start, should by response message Event notifies PCRF.PCRF can be that the first Business Stream determines new service path when receiving the response message of STC transmissions Mark.It should be understood that PCRF can also prepare to send newly to STC after detecting the first business enabler overload to PCRF Any time in period before service path mark is that the first Business Stream determines new service path mark, and the present invention is to this It does not limit.

Optionally, as one embodiment, the mark of the second service path is determined for the first Business Stream, including：According to The business routing rule and each business that the mark of one business enabler, the type of service of the first Business Stream, PCRF prestore are enabled Current at least one of the load condition of device determines the second service path by the second business enabler.

Determine that new service path identifies (i.e. the mark of the second service path) for the first Business Stream, specifically, PCRF can With the business routing rule that is prestored according to the mark, the type of service of the first Business Stream, PCRF of the first business enabler and each Current at least one of the load condition of business enabler determines the second service path by the second business enabler.

As a simplest embodiment, PCRF can replace with the first business enabler in the first service path Second business enabler forms the second service path.Second business enabler can be with the first business enabler positioned at same The different business enabler of a SE Pool, i.e. function are identical, individual is different.In addition, the second business enabler can also be PCRF It is determined according to the load condition of each business enabler, such as determination is worked as in the SE Pool belonging to the first business enabler The minimum business enabler of preceding load is the second business enabler.It should be understood that PCRF can also be according to business routing rule again It determines the mark of the second service path, and meets condition of second service path without the first business enabler.

Optionally, as one embodiment, the mark of the second service path is determined for the first Business Stream, including：It is sent out to SPC The request message of the mark for asking the second service path is sent, so that SPC is according to the mark of the first business enabler, first The type of service of Business Stream and current at least one of the load condition of each business enabler, determining makes by the second business Second service path of energy device；Receive the mark for the second service path that SPC is sent.

When carrying out overload detection to business enabler by SPC, due to there is the SE ID of the first business enabler at SPC, because This new service path mark can be determined by SPC.Specifically, PCRF is identified in the first service path for receiving SPC transmissions, And after the first Business Stream is determined, request message can be sent to SPC, be identified with the service path that please be look for novelty.Request message The mark of the first service path or the mark of the corresponding UE of the first Business Stream can be carried.In the request for receiving PCRF transmissions After message, SPC is that the first Business Stream determines that new service path identifies (i.e. the mark of the second service path), the second service path The determination method of mark is referred to above-described embodiment, and details are not described herein again.SPC after the mark for determining the second service path, PCRF is sent it to, in order to which the mark of the second service path is sent to STC by PCRF, the second service path is applied by STC Mark.

Optionally, further include before sending event subscription requests to STC as one embodiment：SPC is received according to the In the mark of one business enabler, the type of service of the first Business Stream and the current load condition of each business enabler at least A kind of determination and the mark of the second service path sent, wherein the second service path passes through the second business enabler.

Specifically, SPC can be according to the mark of the first business enabler, the type of service of the first Business Stream and each business Current at least one of the load condition of enabler determines the second service path by the second business enabler.As one The first business enabler in first service path can be replaced with the second business enabler by a simplest embodiment, SPC, Form the second service path.Second business enabler can be the difference for being located at the same SE Pool with the first business enabler Business enabler, i.e. function are identical, individual is different.In addition, the second business enabler can also be SPC enabled according to each business What the load condition of device determined, such as determine the minimum business of present load in SE Pool belonging to the first business enabler Enabler is the second business enabler.It should be understood that SPC can also redefine second according to the PCRF business routing rules sent The mark of service path, and meet condition of second service path without the first business enabler.

Optionally, as one embodiment, PCRF entities send the mark of the second service path to service stream classification device STC Before, further include：The business routing to be prestored according to the mark, the type of service of the first Business Stream, PCRF of the first business enabler Current at least one of the load condition of regular and each business enabler determines the second industry by the second business enabler Business path.

It, can after PCRF detects the first business enabler overload, and after determining the first Business Stream influenced by overload Directly to determine the mark of the second service path for the first Business Stream, the mark of second service path is sent at STC, by STC voluntarily determines the mark of the second service path of suitable applications according to the session status of the first Business Stream.

The embodiment of the present invention by PCRF determine by the first business enabler overload influence the first Business Stream, determine or After person obtains the second service path without the first business enabler, the mark of second service path is sent to STC. So that STC is when the current sessions of the first Business Stream terminate or the new session of the first Business Stream starts, by the second service path Mark distribute to the first Business Stream.To which the first Business Stream can change path in session intermittent periods, according to the second business Path flows through the second business enabler, and avoid continuing through the first business enabler is influenced by overload, and aggravates the of overload The load of one business enabler.That is, can ensure industry while mitigating load pressure for the business enabler of overload Phenomena such as continuity of business is not in packet loss, service disruption improves user experience.

Fig. 3 is the interaction figure of the service routing method of one embodiment of the invention.Embodiment shown in Fig. 3 can conduct One or more specific implementation modes of embodiment in Fig. 2.The embodiment is mainly executed by PCRF entities and STC, by PCRF Overload detection is carried out to business enabler, and determines that new service path identifies by PCRF.Specifically：

S301, PCRF entity carry out overload detection to business enabler.

First, PCRF entities can carry out overload detection to business enabler, such as occur in the first business enabler When load, PCRF can know the mark (SE ID) of the first business enabler.Specifically, PCRF itself can not perception service it is enabled The state of device, the mark of the first business enabler can be sent to after SE Monitor detect the first business enabler overload PCRF's, that is to say, that PCRF can be PCRF for overloaded traffic enabler for the overload detection process of business enabler Mark acquisition process.In addition, PCRF can also obtain the first of overload by sending request message to SE Monitor The mark of business enabler.

It should be understood that the mark of overloaded traffic enabler can also be and be sent to PCRF's by SE Manager.Specifically, The mark of first business enabler can be IP address or URL of the first business enabler etc., and the present invention does not limit this.

S302, PCRF determine the first Business Stream influenced by overload.

Due to initially to Business Stream carry out load distribution PCRF equipment or STC for UE Business Stream distribute service path When mark, the correspondence being stored between the mark of service path and the mark of business enabler, therefore, when the first business makes When energy device is detected overload, PCRF can determine the first of the UE influenced by overload according to the mark of the first business enabler Business Stream.

Specifically, PCRF first can according to the mark of the mark of the first business enabler and above-mentioned service path and Correspondence between the mark of business enabler determines the mark of the first service path by the first business enabler.It answers Understand, the service path by the first business enabler there can be more than one, the first business is flowed through according to these service paths The Business Stream of enabler is all the Business Stream influenced by overload.PCRF determines the first business according to the mark of the first service path The mark of stream, the first Business Stream can be that PCRF is randomly selected in the multiple Business Streams for being assigned the mark of the first service path 's.

It should also be understood that operations of the PCRF when carrying out load and reassigning for Business Stream for ease of description, the above process Using the first Business Stream as description main body, actually PCRF carry out load reassign when can be repeatedly randomly select by The Business Stream that carrying influences carries out load reassignment, can also be that random batch selection is born by the Business Stream that overload influences Load-carrying distribution, the present invention does not limit this.

In addition, PCRF is determined after the mark of the first service path of the first business enabler, it can also determine and be divided The ID of the corresponding UE of Business Stream of mark with the first service path, subsequent operation are carried out for the Business Stream of the UE, which can There can be multiple Business Streams all to pass through the first business enabler.That is, PCRF the SE to overload carry out load reassign when, It can carry out, can also be carried out by granularity of UE, the present invention does not limit this by granularity of Business Stream.

S303, PCRF send event subscription requests to STC.

S304, STC respond the event subscription requests of PCRF.

STC is detecting that the current sessions of the first Business Stream terminate or when new session start, which is notified PCRF. Specifically, after STC receives the event subscription requests in step S303, start to carry out event result inspection for the first Business Stream It surveys, if the first Business Stream currently has session carrying out, STC terminates current sessions when detecting the conversation end Event result notify PCRF.If the first Business Stream is being carried out currently without session, STC is in the number for detecting new session When arriving according to message, i.e., when new session starts, the event result that new session is started notifies PCRF.

Specifically, STC can send the command code request (Command-Code for being used to indicate above-mentioned event result to PCRF Request, CCR) message to PCRF notifies that the current sessions of the first Business Stream terminate or new session start.

S305, PCRF are that the first Business Stream determines new service path mark

It should be understood that step S305 can execute in any time between step S302- steps S306, the present invention to this simultaneously It does not limit.

When step S305 is executed after step S304, PCRF is the first industry after the event result for receiving STC transmissions Business stream determines new service path mark (i.e. the mark of the second service path), and specifically, PCRF can make according to the first business Can the mark of device, the type of service of the first Business Stream, the PCRF business routing rule that prestores and each business enabler it is current At least one of load condition determines the second service path by the second business enabler.

Step S305 can also be executed after step S302, that is to say, that PCRF is determining the UE influenced by overload The first Business Stream after, can determine the mark of the second service path, and the mark of the second service path can be delayed There are the locals PCRF etc. are to be called.

S306, PCRF send new service path mark to STC

When PCRF receives the event result of subscription, i.e. STC to PCRF notify the current sessions of the first Business Stream terminate or The new session start of person, and when PCRF has determined that the mark of the second service path, PCRF can initiate business detection function The mark of second service path is sent to by (Traffic Detection Function, TDF) with triggering session modification process STC。

S307, STC are identified using new service path

After STC receives the mark of the second service path of PCRF transmissions, the new meeting of the first Business Stream is received in STC When the data message of words, the second service path mark is stamped for first Business Stream so that the new session of the first Business Stream Data message flows through the second business enabler according to the second service path, and the first original business is replaced by the second business enabler Enabler handles new session.Specifically, STC can be incited somebody to action in the data message of new session for receiving the first Business Stream Original the first service path mark is changed to new the second service path mark to carry out the new session of the first Business Stream Encapsulation.In addition, STC after the mark for applying the second service path, can send response message to PCRF.

Fig. 4 is the interaction figure of the service routing method of one embodiment of the invention.Embodiment shown in Fig. 4 can conduct One or more specific implementation modes of embodiment in Fig. 2.The embodiment is mainly executed by PCRF entities and STC, by PCRF Overload detection is carried out to business enabler, and determines that new service path identifies by PCRF.Specifically：

S401, PCRF entity carry out overload detection to business enabler.

First, PCRF entities can carry out overload detection to carrying out business enabler, such as be sent out in the first business enabler When raw overload, PCRF can know the mark (SE ID) of the first business enabler.Specifically, PCRF itself can not perception service The state of enabler, the mark of the first business enabler can be sent out after SE Monitor detect the first business enabler overload Give PCRF's, that is to say, that for PCRF for the overload detection process of business enabler, can be PCRF makes overloaded traffic The acquisition process of the mark of energy device.In addition, PCRF can also obtain overload by sending request message to SE Monitor The mark of first business enabler.

S402, PCRF determine the first Business Stream influenced by overload.

It should also be understood that operations of the PCRF when carrying out load and reassigning for Business Stream for ease of description, the above process Using single first Business Stream as description main body, actually PCRF carry out load reassign when can be repeatedly randomly select by The Business Stream influenced to overload carries out load reassignment, can also be random batch choose the Business Stream influenced by overload come into Row load reassigns, and the present invention does not limit this.

S403, PCRF are determining and new service path mark is issued to STC

PCRF can be that the first Business Stream determines new industry after the first Business Stream for determining the UE influenced by overload It is engaged in ID of trace route path (i.e. the mark of the second service path), specifically, PCRF can be according to the mark of the first business enabler, first In the current load condition of business routing rule and each business enabler that the type of service of Business Stream, PCRF prestore at least One kind determining the second service path by the second business enabler.

PCRF can directly be handed down to STC after the mark for determining the second service path, determine when to use by STC.

It should be understood that when PCRF sends the mark of the second service path to STC, can also by the mark of the first service path or The mark of the corresponding UE of the first Business Stream of person is sent to STC, in order to which STC knows the application pair of the mark of the second service path As.

S404, STC are identified according to the session status of UE using new service path.

STC determines the current sessions shape of the first Business Stream when receiving the mark of the second service path of PCRF transmissions State stamps the mark of the second service path for the first Business Stream when STC detects the conversation end or new session start Know so that the data message of the new session of the first Business Stream flows through the second business enabler according to the second service path, by the Two business enablers replace the first original business enabler to handle new session.Specifically, STC is receiving the first Business Stream New session data message when, the first original service path can be identified and be changed to new the second service path and identify It is packaged come the new session to the first Business Stream.

Wherein, the first Business Stream of UE has specific type of service (i.e. function type), for completing a certain item task Or request, first Business Stream can be made of at least one session, that is to say, that multiple sessions of the first Business Stream of composition Type of service having the same, and for completing a certain item task or request, when each session start establish UE and server it Between TCP connection, the data flow that session includes is divided into the data message of suitable length to transmit, works as conversation end by TCP When TCP connection discharge.Therefore session midway, which terminates Business Stream, to cause TCP connection to be interrupted, so as to cause service disconnection.In addition, STC can send response message after the mark for applying the second service path to PCRF.

Fig. 5 is the interaction figure of the service routing method of one embodiment of the invention.Embodiment shown in fig. 5 can conduct One or more specific implementation modes of embodiment in Fig. 2.The embodiment is mainly executed by PCRF entities, STC and SPC, by SPC carries out overload detection to business enabler, and determines that new service path identifies by SPC.Specifically：

S501, SPC carry out overload detection to business enabler.

First, SPC can carry out the overload detection of business enabler, such as when the first business enabler overloads, SPC can detect the mark (SE ID) of the first business enabler.Specifically, SPC can pass through SE Monitor/SE Manager detects that the first business enabler overloads, that is to say, that SPC, can be with for the overload detection process of business enabler It is acquisition process of the SPC for the mark of overloaded traffic enabler.In addition, SPC can also be by SE Monitor/SE Manager sends request message to obtain the mark of the first business enabler of overload.

It should be understood that the SPC for being integrated with business enabler detection function can also voluntarily carry out overload detection.Specifically, The mark of one business enabler can be IP address or URL of the first business enabler etc., and the present invention does not limit this.

S502, SPC obtain identifying for the service path influenced by overload

After SPC detects the first business enabler overload, it can be determined by the according to the mark of the first business enabler The mark of first service path of one business enabler.Specifically, since the PCRF for initially carrying out load distribution to Business Stream is set Standby or STC can pass through the mark of service path and the service path when distributing business ID of trace route path for the Business Stream of UE Correspondence between the mark of business enabler is sent to SPC together, so PCRF equipment, STC or SPC can be by upper State correspondence and determine that the mark of the first business enabler corresponds to which service path mark, that is, determine which service path by The influence of overload is arrived.Later, the mark of the first service path is sent to PCRF by SPC.

S503, PCRF determine the first Business Stream influenced by overload.

It should be understood that PCRF can be carried out when the SE to overload carries out load reassignment by granularity of Business Stream, it can also It is carried out by granularity of UE, the present invention does not limit this.

S504, PCRF send event subscription requests to STC.

PCRF entities can send to STC after the first Business Stream influenced by overload is determined and be directed to first industry It is engaged in the event subscription requests of stream, to ask STC detecting that the current sessions of the first Business Stream terminate or when new session start, Respond the event subscription requests.Specifically, PCRF can generate above-mentioned event subscription requests according to ADC rules, in order to from The beginning and end of the event of the first Business Stream is subscribed at STC.It is carried out by the UE that overload influences in addition, PCRF can also be directed to Event subscription, the present invention do not limit this.

S505, STC respond the event subscription requests of PCRF.

STC is detecting that the current sessions of the first Business Stream terminate or when new session start, which is notified PCRF. Specifically, after STC receives the event subscription requests in step S303, start to carry out event result inspection for the first Business Stream It surveys, if the first Business Stream currently has session carrying out, STC terminates current sessions when detecting the conversation end Event result notify PCRF.If the first Business Stream is being carried out currently without session, STC is in the number for detecting new session When arriving according to message, i.e., when new session starts, the event result that new session is started notifies PCRF.Specifically, STC can be to PCRF transmission be used to indicate the CCR message of above-mentioned event result come to PCRF notify the current sessions of the first Business Stream terminate or New session start.

The service path mark that S506, PCRF please look for novelty to SPC.

It should be understood that step S506 can execute in any time between step S503- steps S507, the present invention to this simultaneously It does not limit.

PCRF can send request message, with the service path mark that please be looked for novelty after determining the first Business Stream to SPC Know.Request message can carry the mark of the first service path or the mark of the corresponding UE of the first Business Stream.

S507, SPC are determining and new service path mark is sent to PCRF

After the request message for receiving PCRF transmissions, SPC is that the first Business Stream determines new service path mark (i.e. the The mark of two service paths), specifically, mark, the type of service of the first Business Stream that SPC can be according to the first business enabler Current at least one of the load condition with each business enabler determines the second business road by the second business enabler Diameter.

As a simplest embodiment, SPC can replace with the first business enabler in the first service path Second business enabler forms the second service path.Second business enabler can be with the first business enabler positioned at same The different business enabler of a SE Pool, i.e. function are identical, individual is different.In addition, the second business enabler can also be SPC It is determined according to the load condition of each business enabler, such as determination is worked as in the SE Pool belonging to the first business enabler The minimum business enabler of preceding load is the second business enabler.It should be understood that the business that SPC can also be sent according to PCRF is route Rule redefines the mark of the second service path, and meets item of second service path without the first business enabler Part.

SPC sends it to PCRF after the mark for determining the second service path, in order to which PCRF is by the second service path Mark be sent to STC.

S508, STC are identified using new service path

Fig. 6 is the interaction figure of the service routing method of one embodiment of the invention.Embodiment shown in fig. 6 can conduct One or more specific implementation modes of embodiment in Fig. 2.The embodiment is mainly executed by PCRF entities, STC and SPC, by SPC carries out overload detection to business enabler, and determines that new service path identifies by SPC.Specifically：

S601, SPC carry out overload detection to business enabler.

S602, SPC determination are simultaneously identified and new service path mark to PCRF transmissions by the service path that overload influences

After SPC detects the first business enabler overload, it can be determined by the according to the mark of the first business enabler The mark of first service path of one business enabler.Specifically, since the PCRF for initially carrying out load distribution to Business Stream is set Standby or STC can pass through the mark of service path and the service path when distributing business ID of trace route path for the Business Stream of UE Correspondence between the mark of business enabler is sent to SPC together, so PCRF equipment, STC or SPC can be by upper State correspondence and determine that the mark of the first business enabler corresponds to which service path mark, that is, determine which service path by The influence of overload is arrived.

Meanwhile SPC can be true according to the mark and the current load condition of each business enabler of the first business enabler The mark of fixed second service path.Specifically, the first business enabler in the first service path can be replaced with second by SPC Business enabler forms the second service path.Second business enabler can be located at the same SE with the first business enabler The different business enabler of Pool, i.e. function are identical, individual is different.In addition, the second business enabler can also be SPC according to each What the load condition of a business enabler determined, such as determine present load in SE Pool belonging to the first business enabler Minimum business enabler is the second business enabler.It should be understood that the business routing rule weight that SPC can also be sent according to PCRF The new mark for determining the second service path, and meet condition of second service path without the first business enabler.

Later, the mark of the mark of the first service path and the second service path can be sent to PCRF by SPC.

S603, PCRF determine the first Business Stream influenced by overload.

PCRF, can be with after the mark for receiving the mark of the first service path of SPC transmissions and the second service path It is local for subsequently using that the mark of second service path is buffered in PCRF, and the is determined according to the mark of the first service path One Business Stream, it should be appreciated that the service path by the first business enabler can have more than one, according to these service path streams Business Stream through the first business enabler is all the Business Stream influenced by overload.PCRF is true according to the mark of the first service path Fixed the first Business Stream influenced by overload, the first Business Stream can be that PCRF is being assigned the more of the mark of the first service path It is randomly selected in a Business Stream.It should be understood that PCRF the SE to overload carry out load reassign when, can be using Business Stream as grain Degree carries out, and can also be carried out by granularity of UE, the present invention does not limit this.

S604, PCRF send event subscription requests to STC.

S605, STC respond the event subscription requests of PCRF.

S606, PCRF send new service path mark to STC.

After the event result for receiving STC transmissions, the mark for the second service path that PCRF can cache step S603 Knowledge is sent to STC.

S607, STC are identified using new service path

Fig. 7 is the flow chart of the service routing method of one embodiment of the invention.The method of Fig. 7 is by service stream classification device STC is executed.

S701, service stream classification device STC determine the first Business Stream influenced by overload, wherein the first Business Stream be according to First service path flows through the Business Stream of the first business enabler of overload.

S702, STC determine the current sessions state of the first Business Stream.

S703, STC are when the current sessions of the first Business Stream terminate or the new session of the first Business Stream starts, by second The mark of service path distributes to the first Business Stream, so that the new session of the first Business Stream flows through according to the second service path Two business enablers, wherein the first business enabler is different with the second business enabler and function type is identical.

It should be understood that the first Business Stream of UE has specific type of service (i.e. function type), appoint for completing a certain item Business or request, first Business Stream can be made of at least one session, that is to say, that multiple sessions of the first Business Stream of composition Also type of service having the same, and for completing a certain item task or request, when each session start, establish UE and server Between TCP connection, the data flow that session includes is divided into the data message of suitable length to transmit by TCP, when session knot TCP connection discharges when beam.Therefore session midway, which terminates Business Stream, to cause TCP connection to be interrupted, so as to cause service disconnection.

Optionally, as one embodiment, STC determines the first Business Stream influenced by overload, including：Obtain the first industry The mark in business path；The first Business Stream is determined in being assigned the Business Stream of mark of the first service path.

STC can obtain the mark of the first service path from PCRF or SPC, can also locally obtain the first industry in STC The mark in business path.When wherein carrying out overload detection by PCRF, then STC can obtain the first service path mark from PCRF； When carrying out overload detection by SPC, then STC can obtain the first service path mark from SPC；When carrying out overload detection by STC, Then STC can voluntarily determine the mark of the first service path.

After the mark for getting the first service path, STC can determine the first industry according to the mark of the first service path Business stream, specifically, the service path by the first business enabler can have more than one, and the is flowed through according to these service paths The Business Stream of one business enabler is all the Business Stream influenced by overload.STC according to the mark of the first service path determine by The first Business Stream influenced to overload, the first Business Stream can be STC in the multiple industry for being assigned the mark of the first service path It is randomly selected in business stream.

Optionally, as one embodiment, the mark of the first service path is determined, including：Obtain the first business of overload The mark of enabler, and the first service path for passing through the first business enabler is obtained according to the mark of the first business enabler Mark；Or the mark for the first service path that service path controller SPC is sent is received, wherein the mark of the first service path It is obtained according to the mark of the first business enabler of overload by SPC；Or it receives strategy and is sent out with charging rule functions PCRF entities The mark of the first service path sent, wherein the mark of the first service path is enabled by PCRF entities according to the first business of overload The mark of device obtains.

Wherein, in the embodiment that STC carries out overload detection, the mark of the first business enabler can be SE Monitor It is sent to STC's after detecting the first business enabler overload, that is to say, that overload detection mistakes of the STC for business enabler Journey can be acquisition process of the STC for the mark of overloaded traffic enabler.In addition, STC can also be by SE Monitor/SE Manager send request message to obtain the mark of the first business enabler of overload.It should be understood that overload industry The mark of business enabler can also be is sent to STC's by SE Manager.STC can be according to the mark of the first business enabler Know, the correspondence between the mark and the mark of business enabler of service path, determines the by the first business enabler The mark of one service path.It should be understood that can have more than one by the service path of the first business enabler, according to these industry The Business Stream that business path flows through the first business enabler is all the Business Stream influenced by overload.

In the embodiment that SPC carries out overload detection, the enabled mark of the first business can be SE Monitor/SE Manager is sent to SPC's after detecting the first business enabler overload, that is to say, that overloads of the SPC for business enabler Detection process can be acquisition process of the SPC for the mark of overloaded traffic enabler.In addition, SPC can also be by SE Monitor/SE Manager send request message to obtain the mark of the first business enabler of overload.It should be understood that being integrated with The SPC of business enabler detection function can also voluntarily carry out overload detection.

After SPC detects the first business enabler overload, it can be determined by the according to the mark of the first business enabler The mark of first service path of one business enabler, and the mark of the first service path is sent to STC.Specifically, by In initially to Business Stream carry out load distribution PCRF equipment or STC for UE Business Stream distribute business ID of trace route path when, meeting Correspondence between the mark for the business enabler that the mark of service path and the service path are passed through is sent to together SPC, so PCRF equipment, STC or SPC can determine that the mark of the first business enabler corresponds to by above-mentioned correspondence Which service path mark determines which service path receives the influence of overload.

In the embodiment that PCRF carries out overload detection, the mark of the first business enabler can be SE Monitor detections To the first business enabler overload after be sent to PCRF's, that is to say, that PCRF for business enabler overload detection process, Can be acquisition process of the PCRF for the mark of overloaded traffic enabler.In addition, PCRF can also be by SE Monitor/ SE Manager send request message to obtain the mark of the first business enabler of overload.It should be understood that overloaded traffic enabler Mark can also be and be sent to PCRF's by SE Manager.PCRF can be according to the mark of the first business enabler, industry Correspondence between the mark and the mark of business enabler in path of being engaged in, determines the first business by the first business enabler The mark in path.It should be understood that can have more than one by the service path of the first business enabler, according to these service paths The Business Stream for flowing through the first business enabler is all the Business Stream influenced by overload.

Optionally, as one embodiment, before STC determines the current sessions state of the first Business Stream, further include：It receives PCRF send the second service path mark, wherein the mark of the second service path by PCRF according to the first business enabler The current load shape of business routing rule and each business enabler that mark, the type of service of the first Business Stream, PCRF prestore At least one of state determines that the second service path passes through the second business enabler.

In the embodiment that PCRF carries out overload detection, PCRF is determining the first business by the first business enabler After the mark in path, it can determine that the mark of the first Business Stream, the first Business Stream can be according to the mark of the first service path What PCRF was randomly selected in the multiple Business Streams for being assigned the mark of the first service path.

PCRF can be that the first Business Stream determines new industry after the first Business Stream for determining the UE influenced by overload It is engaged in ID of trace route path (i.e. the mark of the second service path), specifically, PCRF can be according to the mark of the first business enabler, first In the current load condition of business routing rule and each business enabler that the type of service of Business Stream, PCRF prestore at least One kind determining the second service path by the second business enabler.As a simplest embodiment, PCRF can be by The first business enabler in one service path replaces with the second business enabler, forms the second service path.Second business makes Can device can be the different business enabler for being located at the same SE Pool with the first business enabler, i.e., function is identical, individual phase It is different.It is determined according to the load condition of each business enabler in addition, the second business enabler can also be PCRF, such as Determine that the minimum business enabler of present load is the second business enabler in SE Pool belonging to one business enabler.Ying Li Solution, PCRF can also redefine the mark of the second service path according to business routing rule, and meet the second service path Without the condition of the first business enabler.PCRF can directly be handed down to STC after the mark for determining the second service path, Determine when to use by STC.

Optionally, as one embodiment, receive the first service path that service path controller SPC is sent mark it Afterwards, further include：The request message that the mark for asking the second service path is sent to SPC, so that SPC is according to the first business The mark of enabler, the type of service of the first Business Stream and current at least one of the load condition of each business enabler, Determine the second service path by the second business enabler；Receive the mark for the second service path that SPC is sent.

SPC carry out overload detection embodiment in, STC receive SPC transmission the first service path mark after, STC determines the current sessions state of the first Business Stream, and after the current sessions of the first Business Stream terminate or new session is opened Before beginning, STC sends request message to SPC, is identified with the service path that please be looked for novelty.Request message can carry the first business The mark of the mark in path or the corresponding UE of the first Business Stream.After the request message for receiving STC transmissions, SPC is the first industry Business stream determines new service path mark (i.e. the mark of the second service path), and sends it to STC.

Optionally, as one embodiment, before STC determines the current sessions state of the first Business Stream, further include：It receives SPC send the second service path mark, wherein the mark of the second service path by SPC according to the mark of the first business enabler Know, at least one of the type of service of the first Business Stream and the current load condition of each business enabler determine, the second industry Path be engaged in by the second business enabler.

In the embodiment that SPC carries out overload detection, SPC can be in the first business enabler for determining overload, and determines When first service path identifies, determines and identified by the second service path of the second business enabler, and by the first service path Mark and the second service path mark are all sent to STC.Wherein SPC determines that the second service path mark is referred to above-mentioned implementation Example, details are not described herein again.

The embodiment of the present invention by STC determine by the first business enabler overload influence the first Business Stream, determine or After person obtains the second service path without the first business enabler, terminate or in the current sessions of the first Business Stream When the new session of one Business Stream starts, the mark of the second service path is distributed into the first Business Stream.To which the first Business Stream can To change path in session intermittent periods, the second business enabler is flowed through according to the second service path, avoids continuing through first Business enabler is influenced by overload, and aggravates the load of the first business enabler of overload.That is, in the industry for overload Phenomena such as continuity that can ensure business while business enabler mitigation load pressure is not in packet loss, service disruption, carries High user experience.

Fig. 8 is the flow chart of the service routing method of one embodiment of the invention.Embodiment shown in Fig. 8 can conduct One or more specific implementation modes of embodiment in Fig. 7.The embodiment is mainly executed by STC, by STC to business enabler Overload detection is carried out, and determines that new service path identifies by STC.Specifically：

S801, STC carry out overload detection to business enabler.

First, STC can carry out the overload detection of business enabler, such as when the first business enabler overloads, STC can detect the mark (SE ID) of the first business enabler.Specifically, STC itself can not perception service enabler shape State, the mark of the first business enabler can be sent to STC after SE Monitor detect the first business enabler overload, That is, overload detection processes of the STC for business enabler, can be marks of the STC for overloaded traffic enabler Acquisition process.In addition, STC can also obtain the of overload by sending request message to SE Monitor/SE Manager The mark of one business enabler.It should be understood that the mark of overloaded traffic enabler can also be is sent to STC by SE Manager 's.Specifically, the mark of the first business enabler can be IP address or URL of the first business enabler etc., and the present invention is to this It does not limit.

S802, STC determine the first Business Stream influenced by overload.

Due to initially to Business Stream carry out load distribution PCRF equipment or STC for UE Business Stream distribute service path When mark, the correspondence having between the mark of service path and the mark of business enabler is retained, therefore, when the first business makes When energy device is detected overload, STC can determine the first of the UE influenced by overload according to the mark of the first business enabler Business Stream.

Specifically, STC first can be according to the mark of the first business enabler and the mark and industry of above-mentioned service path Correspondence between the mark of enabler of being engaged in, determines the mark of the first service path by the first business enabler.Ying Li Solution, the service path by the first business enabler can have more than one, and flowing through the first business according to these service paths makes The Business Stream of energy device is all the Business Stream influenced by overload.STC is determined according to the mark of the first service path by overload shadow The first loud Business Stream, the first Business Stream can be STC in the multiple Business Streams for being assigned the mark of the first service path with What machine was chosen.

It should also be understood that the STC of operations to(for) Business Stream when carrying out load and reassigning for ease of description, the above process with Single first Business Stream can repeatedly randomly select first when carrying out load reassignment as description main body, actually STC Business Stream carries out load reassignment, can also be that random batch chooses Business Stream to carry out load reassignment, the present invention is to this It does not limit.

In addition, STC is determined after the mark of the first service path of the first business enabler, can also determine assigned The corresponding UE of Business Stream of the mark of first service path, subsequent operation are carried out for the Business Stream of the UE, which may have more A Business Stream all passes through the first business enabler.That is, STC is when the SE to overload carries out load and reassigns, it can be with Business Stream carries out for granularity, can also be carried out by granularity of UE, the present invention does not limit this.

S803, STC determine new service path mark

STC can be that the first Business Stream determines new industry after the first Business Stream for determining the UE influenced by overload It is engaged in ID of trace route path (i.e. the mark of the second service path), specifically, STC can be according to the mark of the first business enabler, first In the current load condition of business routing rule and each business enabler that the type of service of Business Stream, PCRF prestore at least One kind determining the second service path by the second business enabler.

As a simplest embodiment, STC can replace with the first business enabler in the first service path Second business enabler forms the second service path.Second business enabler can be with the first business enabler positioned at same The different business enabler of a SE Pool, i.e. function are identical, individual is different.In addition, the second business enabler can also be STC It is determined according to the load condition of each business enabler, such as determination is worked as in the SE Pool belonging to the first business enabler The minimum business enabler of preceding load is the second business enabler.It should be understood that STC can also be again true according to business routing rule The mark of fixed second service path, and meet condition of second service path without the first business enabler.

S804, STC are identified according to the session status of UE using new service path.

STC determines the current sessions state of the first Business Stream, and the conversation end or new session start are detected in STC When, stamp the mark of the second service path for the first Business Stream so that the data message of the new session of the first Business Stream according to Second service path flows through the second business enabler, replaces the first original business enabler to handle by the second business enabler new Session.Specifically, STC, can be by the first original industry in the data message of new session for receiving the first Business Stream Business ID of trace route path is changed to new the second service path mark and is packaged come the new session to the first Business Stream.

Fig. 9 is the interaction figure of the service routing method of one embodiment of the invention.Embodiment shown in Fig. 9 can conduct One or more specific implementation modes of embodiment in Fig. 7.The embodiment is mainly executed by STC and SPC, by SPC to business Enabler carries out overload detection, and determines that new service path identifies by SPC.Specifically：

S901, SPC carry out overload detection to business enabler.

S902, SPC determine identifying for the service path influenced by overload.

After SPC detects the first business enabler overload, it can be determined by the according to the mark of the first business enabler The mark of first service path of one business enabler.Specifically, since the PCRF for initially carrying out load distribution to Business Stream is set Standby or STC can pass through the mark of service path and the service path when distributing business ID of trace route path for the Business Stream of UE Correspondence between the mark of business enabler is sent to SPC together, so PCRF equipment, STC or SPC can be by upper State correspondence and determine that the mark of the first business enabler corresponds to which service path mark, that is, determine which service path by The influence of overload is arrived.Later, the mark of the first service path is sent to STC by SPC.

S903, STC determine the first Business Stream influenced by overload.

STC can determine the first Business Stream according to the mark of the first service path first, it should be appreciated that make by the first business Can the service path of device can have more than one, the Business Stream that the first business enabler is flowed through according to these service paths be all by The Business Stream influenced to overload.The first Business Stream that STC is influenced according to the mark determination of the first service path by overload, first Business Stream can be that STC is randomly selected in the multiple Business Streams for being assigned the mark of the first service path.

It should be understood that STC can be carried out when the SE to overload carries out load reassignment by granularity of Business Stream, it can also It is carried out by granularity of UE, the present invention does not limit this.

S904, STC are identified according to the service path that session status please look for novelty to SPC.

STC determines the current sessions state of the first Business Stream, after the current sessions of the first Business Stream terminate, Huo Zhexin Session start before, STC sends request message to SPC, is identified with the service path that please look for novelty.Request message can carry The mark of the mark of first service path or the corresponding UE of the first Business Stream.

S905, SPC are determining and send new service path mark

After the request message for receiving STC transmissions, SPC is that the first Business Stream determines new service path mark (i.e. the The mark of two service paths), specifically, mark, the type of service of the first Business Stream that SPC can be according to the first business enabler Current at least one of the load condition with each business enabler determines the second business road by the second business enabler Diameter.

As a simplest embodiment, SPC can replace with the first business enabler in the first service path Second business enabler forms the second service path.Second business enabler can be with the first business enabler positioned at same The different business enabler of a SE Pool, i.e. function are identical, individual is different.In addition, the second business enabler can also be SPC It is determined according to the load condition of each business enabler, such as determination is worked as in the SE Pool belonging to the first business enabler The minimum business enabler of preceding load is the second business enabler.It should be understood that the business that SPC can also be sent according to PCRF is route Rule redefines the mark of the second service path, and meets item of second service path without the first business enabler Part.SPC sends it to STC after the mark for determining the second service path.

S906, STC are identified using new service path

After STC receives the mark of the second service path of SPC transmissions, the new meeting of the first Business Stream is received in STC When the data message of words, the second service path mark is stamped for first Business Stream so that the new session of the first Business Stream Data message flows through the second business enabler according to the second service path, and the first original business is replaced by the second business enabler Enabler handles new session.Specifically, STC can be incited somebody to action in the data message of new session for receiving the first Business Stream Original the first service path mark is changed to new the second service path mark to carry out the new session of the first Business Stream Encapsulation.

In addition, STC after the mark for applying the second service path, can send response message to SPC.

Figure 10 is the interaction figure of the service routing method of one embodiment of the invention.Embodiment shown in Fig. 10 can be made For one or more specific implementation modes of embodiment in Fig. 7.The embodiment is mainly executed by STC and SPC, by SPC to industry Business enabler carries out overload detection, and determines that new service path identifies by SPC.Specifically：

S1001, SPC carry out overload detection to business enabler.

S1002, SPC determination are simultaneously identified and new service path mark to STC transmissions by the service path that overload influences.

Later, the mark of the mark of the first service path and the second service path can be sent to STC by SPC.

S1003, STC determine the first Business Stream influenced by overload.

STC can be incited somebody to action after the mark for receiving the mark of the first service path of SPC transmissions and the second service path The mark of second service path is buffered in STC locally for subsequently using, and determines first according to the mark of the first service path Business Stream, it should be appreciated that the service path by the first business enabler can have more than one, be flowed through according to these service paths The Business Stream of first business enabler is all the Business Stream influenced by overload.STC is determined according to the mark of the first service path By the first Business Stream that overload influences, the first Business Stream can be that STC is being assigned the multiple of the mark of the first service path It is randomly selected in Business Stream.It should be understood that STC the SE to overload carry out load reassign when, can be using Business Stream as granularity It carries out, can also be carried out by granularity of UE, the present invention does not limit this.

S1004, STC are identified according to session status using new service path.

STC determines the current sessions state of the first Business Stream, and the conversation end or new session start are detected in STC When, the mark for the second service path that STC in step S1002 is cached is stamped for the first Business Stream so that the first Business Stream it is new The data message of session flow through the second business enabler according to the second service path, replaced by the second business enabler original First business enabler handles new session.Specifically, data messages of the STC in the new session for receiving the first Business Stream When, the first original service path can be identified and be changed to new second service path mark and come to the new of the first Business Stream Session is packaged.

Figure 11 is the schematic block diagram of the service routing apparatus (PCRF) of one embodiment of the invention.Shown in Figure 11 strategy with Billing function PCRF entities 1100 include processing unit 1101 and transmission unit 1102.

Processing unit 1101 determines the first Business Stream influenced by overload, wherein the first Business Stream is according to the first business Path flows through the Business Stream of the first business enabler of overload.Transmission unit 1102 sends the second industry to service stream classification device STC It is engaged in the mark in path, so that STC is when the current sessions of the first Business Stream terminate or the new session of the first Business Stream starts, The mark of second service path is distributed into the first Business Stream so that the new session of the first Business Stream is according to the second service path stream Through the second business enabler, wherein the first business enabler is different with the second business enabler and function type is identical.

It should be understood that the method that PCRF entities 1100 can execute any embodiment in above-mentioned Fig. 2-Fig. 6.

Optionally, as one embodiment, processing unit 1101 is specifically used for：Obtain the first business enabler of overload Mark；The mark of the first service path by the first business enabler is obtained according to the mark of the first business enabler；Dividing The first Business Stream is determined in the Business Stream of mark equipped with the first service path.

Specifically, the first business enabler occurred when, the processing unit 1101 of PCRF can know the first business The mark (SE ID) of enabler.The SE ID of first business enabler can be that SE Monitor detect the first business enabler PCRF is sent to after overload, i.e. PCRF can obtain the SE ID of the first business enabler from SE Monitor.Optionally, PCRF can also obtain the mark of the first business enabler of overload by sending request message to SE Monitor.Wherein, The mark of first business enabler can be IP address or URL of the first business enabler etc., and the present invention does not limit this.

Due to initially to Business Stream carry out load distribution PCRF equipment or STC for UE Business Stream distribute service path When mark, the correspondence being stored between the mark of service path and the mark of business enabler, therefore, when the first business makes When energy device is detected overload, the processing unit 1101 of PCRF can be determined according to the mark of the first business enabler be overloaded The first Business Stream of the UE of influence.Specifically, the processing unit 1101 of PCRF first can be according to the mark of the first business enabler Know and the correspondence between the mark and the mark of business enabler of above-mentioned service path, determining first business of passing through make The mark of first service path of energy device.It should be understood that there can be more than one by the service path of the first business enabler, press The Business Stream that the first business enabler is flowed through according to these service paths is all the Business Stream influenced by overload.PCRF is according to first The mark of service path determines the mark of the first Business Stream, and the first Business Stream can be that PCRF is being assigned the first service path It is randomly selected in multiple Business Streams of mark.

Optionally, as one embodiment, PCRF entities 1100 further include receiving unit 1103, and receiving unit 1103 is used In：The mark for receiving the first service path that service path controller SPC is sent, wherein the mark of the first service path is by SPC It is obtained according to the mark of the first business enabler of overload；Processing unit 1101 is additionally operable to：It is being assigned the first service path The first Business Stream is determined in the Business Stream of mark.

After the receiving unit 1103 of PCRF receives the mark of the first service path of SPC transmissions, processing unit 1101 can To determine the first Business Stream according to the mark of the first service path, it should be appreciated that can by the service path of the first business enabler To there is more than one, the Business Stream that the first business enabler is flowed through according to these service paths is all the business influenced by overload Stream.The first Business Stream that the processing unit 1101 of PCRF is influenced according to the mark determination of the first service path by overload, first Business Stream can be that PCRF is randomly selected in the multiple Business Streams for being assigned the mark of the first service path.

Optionally, as one embodiment, transmission unit 1102 is additionally operable to：Event subscription requests are sent to STC, so that STC detects the event result of the first Business Stream, and wherein event result includes that the current sessions of the first Business Stream terminate or newly can Words start；Receiving unit 1103 is additionally operable to：The response that STC is sent when detecting the event result of the first Business Stream is received to disappear Breath；Processing unit 1101 is additionally operable to：The mark of the second service path is determined for the first Business Stream.

PCRF entities, can be by transmission unit 1102 to STC after the first Business Stream influenced by overload is determined The event subscription requests for first Business Stream are sent, to ask STC detecting that the current sessions of the first Business Stream terminate Or when new session start, respond the event subscription requests.

STC is detecting that the current sessions of the first Business Stream terminate or when new session start, should by response message Event notifies PCRF.PCRF, can be through the processing unit when receiving the response message of STC transmissions by receiving unit 1103 1101 determine new service path mark for the first Business Stream.It should be understood that PCRF can also detect the first business enabler After overload, any time in period before preparing to send new service path mark to STC to PCRF is the first business Stream determines that new service path mark, the present invention do not limit this.

Optionally, as one embodiment, processing unit 1101 is specifically used for：According to the mark of the first business enabler, In the current load condition of business routing rule and each business enabler that the type of service of first Business Stream, device prestore At least one determines the second service path by the second business enabler.

PCRF is that the first Business Stream determines that new service path identifies (i.e. the mark of the second service path), specifically, The processing unit 1101 of PCRF can prestore according to the mark, the type of service of the first Business Stream, PCRF of the first business enabler Business routing rule and current at least one of the load condition of each business enabler, determine enabled by the second business Second service path of device.

As a simplest embodiment, the processing unit 1101 of PCRF can be by the first industry in the first service path Business enabler replaces with the second business enabler, forms the second service path.Second business enabler can be and the first business Enabler is located at the different business enabler of the same SE Pool, i.e., function is identical, individual is different.In addition, the second business is enabled Device can also be that the processing unit 1101 of PCRF is determined according to the load condition of each business enabler, such as in the first business Determine that the minimum business enabler of present load is the second business enabler in SE Pool belonging to enabler.It should be understood that PCRF Processing unit 1101 mark of the second service path can also be redefined according to business routing rule, and meet the second industry Be engaged in path without the first business enabler condition.

Optionally, as one embodiment, transmission unit 1102 is specifically used for：It is sent to SPC for asking the second business The request message of the mark in path so that SPC according to the mark of the first business enabler, the type of service of the first Business Stream and Current at least one of the load condition of each business enabler determines the second business road by the second business enabler Diameter；Receiving unit 1103 is specifically used for receiving the mark for the second service path that SPC is sent.

When carrying out overload detection to business enabler by SPC, due to there is the SE ID of the first business enabler at SPC, because This new service path mark can be determined by SPC.Specifically, the receiving unit 1103 of PCRF is receiving the of SPC transmissions One service path identifies, and after the first Business Stream is determined, can send request message to SPC by transmission unit 1102, With the service path mark that please be look for novelty.Request message can carry the first service path mark or the first Business Stream it is corresponding The mark of UE.After the request message for receiving PCRF transmissions, SPC is that the first Business Stream determines new service path mark (i.e. The mark of second service path), the determination method of the second service path mark is referred to above-described embodiment, no longer superfluous herein It states.SPC sends it to PCRF after the mark for determining the second service path, in order to which PCRF will by transmission unit 1102 The mark of second service path is sent to STC, and the mark of the second service path is applied by STC.

Optionally, as one embodiment, receiving unit 1103 is specifically used for：SPC is received according to the first business enabler At least one of mark, the type of service of the first Business Stream and the current load condition of each business enabler determine and The mark of the second service path sent, wherein the second service path passes through the second business enabler.Specifically, SPC can root According in the mark of the first business enabler, the type of service of the first Business Stream and the current load condition of each business enabler At least one determines the second service path by the second business enabler.As a simplest embodiment, SPC can be with The first business enabler in first service path is replaced with into the second business enabler, forms the second service path.Second industry Business enabler can be the different business enabler for being located at the same SE Pool with the first business enabler, i.e. function is identical, a Body is different.It is determined according to the load condition of each business enabler in addition, the second business enabler can also be SPC, such as Determine that the minimum business enabler of present load is the second business enabler in SE Pool belonging to the first business enabler. It should be understood that SPC can also redefine the mark of the second service path according to the PCRF business routing rules sent, and meet Second service path without the first business enabler condition.

Optionally, as one embodiment, processing unit 1101 is additionally operable to：According to the mark of the first business enabler, In the current load condition of business routing rule and each business enabler that the type of service of one Business Stream, PCRF prestore extremely Few one kind, determines the second service path by the second business enabler.

After the processing unit 1101 of PCRF detects the first business enabler overload, and determine the influenced by overload Can directly be the mark that the first Business Stream determines the second service path, by the mark of second service path after one Business Stream It is sent at STC by transmission unit 1102, suitable applications second is voluntarily determined according to the session status of the first Business Stream by STC The mark of service path.

The PCRF 1100 of the embodiment of the present invention determines the first Business Stream influenced by the first business enabler overload, really After determining or obtaining the second service path without the first business enabler, the mark of second service path is sent to STC.So that STC is when the current sessions of the first Business Stream terminate or the new session of the first Business Stream starts, by the second business The mark in path distributes to the first Business Stream.To which the first Business Stream can change path in session intermittent periods, according to second Service path flows through the second business enabler, avoids continuing through the first business enabler by overload influence, and aggravate to overload The first business enabler load.That is, can be protected while mitigating load pressure for the business enabler of overload Phenomena such as continuity of card business is not in packet loss, service disruption improves user experience.

Figure 12 is the schematic block diagram of the service routing apparatus (STC) of one embodiment of the invention.Business Stream shown in Figure 12 Grader STC 1200 includes processing unit 1201.

Processing unit 1201 determines the first Business Stream influenced by overload, wherein the first Business Stream is according to the first business Path flows through the Business Stream of the first business enabler of overload.Processing unit 1201 determines the current sessions shape of the first Business Stream State.When the current sessions of the first Business Stream terminate or the new session of the first Business Stream starts, processing unit 1201 is by second The mark of service path distributes to the first Business Stream, so that the new session of the first Business Stream flows through according to the second service path Two business enablers, wherein the first business enabler is different with the second business enabler and function type is identical.

It should be understood that STC 1200 can execute the correlation step of method in above-mentioned Fig. 2-Figure 10.

Optionally, as one embodiment, processing unit 1201 is specifically used for：Obtain the mark of the first service path； It is assigned in the Business Stream of the mark of the first service path and determines the first Business Stream.

The processing unit 1201 of STC can obtain the mark of the first service path, processing unit 1201 from PCRF or SPC The mark of the first service path can also be locally obtained in STC.When wherein carrying out overload detection by PCRF, then the processing list of STC Member 1201 can obtain the first service path mark from PCRF；When carrying out overload detection by SPC, then the processing unit of STC 1201 can obtain the first service path mark from SPC；When carrying out overload detection by STC, then the processing unit 1201 of STC can Voluntarily to determine the mark of the first service path.

After the mark for getting the first service path, the processing unit 1201 of STC can be according to the first service path Mark determines the first Business Stream, and specifically, the service path by the first business enabler can have more than one, according to these The Business Stream that service path flows through the first business enabler is all the Business Stream influenced by overload.The processing unit 1201 of STC The first Business Stream influenced by overload is determined according to the mark of the first service path, and the first Business Stream can be that STC is being distributed It is randomly selected in the multiple Business Streams for having the mark of the first service path.

Optionally, as one embodiment, device further includes receiving unit 1202, and processing unit 1201 is specifically used for：It obtains The mark of the first business enabler of overload is taken, and is obtained according to the mark of the first business enabler and passes through the first business enabler The first service path mark；Or by receiving unit 1202, receive the first business that service path controller SPC is sent The mark in path, wherein the mark of the first service path is obtained by SPC according to the mark of the first business enabler of overload；Or By receiving unit 1202, the mark for the first service path that strategy is sent with charging rule functions PCRF entities is received, wherein The mark of first service path is obtained by PCRF entities according to the mark of the first business enabler of overload.

Optionally, as one embodiment, receiving unit 1202 is additionally operable to：Receive the second service path that PCRF is sent Mark, wherein the mark of the second service path by PCRF according to the mark of the first business enabler, the service class of the first Business Stream At least one of current load condition of business routing rule and each business enabler that type, PCRF prestore determines, second Service path passes through the second business enabler.

Optionally, as one embodiment, STC 1200 further includes transmission unit 1203, and transmission unit 1203 is used for：To SPC sends the request message of the mark for asking the second service path, so that marks of the SPC according to the first business enabler Know, the type of service of the first Business Stream and current at least one of the load condition of each business enabler, determines by the Second service path of two business enablers；Receiving unit 1202 is additionally operable to receive the mark for the second service path that SPC is sent.

Optionally, as one embodiment, receiving unit 1202 is additionally operable to：Receive the second service path that SPC is sent Mark, wherein the mark of the second service path by SPC according to the mark of the first business enabler, the type of service of the first Business Stream At least one of current load condition determines with each business enabler, and the second service path is enabled by the second business Device.

In the embodiment that SPC carries out overload detection, SPC can be in the first business enabler for determining overload, and determines When first service path identifies, determines and identified by the second service path of the second business enabler, and by the first service path Mark and the second service path mark are all sent to STC 1200.Wherein SPC determines that the second service path mark is referred to Embodiment is stated, details are not described herein again.

The STC 1200 of the embodiment of the present invention determines the first Business Stream influenced by the first business enabler overload, determines Either obtain the current sessions after the second service path without the first business enabler in the first Business Stream terminate or When the new session of first Business Stream starts, the mark of the second service path is distributed into the first Business Stream.To the first Business Stream Path can be changed in session intermittent periods, the second business enabler is flowed through according to the second service path, avoid continuing through the One business enabler is influenced by overload, and aggravates the load of the first business enabler of overload.That is, for overload Phenomena such as continuity that can ensure business while business enabler mitigation load pressure is not in packet loss, service disruption, Improve user experience.

Figure 13 is the schematic block diagram of the service routing apparatus (SPC) of one embodiment of the invention.Business road described in Figure 13 Diameter controller SPC 1300 includes processing unit 1301 and transmission unit 1302.

Processing unit 1301 obtains the mark of the first business enabler of overload.Processing unit 1301 makes according to the first business The mark of energy device obtains the mark of the first service path by the first business enabler.Transmission unit 1302 to strategy and charging Rule functional PCRF entities or service stream classification device STC send the mark of the first service path, in order to which PCRF entities or STC are true Surely it is assigned the first Business Stream of the mark of the first service path, wherein the first Business Stream is to pass through according to the first service path stream The Business Stream of the first business enabler carried；And mark, first business of the processing unit 1301 according to the first business enabler The type of service of stream and current at least one of the load condition of each business enabler determine enabled by the second business The mark of second service path of device, wherein the first business enabler is different with the second business enabler and function is identical；It sends Unit 1302 sends the mark of the second service path to PCRF entities or STC, in order to which PCRF entities or STC are in the first Business Stream Current sessions terminate or when the new session of the first Business Stream starts, the mark of the second service path distributed into the first business Stream so that the new session of the first Business Stream flows through the second business enabler according to the second service path.

It should be understood that SPC 1300 can execute the corresponding steps of method in above-mentioned Fig. 2, Fig. 5-7, Fig. 9 and Figure 10.

Optionally, as one embodiment, SPC 1300 further includes receiving unit 1303, and receiving unit 1303 is used for：It connects Receive the request message for the mark for asking the second service path that PCRF entities or STC are sent.

The SPC 1300 of the embodiment of the present invention determines the first Business Stream influenced by the first business enabler overload, determines Either obtain the current sessions after the second service path without the first business enabler in the first Business Stream terminate or When the new session of first Business Stream starts, the mark of the second service path is distributed into the first Business Stream.To the first Business Stream Path can be changed in session intermittent periods, the second business enabler is flowed through according to the second service path, avoid continuing through the One business enabler is influenced by overload, and aggravates the load of the first business enabler of overload.That is, for overload Phenomena such as continuity that can ensure business while business enabler mitigation load pressure is not in packet loss, service disruption, Improve user experience.

Figure 14 is the schematic block diagram of the service routing apparatus (PCRF) of another embodiment of the present invention.The PCRF entities of Figure 14 1400 include processor 1401 and memory 1402.Processor 1401 is connected with memory 1402 by bus system 1403.

Memory 1402 is for storing so that processor 1401 executes the instruction operated below：It determines by overload influence First Business Stream, wherein the first Business Stream is the Business Stream for the first business enabler for flowing through overload according to the first service path； The mark of the second service path is sent to service stream classification device STC so that STC terminate in the current sessions of the first Business Stream or When the new session of the first Business Stream of person starts, the mark of the second service path is distributed into the first Business Stream so that the first business The new session of stream flows through the second business enabler according to the second service path, wherein the first business enabler and the second business are enabled Device is different and function type is identical.

It should be understood that PCRF entities 1400 can execute the corresponding steps of the method for any embodiment in above-mentioned Fig. 2-Fig. 6, and And the processor of PCRF entities 1400 can correspond to the processing unit 1101 of PCRF entities 1100 in above-mentioned Figure 11.

In addition, PCRF entities 1400 can also include radiating circuit 1404, receiving circuit 1405 etc..Processor 1401 controls The operation of PCRF entities 1400, processor 1401 can also be known as CPU (Central Processing Unit, central processing list Member).Memory 1402 may include read-only memory and random access memory, and provide instruction sum number to processor 1401 According to.The a part of of memory 1402 can also include nonvolatile RAM (NVRAM).PCRF entities 1400 it is each A component is coupled by bus system 1403, and wherein bus system 1403 can also wrap in addition to including data/address bus Include power bus, controlling bus and status signal bus in addition etc..But for the sake of clear explanation, various buses are all marked in figure For bus system 1403.

The method that the embodiments of the present invention disclose can be applied in processor 1401, or real by processor 1401 It is existing.Processor 1401 may be a kind of IC chip, the processing capacity with signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1401 or software form.Above-mentioned Processor 1401 can be general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), ready-made programmable Gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.It can be with Realize or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be micro- place It can also be any conventional processor etc. to manage device or the processor.The step of method in conjunction with disclosed in the embodiment of the present invention Hardware decoding processor can be embodied directly in and execute completion, or in decoding processor hardware and software module combination hold Row is completed.Software module can be located at random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable In the storage medium for writing this fields such as programmable storage, register maturation.The storage medium is located at memory 1402, processor 1401 read the information in memory 1402, in conjunction with the step of its hardware completion above method.

Optionally, as one embodiment, processor 1401 is used for：Obtain the mark of the first business enabler of overload； The mark of the first service path by the first business enabler is obtained according to the mark of the first business enabler；It is being assigned The first Business Stream is determined in the Business Stream of the mark of one service path.

Optionally, as one embodiment, the first of the SPC transmissions of service path controller is received by receiving circuit 1405 The mark of service path, wherein the mark of the first service path is obtained by SPC according to the mark of the first business enabler of overload； Processor 1401 determines the first Business Stream in being assigned the Business Stream of mark of the first service path.

Optionally, as one embodiment, event subscription requests are sent to STC by radiating circuit 1404, so that STC Detect the event result of the first Business Stream, wherein event result includes that the current sessions of the first Business Stream terminate or new session is opened Begin；The response message that STC is sent when detecting the event result of the first Business Stream is received by receiving circuit 1405；Processor 1401 determine the mark of the second service path for the first Business Stream.

Optionally, as one embodiment, processor 1401 is according to the mark of the first business enabler, the first Business Stream Current at least one of the load condition of business routing rule and each business enabler that type of service, PCRF prestore, really Surely pass through the second service path of the second business enabler.

Optionally, it as one embodiment, is sent to SPC for asking the second service path by radiating circuit 1404 The request message of mark, so that SPC is according to the mark of the first business enabler, the type of service of the first Business Stream and each industry Current at least one of the load condition of business enabler, determines the second service path by the second business enabler；Pass through Receiving circuit 1405 receives the mark for the second service path that SPC is sent.

Optionally, as one embodiment, marks of the SPC according to the first business enabler is received by receiving circuit 1405 Know, at least one of the load condition that the type of service of the first Business Stream and each business enabler are current is determined and sent The second service path mark, wherein the second service path pass through the second business enabler.

The PCRF entities 1400 of the embodiment of the present invention determine the first Business Stream influenced by the first business enabler overload, After determining or obtaining the second service path without the first business enabler, the mark of second service path is sent To STC.So that STC is when the current sessions of the first Business Stream terminate or the new session of the first Business Stream starts, by the second industry The mark in business path distributes to the first Business Stream.To which the first Business Stream can change path in session intermittent periods, according to the Two service paths flow through the second business enabler, avoid continuing through the first business enabler by overload influence, and aggravated The load of the first business enabler carried.That is, can while mitigating load pressure for the business enabler of overload Phenomena such as continuity of guarantee business is not in packet loss, service disruption improves user experience.

Figure 15 is the schematic block diagram of the service routing apparatus (STC) of another embodiment of the present invention.The service stream classification of Figure 15 Device STC 1500 includes processor 1501 and memory 1502.Processor 1501 and memory 1502 pass through 1503 phase of bus system Even.

Memory 1502 is for storing so that processor 1501 executes the instruction operated below：It determines by overload influence First Business Stream, wherein the first Business Stream is the Business Stream for the first business enabler for flowing through overload according to the first service path； Determine the current sessions state of the first Business Stream；Terminate or the new session of the first Business Stream in the current sessions of the first Business Stream When beginning, the mark of the second service path is distributed into the first Business Stream, so that the new session of the first Business Stream is according to second Service path flows through the second business enabler, wherein the first business enabler is different with the second business enabler and function type It is identical.

It should be understood that STC 1500 can execute the correlation step of method in above-mentioned Fig. 2-Figure 10, the processor of STC 1500 1501 can correspond to the processing unit 1201 of STC 1200 in above-mentioned Figure 12.

In addition, STC1500 can also include radiating circuit 1504, receiving circuit 1505.Processor 1501 controls STC1500 Operation, processor 1501 can also be known as CPU (Central Processing Unit, central processing unit).Memory 1502 may include read-only memory and random access memory, and provide instruction and data to processor 1501.Memory 1502 a part of can also include nonvolatile RAM (NVRAM).The various components of STC1500 pass through bus System 1503 is coupled, and wherein bus system 1503 can also include power bus, control in addition to including data/address bus Bus and status signal bus in addition etc..But for the sake of clear explanation, various buses are all designated as bus system 1503 in figure.

The method that the embodiments of the present invention disclose can be applied in processor 1501, or real by processor 1501 It is existing.Processor 1501 may be a kind of IC chip, the processing capacity with signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1501 or software form.Above-mentioned Processor 1501 can be general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), ready-made programmable Gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.It can be with Realize or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be micro- place It can also be any conventional processor etc. to manage device or the processor.The step of method in conjunction with disclosed in the embodiment of the present invention Hardware decoding processor can be embodied directly in and execute completion, or in decoding processor hardware and software module combination hold Row is completed.Software module can be located at random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable In the storage medium for writing this fields such as programmable storage, register maturation.The storage medium is located at memory 1502, processor 1501 read the information in memory 1502, in conjunction with the step of its hardware completion above method.

Optionally, as one embodiment, processor 1501 is used for：Obtain the mark of the first service path；It is being assigned The first Business Stream is determined in the Business Stream of the mark of first service path.

Optionally, the mark of the first business enabler overloaded as one embodiment, the acquisition of processor 1501, and according to The mark of first business enabler obtains the mark of the first service path by the first business enabler；Or by receiving electricity Road 1505 receives the mark for the first service path that service path controller SPC is sent, wherein the mark of the first service path by SPC is obtained according to the mark of the first business enabler of overload；Or strategy and charging regulation are received by receiving circuit 1505 Function PCRF entities send the first service path mark, wherein the mark of the first service path by PCRF entities according to overload The first business enabler mark obtain.

Optionally, as one embodiment, the mark for the second service path that PCRF is sent is received by receiving circuit 1505 Know, wherein the mark of the second service path by PCRF according to the mark of the first business enabler, the type of service of the first Business Stream, At least one of current load condition of business routing rule and each business enabler that PCRF prestores determines, the second business The second business enabler is passed through in path.

Optionally, it as one embodiment, is sent to SPC for asking the second service path by radiating circuit 1504 The request message of mark, so that SPC is according to the mark of the first business enabler, the type of service of the first Business Stream and each industry Current at least one of the load condition of business enabler, determines the second service path by the second business enabler；Pass through Receiving circuit 1505 receives the mark for the second service path that SPC is sent.

Optionally, as one embodiment, the mark for the second service path that SPC is sent is received by receiving circuit 1505 Know, wherein the mark of the second service path by SPC according to the mark of the first business enabler, the type of service of the first Business Stream and At least one of current load condition of each business enabler determines that the second service path passes through the second business enabler.

The STC 1500 of the embodiment of the present invention determines the first Business Stream influenced by the first business enabler overload, determines Either obtain the current sessions after the second service path without the first business enabler in the first Business Stream terminate or When the new session of first Business Stream starts, the mark of the second service path is distributed into the first Business Stream.To the first Business Stream Path can be changed in session intermittent periods, the second business enabler is flowed through according to the second service path, avoid continuing through the One business enabler is influenced by overload, and aggravates the load of the first business enabler of overload.That is, for overload Phenomena such as continuity that can ensure business while business enabler mitigation load pressure is not in packet loss, service disruption, Improve user experience.

Figure 16 is the schematic block diagram of the service routing apparatus (SPC) of another embodiment of the present invention.The service path control of Figure 16 Device SPC1600 processed includes processor 1601 and memory 1602.Processor 1601 and memory 1602 pass through bus system 1603 It is connected.

Memory 1602 is for storing so that processor 1601 executes the instruction operated below：Obtain the first business of overload The mark of enabler；The mark of the first service path by the first business enabler is obtained according to the mark of the first business enabler Know；The mark that the first service path is sent to "Policy and Charging Rules Function PCRF entities or service stream classification device STC, in order to PCRF entities or STC determine the first Business Stream of the mark for being assigned the first service path, wherein the first Business Stream is according to the One service path flows through the Business Stream of the first business enabler of overload；And according to the mark of the first business enabler, first The type of service of Business Stream and current at least one of the load condition of each business enabler, determine and pass through the second business The mark of second service path of enabler, wherein the first business enabler is different with the second business enabler and function is identical； The mark that the second service path is sent to PCRF entities or STC, in order to which PCRF entities or STC are in the current meeting of the first Business Stream When words terminate or the new session of the first Business Stream starts, the mark of the second service path is distributed into the first Business Stream so that The new session of first Business Stream flows through the second business enabler according to the second service path.

It should be understood that SPC 1600 can execute the corresponding steps of method in above-mentioned Fig. 2, Fig. 5-7, Fig. 9 and Figure 10, The processor 1601 of SPC1600 can be corresponding with the processing unit 1301 of SPC1300 in above-mentioned Figure 13.

In addition, SPC1600 can also include radiating circuit 1604, receiving circuit 1605.Processor 1601 controls SPC1600 Operation, processor 1601 can also be known as CPU (Central Processing Unit, central processing unit).Memory 1602 may include read-only memory and random access memory, and provide instruction and data to processor 1601.Memory 1602 a part of can also include nonvolatile RAM (NVRAM).The various components of SPC1600 pass through bus System 1603 is coupled, and wherein bus system 1603 can also include power bus, control in addition to including data/address bus Bus and status signal bus in addition etc..But for the sake of clear explanation, various buses are all designated as bus system 1603 in figure.

The method that the embodiments of the present invention disclose can be applied in processor 1601, or real by processor 1601 It is existing.Processor 1601 may be a kind of IC chip, the processing capacity with signal.During realization, the above method Each step can be completed by the instruction of the integrated logic circuit of the hardware in processor 1601 or software form.Above-mentioned Processor 1601 can be general processor, digital signal processor (DSP), application-specific integrated circuit (ASIC), ready-made programmable Gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware components.It can be with Realize or execute disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor can be micro- place It can also be any conventional processor etc. to manage device or the processor.The step of method in conjunction with disclosed in the embodiment of the present invention Hardware decoding processor can be embodied directly in and execute completion, or in decoding processor hardware and software module combination hold Row is completed.Software module can be located at random access memory, flash memory, read-only memory, programmable read only memory or electrically erasable In the storage medium for writing this fields such as programmable storage, register maturation.The storage medium is located at memory 1602, processor 1601 read the information in memory 1602, in conjunction with the step of its hardware completion above method.

Optionally, it is used to ask second as what one embodiment, the reception PCRF entities of receiving circuit 1605 or STC were sent The request message of the mark of service path.

The SPC 1600 of the embodiment of the present invention determines the first Business Stream influenced by the first business enabler overload, determines Either obtain the current sessions after the second service path without the first business enabler in the first Business Stream terminate or When the new session of first Business Stream starts, the mark of the second service path is distributed into the first Business Stream.To the first Business Stream Path can be changed in session intermittent periods, the second business enabler is flowed through according to the second service path, avoid continuing through the One business enabler is influenced by overload, and aggravates the load of the first business enabler of overload.That is, for overload Phenomena such as continuity that can ensure business while business enabler mitigation load pressure is not in packet loss, service disruption, Improve user experience.

Those of ordinary skill in the art may realize that each method steps in conjunction with described in the embodiments described herein Rapid and unit, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and soft The interchangeability of part, the step of generally describing each embodiment according to function in the above description and composition.These Function is implemented in hardware or software actually, depends on the specific application and design constraint of technical solution.Ability Domain those of ordinary skill can use different methods to achieve the described function each specific application, but this reality Now it should not be considered as beyond the scope of the present invention.

Method or step described in conjunction with the examples disclosed in this document can use the software journey that hardware, processor execute The combination of sequence or the two is implemented.Software program can be placed in random access memory (RAM), memory, read-only memory (ROM), Institute is public in electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field In any other form of storage medium known.

Although by reference to attached drawing and combining the mode of preferred embodiment to the present invention have been described in detail, the present invention It is not limited to this.Without departing from the spirit and substance of the premise in the present invention, those of ordinary skill in the art can be to the present invention Embodiment carry out various equivalent modifications or substitutions, and these modifications or substitutions all should be in the covering scope of the present invention.

Claims

1. a kind of service routing method, which is characterized in that including：

"Policy and Charging Rules Function PCRF entities determine the first Business Stream influenced by overload, wherein first Business Stream For flowed through according to the first service path overload the first business enabler Business Stream；

The PCRF entities send the mark of the second service path to service stream classification device STC, so that the STC is described the When the current sessions of one Business Stream terminate or the new session of first Business Stream starts, by the mark of second service path First Business Stream is distributed in knowledge so that the new session of first Business Stream is flowed through according to second service path Second business enabler, wherein the first business enabler is different with the second business enabler and function type is identical.

2. according to the method described in claim 1, it is characterized in that, the PCRF entities determine the first industry influenced by overload Business stream, including：

Obtain the mark of the first business enabler of overload；

The mark of the first service path by the first business enabler is obtained according to the mark of the first business enabler Know；

First Business Stream is determined in being assigned the Business Stream of mark of first service path.

3. according to the method described in claim 1, it is characterized in that, the PCRF entities determine the first industry influenced by overload Business stream, including：

The mark for first service path that service path controller SPC is sent is received, wherein first service path Mark is obtained by the SPC according to the mark of the first business enabler of overload；

4. according to the method in claim 2 or 3, which is characterized in that send the second business road to STC in the PCRF entities Before the mark of diameter, the method further includes：

Event subscription requests are sent to the STC, so that the STC detects the event result of first Business Stream, wherein The event result includes that the current sessions of first Business Stream terminate or new session starts；

Receive the response message that the STC is sent when detecting the event result of first Business Stream；

The mark of second service path is determined for first Business Stream.

5. according to the method described in claim 4, it is characterized in that, described determine second business for first Business Stream The mark in path, including：According to the identifying of the first business enabler, type of service of first Business Stream, described Current at least one of the load condition of business routing rule and each business enabler that PCRF prestores, determines described in passing through Second service path of the second business enabler.

6. according to the method described in claim 4, it is characterized in that, described determine second business for first Business Stream The mark in path, including：

The request message that the mark for asking second service path is sent to the SPC, so that the SPC is according to institute State the identifying of the first business enabler, the load condition that the type of service of first Business Stream and each business enabler are current At least one of, determine the second service path by the second business enabler；

Receive the mark for second service path that the SPC is sent.

7. according to the method described in claim 4, it is characterized in that, before the transmission event subscription requests to the STC, go back Including：The SPC is received according to the identifying of the first business enabler, the type of service of first Business Stream and each industry The mark of second service path that current at least one of the load condition of business enabler is determined and sent, wherein the Two service paths pass through the second business enabler.

8. according to the method described in claim 2, it is characterized in that, the PCRF entities send the to service stream classification device STC Before the mark of two service paths, further include：According to the identifying of the first business enabler, the business of first Business Stream Current at least one of the load condition of business routing rule and each business enabler that type, the PCRF prestore, really Surely pass through the second service path of the second business enabler.

9. a kind of service routing method, which is characterized in that including：

Service stream classification device STC determines the first Business Stream influenced by overload, wherein first Business Stream is according to first Service path flows through the Business Stream of the first business enabler of overload；

The STC determines the current sessions state of first Business Stream；

The STC, will when the current sessions of first Business Stream terminate or the new session of first Business Stream starts The mark of second service path distributes to first Business Stream, so that the new session of first Business Stream is according to institute It states the second service path and flows through the second business enabler, wherein the first business enabler and the second business enabler phase Different and function type is identical.

10. according to the method described in claim 9, it is characterized in that, the STC determines the first business influenced by overload Stream, including：

Obtain the mark of first service path；

11. according to the method described in claim 10, it is characterized in that, the mark of the determination first service path, packet It includes：

The mark of the first business enabler of overload is obtained, and is obtained and is passed through according to the mark of the first business enabler The mark of first service path of the first business enabler；Or

The mark for first service path that service path controller SPC is sent is received, wherein first service path Mark is obtained by the SPC according to the mark of the first business enabler of overload；Or

The mark for receiving first service path that strategy is sent with charging rule functions PCRF entities, wherein first industry The mark in business path is obtained by the PCRF entities according to the mark of the first business enabler of overload.

12. according to the method for claim 11, which is characterized in that the STC determines the current meeting of first Business Stream Before speech phase, further include：The mark for receiving second service path that the PCRF is sent, wherein second business road The mark of diameter is by the PCRF according to the identifying of the first business enabler, type of service of first Business Stream, described At least one of current load condition of business routing rule and each business enabler that PCRF prestores determines, described second Service path passes through the second business enabler.

13. according to the method for claim 11, which is characterized in that the institute for receiving service path controller SPC and sending After the mark for stating the first service path, further include：

Receive the mark for second service path that the SPC is sent.

14. according to the method for claim 11, which is characterized in that the STC determines the current meeting of first Business Stream Before speech phase, further include：The mark for receiving second service path that the SPC is sent, wherein second business road The mark of diameter is by the SPC according to the identifying of the first business enabler, the type of service of first Business Stream and each At least one of current load condition of business enabler determines that second service path is enabled by second business Device.

15. a kind of service routing method, which is characterized in that including：

Service path controller SPC obtains the mark of the first business enabler of overload；

The SPC obtains the first business road by the first business enabler according to the mark of the first business enabler The mark of diameter；

The SPC sends first service path to "Policy and Charging Rules Function PCRF entities or service stream classification device STC Mark, in order to which the PCRF entities or STC determine the first Business Stream of the mark for being assigned the first service path, wherein institute State the Business Stream that the first Business Stream is the first business enabler that overload is flowed through according to the first service path；And

The SPC according to the identifying of the first business enabler, the type of service of first Business Stream and each business make Current at least one of the load condition of energy device, determines the mark of the second service path by the second business enabler, Described in the first business enabler it is different with the second business enabler and function is identical；

The SPC sends the mark of second service path to the PCRF entities or the STC, in order to PCRF realities Body or the STC, will when the current sessions of first Business Stream terminate or the new session of first Business Stream starts The mark of second service path distributes to first Business Stream so that the new session of first Business Stream according to Second service path flows through the second business enabler.

16. according to the method for claim 15, which is characterized in that the SPC is sent to the PCRF entities or the STC Before the mark of second service path, further include：Receive the PCRF entities or the STC send it is described for asking The request message of the mark of second service path.

17. a kind of service routing apparatus, which is characterized in that including：

Processing unit, for determining the first Business Stream influenced by overload, wherein first Business Stream is according to the first industry Business path flows through the Business Stream of the first business enabler of overload；

Transmission unit, the mark for sending the second service path to service stream classification device STC, so that the STC is described When the current sessions of first Business Stream terminate or the new session of first Business Stream starts, by second service path Mark distributes to first Business Stream so that the new session of first Business Stream is according to the second service path stream Through the second business enabler, wherein the first business enabler is different with the second business enabler and function type phase Together.

18. device according to claim 17, which is characterized in that the processing unit is specifically used for：

Obtain the mark of the first business enabler of overload；

19. device according to claim 17, which is characterized in that described device further includes receiving unit, and the reception is single Member is used for：

The processing unit is additionally operable to：First industry is determined in being assigned the Business Stream of mark of first service path Business stream.

20. the device according to claim 18 or 19, which is characterized in that the transmission unit is additionally operable to：

The receiving unit is additionally operable to：The STC is received to send when detecting the event result of first Business Stream Response message；

The processing unit is additionally operable to：The mark of second service path is determined for first Business Stream.

21. device according to claim 20, which is characterized in that the processing unit is specifically used for：According to described first The identifying of business enabler, the business routing rule that type of service, the described device of first Business Stream prestore and each industry Current at least one of the load condition of business enabler, determines the second service path by the second business enabler.

22. device according to claim 20, which is characterized in that the transmission unit is specifically used for：

The receiving unit is specifically used for receiving the mark for second service path that the SPC is sent.

23. device according to claim 20, which is characterized in that the receiving unit is specifically used for：Receive the SPC roots According to the identifying of the first business enabler, the load that the type of service of first Business Stream and each business enabler are current The mark of second service path that at least one of state is determined and sent, wherein described in the second service path passes through Second business enabler.

24. device according to claim 18, which is characterized in that the processing unit is additionally operable to：According to first industry Business the identifying of enabler, the business routing rule that the type of service of first Business Stream, the PCRF prestore and each business Current at least one of the load condition of enabler determines the second service path by the second business enabler.

25. a kind of service routing apparatus, which is characterized in that including：

The processing unit determines the current sessions state of first Business Stream；

When the current sessions of first Business Stream terminate or the new session of first Business Stream starts, the processing is single The mark of second service path is distributed to first Business Stream by member, so that the new session of first Business Stream is pressed The second business enabler is flowed through according to second service path, wherein the first business enabler is enabled with second business Device is different and function type is identical.

26. device according to claim 25, which is characterized in that the processing unit is specifically used for：

Obtain the mark of first service path；

27. device according to claim 26, which is characterized in that the processing unit is specifically used for：

Described device further includes receiving unit, and the receiving unit is used to receive that service path controller SPC to send described the The mark of one service path, wherein the mark of first service path is made by the SPC according to first business of overload The mark of energy device obtains；Or

Described device further includes receiving unit, and the receiving unit is sent for receiving strategy with charging rule functions PCRF entities First service path mark, wherein the mark of first service path by the PCRF entities according to the institute of overload The mark for stating the first business enabler obtains.

28. device according to claim 27, which is characterized in that the receiving unit is additionally operable to：Receive the PCRF hairs The mark of second service path sent, wherein the mark of second service path by the PCRF according to first industry Business the identifying of enabler, the business routing rule that the type of service of first Business Stream, the PCRF prestore and each business At least one of current load condition of enabler determines that second service path passes through the second business enabler.

29. device according to claim 27, which is characterized in that described device further includes transmission unit, and the transmission is single Member is used for：

The receiving unit is additionally operable to receive the mark for second service path that the SPC is sent.

30. device according to claim 27, which is characterized in that the receiving unit is additionally operable to：The SPC is received to send Second service path mark, wherein the mark of second service path by the SPC according to first business The identifying of enabler, at least one in the load condition that the type of service of first Business Stream and each business enabler are current Kind determines that second service path passes through the second business enabler.

31. a kind of service routing apparatus, which is characterized in that including：

Processing unit, the mark of the first business enabler for obtaining overload；

The processing unit obtains first by the first business enabler according to the mark of the first business enabler The mark of service path；

Transmission unit, for sending first industry to "Policy and Charging Rules Function PCRF entities or service stream classification device STC It is engaged in the mark in path, in order to which the PCRF entities or STC determine the first Business Stream of the mark for being assigned the first service path, Wherein described first Business Stream is the Business Stream for the first business enabler that overload is flowed through according to the first service path；And

The processing unit is according to the identifying of the first business enabler, the type of service of first Business Stream and each Current at least one of the load condition of business enabler determines the mark of the second service path by the second business enabler Know, wherein the first business enabler is different with the second business enabler and function is identical；

The transmission unit sends the mark of second service path to the PCRF entities or the STC, in order to described The PCRF entities or STC terminates in the current sessions of first Business Stream or the new session of first Business Stream starts When, the mark of second service path is distributed into first Business Stream so that the new meeting of first Business Stream Words flow through the second business enabler according to second service path.

32. device according to claim 31, which is characterized in that described device further includes receiving unit, and the reception is single Member is used for：Receive that the PCRF entities or the STC send for asking the request of the mark of second service path to disappear Breath.

33. a kind of service routing system, which is characterized in that the service routing system includes：

Device described in any one of claim 17-24；

Device described in any one of claim 25-30；

Device described in claim 31 or 32.