CN107005909A

CN107005909A - Business Stream shunt method and device

Info

Publication number: CN107005909A
Application number: CN201480083796.XA
Authority: CN
Inventors: 诸华林; 于游洋; 李欢
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-12-31
Filing date: 2014-12-31
Publication date: 2017-08-01
Also published as: WO2016106702A1

Abstract

The embodiment of the present invention provides a kind of Business Stream shunt method and device, and wherein this method includes：First, gateway receives the secondary route message that the second equipment is sent, wherein secondary route message be the first route messages or be the second equipment to the first via by the message after information updating, first route messages are five-tuple of first equipment in congestion messages or Business Stream, or the service set SSID generations of WLAN non-3 gpp, secondly, third generation Partnership Program 3GPP network side traffic flow points are flow to non-3 gpp side by gateway according to secondary route message, or non-3 gpp side business flow point is flow to 3GPP network sides, so as to improve the reliability of communication system.

Description

Business Stream shunt method and device

Technical field

The present embodiments relate to the communication technology, more particularly to a kind of Business Stream shunt method and device.

Background technology

With continuing to develop for the communication technology, the growth of data service flow on user equipment (User Equipment, abbreviation UE) in high speed.

Usual UE realizes data transfer by third generation Partnership Program (The 3rd Generation Partnership Project, abbreviation 3GPP) network and non-3 GPP network, and wherein non-3 GPP network includes：WLAN (Wireless Local Area Networks, abbreviation WLAN), CDMA (Code Division Multiple Access, abbreviation CDMA) network, worldwide interoperability for microwave accesses (Worldwide Interoperability for Microwave Access, abbreviation WiMax) network etc..And transmission of the Business Stream in above-mentioned two network is separate, due to the growth of service traffics, often there is the problem of congestion occurs for 3GPP sides signaling, the method that prior art solves the congestion problems is：1st, in the event of congestion, mobility management entity (Mobility Management Entity, abbreviation MME) will limit the progress of the session management flow and mobile management flow of some low priorities, and limit the quantity of descending control plane signaling；2nd, packet data gateway (Packet Data Network Gateway, abbreviation PGW) it can also make respective handling, such as refuse some low priority user equipment accesses and Packet Data Network (Packet Data Network, the abbreviation PDN) connection of congestion occur；3rd, MME sends back_off timer to UE, notifies UE to attempt to initiate session management request or mobile management request within a period of time.

However, either above-mentioned any method in the prior art, it is all the congestion problems that 3GPP is solved in the way of refusing low priority user access, i.e., congestion problems are solved by way of cutting off Business Stream, so as to reduce the reliability of communication network.

The content of the invention

The embodiment of the present invention provides a kind of Business Stream shunt method and device, so as to improve the reliability of communication network.

In a first aspect, the embodiment of the present invention provides a kind of Business Stream shunt method, including：Gateway receives the secondary route message that the second equipment is sent, wherein described secondary route message be the first route messages or be second equipment to the first via by the message after information updating, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Third generation Partnership Program 3GPP network side traffic flow points are flow to non-3 gpp side by the gateway according to the secondary route message, or non-3 gpp side business flow point is flow into 3GPP network sides；Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

With reference in a first aspect, in the first possible embodiment of first aspect, the secondary route message also includes default route message name, acquiescence access style, acquiescence Business Stream numbering and acquiescence filter condition.

With reference to the first possible embodiment of first aspect, in second of possible embodiment of first aspect, the gateway carries out Business Stream shunting according to the secondary route message, specifically includes：Filter criteria matches Business Stream of the gateway in the secondary route message；If the match is successful, in the network that the Business Stream is branched to the corresponding access style of the filter condition；If it fails to match, the Business Stream is branched in the corresponding network of the acquiescence access style, wherein the access style and the acquiescence access style include：WLAN non-3 gpp and third generation Partnership Program 3GPP networks.

With reference to the first possible embodiment or second of possible embodiment of first aspect or first aspect, in the third possible embodiment of first aspect, first equipment is user equipment (UE), and second equipment is policy charging rule function PCRF servers；Or, first equipment is policy charging rule function PCRF servers, and second equipment is user equipment (UE).

With reference to the third possible embodiment of first aspect, in the 4th kind of possible embodiment of first aspect, in addition to：If first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the gateway also sends the congestion messages to first equipment.

Second aspect, the embodiment of the present invention provides a kind of Business Stream shunt method, including：First equipment Congestion messages are obtained, the congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business；First equipment generates the first route messages；First route messages are sent to the second equipment by first equipment；First equipment receives the secondary route message that second equipment is sent by gateway；The wherein described first via carries route messages title, access style, Business Stream numbering and filter condition by message, the secondary route message is first route messages or is second equipment to the first via by the message after information updating, and the secondary route message is shunted for Business Stream.

With reference to second aspect, in the first possible embodiment of second aspect, first equipment is user equipment (UE), and second equipment is policy charging rule function PCRF servers；Or, first equipment is policy charging rule function PCRF servers, and second equipment is user equipment (UE).

With reference to the first possible embodiment of second aspect, in second of possible embodiment of second aspect, if first equipment is user equipment (UE), the second equipment is policy charging rule function PCRF servers, then first equipment obtains congestion messages, specifically includes：First equipment obtains the congestion messages that the gateway or second equipment are sent；Or, first equipment judges that network side whether there is congestion, and the congestion messages are obtained according to judged result.

With reference to second of possible embodiment of second aspect, in the third possible embodiment of second aspect, in addition to：First equipment carries out Business Stream shunting according to the secondary route message.

With reference to the first possible embodiment of second aspect, in the 4th kind of possible embodiment of second aspect, if first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then first equipment obtains congestion messages, specifically includes：First equipment obtains the congestion messages that the gateway is sent.

With reference to the first possible embodiment or second of possible embodiment of second aspect or second aspect or the third possible embodiment or the 4th kind of possible embodiment, in the 5th kind of possible embodiment of second aspect, first equipment generates the first route messages, specifically includes：First equipment generates first route messages according to the congestion messages, the either five-tuple in Business Stream or the service set SSID of WLAN non-3 gpp, wherein the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number.

The third aspect, the embodiment of the present invention provides a kind of Business Stream shunt method, including：Second equipment The first route messages of the first equipment transmission are received, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Second equipment sends secondary route message to gateway, so that the gateway according to the secondary route message carry out Business Stream shunting, the secondary route message be first route messages or be second equipment to the first via by the message after information updating；Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

With reference to the third aspect, in the first possible embodiment of the third aspect, also include in first route messages：Agreement forbids item；Second equipment forbids item to judge whether to update first route messages according to the agreement.

Fourth aspect, the embodiment of the present invention provides a kind of business flow branching device, including：Receiving module, for receiving the secondary route message that the second equipment is sent, wherein described secondary route message be the first route messages or be second equipment to the first via by the message after information updating, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Processing unit, for third generation Partnership Program 3GPP network side traffic flow points to be flow into non-3 gpp side according to secondary route message, or flow to 3GPP network sides by non-3 gpp side business flow point；Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

With reference to fourth aspect, in the first possible embodiment of fourth aspect, the secondary route message also includes default route message name, acquiescence access style, acquiescence Business Stream numbering and acquiescence filter condition.

With reference to the first possible embodiment of fourth aspect, in second of possible embodiment of fourth aspect, the processing module, according to the filter criteria matches Business Stream in the secondary route message；If the match is successful, in the network that the Business Stream is branched to the corresponding access style of the filter condition；If it fails to match, the Business Stream is branched in the corresponding network of the acquiescence access style, Wherein described access style and the acquiescence access style include：WLAN non-3 gpp and third generation Partnership Program 3GPP networks.

With reference to the first possible embodiment or second of possible embodiment of fourth aspect or fourth aspect, in the third possible embodiment of fourth aspect, first equipment is user equipment (UE), and second equipment is policy charging rule function PCRF servers；Or, first equipment is policy charging rule function PCRF servers, and second equipment is user equipment (UE).

With reference to the third possible embodiment of fourth aspect, in the 4th kind of possible embodiment of fourth aspect, if first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the gateway also includes：Sending module, for sending the congestion messages to first equipment.

5th aspect, the embodiment of the present invention provides a kind of business flow branching device, including：Acquisition module, for obtaining congestion messages, the congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business；Generation module, for generating the first route messages；Sending module, for first route messages to be sent into the second equipment；Receiving module, for receiving the secondary route message that second equipment is sent by gateway；The wherein described first via carries route messages title, access style, Business Stream numbering and filter condition by message, the secondary route message is first route messages or is second equipment to the first via by the message after information updating, and the secondary route message is shunted for Business Stream.

With reference to the 5th aspect, in the first possible embodiment of the 5th aspect, the business flow branching device is user equipment (UE), and second equipment is policy charging rule function PCRF servers；Or, the business flow branching device is policy charging rule function PCRF servers, and second equipment is user equipment (UE).

With reference to the first possible embodiment of the 5th aspect, in second of possible embodiment of the 5th aspect, if the business flow branching device is user equipment (UE), the second equipment is policy charging rule function PCRF servers, then the acquisition module, specifically for：Obtain the congestion messages that the gateway or second equipment are sent；Or, judge that network side whether there is congestion, the congestion messages are obtained according to judged result.

With reference to second of possible embodiment of the 5th aspect, in the third possible embodiment of the 5th aspect, in addition to：Processing module, for carrying out Business Stream shunting according to the secondary route message.

With reference to the first possible embodiment of the 5th aspect, in the 4th kind of possible embodiment of the 5th aspect, if the business flow branching device is policy charging rule function PCRF servers, second equipment is user equipment (UE), the then acquisition module, specifically for：Obtain the congestion messages that the gateway is sent.

With reference to the 5th aspect or the first possible embodiment or second of possible embodiment or the third possible embodiment or the 4th kind of possible embodiment of the 5th aspect, in the 5th kind of possible embodiment of the 5th aspect, the generation module, specifically for：According to the congestion messages, either the five-tuple in Business Stream or the service set SSID of WLAN non-3 gpp generate first route messages, wherein the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number.

6th aspect, the embodiment of the present invention provides a kind of business flow branching device, including：Receiving module, for receiving the first route messages that the first equipment is sent, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Sending module, for sending secondary route message to gateway, so that the gateway according to the secondary route message carry out Business Stream shunting, the secondary route message be first route messages or be second equipment to the first via by the message after information updating；Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

With reference to the 6th aspect, in the first possible embodiment of the 6th aspect, also include in first route messages：Agreement forbids item；Then the business flow branching device also includes：Judge module；The judge module, for forbidding item to judge whether to update first route messages according to the agreement.

The embodiments of the invention provide a kind of Business Stream shunt method and device, wherein this method includes：First equipment generates the first route messages, is subsequently transmitted to the second equipment, and the second equipment determines to obtain secondary route message according to the first route messages so that UE and gateway finally carry out Business Stream shunting according to secondary route message.Because the first route messages and secondary route message take into account the useful information in congestion messages either Business Stream, so that Business Stream shunting is more efficient, rationally, and then It ensure that the reliability of communication system.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.

The LTE network framework schematic diagram that Fig. 1 provides for the present invention；

Fig. 2 is a kind of flow chart for Business Stream shunt method that the embodiment of the present invention one is provided；

Fig. 3 is a kind of flow chart for Business Stream shunt method that the embodiment of the present invention two is provided；

Fig. 4 is a kind of flow chart for Business Stream shunt method that the embodiment of the present invention three is provided；

Fig. 5 is the newly-built flow chart of dedicated bearing that the embodiment of the present invention four is provided；

Fig. 6 is that the UE that the embodiment of the present invention four is provided initiates se ce request procedure figure；

Fig. 7 is the Business Stream switching flow figure one that the PCRF that the embodiment of the present invention four is provided is initiated；

Fig. 8 is the Business Stream switching flow figure two that the PCRF that the embodiment of the present invention four is provided is initiated；

Fig. 9 is a kind of structural representation for business flow branching device that the embodiment of the present invention five is provided；

Figure 10 is a kind of structural representation for business flow branching device that the embodiment of the present invention six is provided；

Figure 11 is a kind of structural representation for business flow branching device that the embodiment of the present invention seven is provided；

Figure 12 is a kind of structural representation for business flow branching device that the embodiment of the present invention eight is provided；

Figure 13 is a kind of structural representation for business flow branching device that the embodiment of the present invention nine is provided；

Figure 14 is a kind of structural representation for business flow branching device that the embodiment of the present invention ten is provided.

Embodiment

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.

Technical scheme, can apply to the various communication systems of wireless cellular network, for example： Global system for mobile telecommunications (Global System of Mobile communication, abbreviation GSM) system, CDMA (Code Division Multiple Access, abbreviation CDMA) system, WCDMA (Wideband Code Division Multiple Access Wireless, abbreviation WCDMA) system, GPRS (General Packet Radio Service, abbreviation GPRS) system, Long Term Evolution (Long Term Evolution, abbreviation LTE) system, UMTS (Universal Mobile Telecommunications System, referred to as：UMTS) etc., the present invention is not limited.

The embodiment of the present invention can apply to following scene：UE is accessed by a PDN connection in the same PGW of 3GPP and non-3 gpp, use general packet radio service technology (General Packet Radio Service, abbreviation GPRS) tunnel protocol (GPRS Tunneling protocol, abbreviation GTP).The LTE network framework schematic diagram that Fig. 1 provides for the present invention, the core-network side of LTE system mainly includes：MME, Serving GPRS Support Node (Serving GPRS Support Node, abbreviation SGSN), packet data gateway (Packet Data Network Gateway, abbreviation PGW), home subscriber server (Home Subscriber Server, abbreviation HSS) and policy control Rulemaking entity (Policy Control Rule Function, abbreviation PCRF), wherein MME is responsible for and UE Non-Access Stratums (Non-Access Stratum, abbreviation NAS) signaling and NAS signaling encryption, temporary identifications are distributed for user equipment, select the core network elements such as S-GW and P-GW, roaming is provided, tracking, pacify congruous function, it corresponds to the control plane part of SGSN inside current UMTS system.S-GW is the mobility anchor point switched between local evolved base station (evolved Node Base, abbreviation eNB), and provides Lawful Interception correlation function；P-GW is then responsible for station address distribution, the execution of policy control and charging regulation and and Lawful Interception correlation function.HSS is used for the signing information for storing user, and PCRF provides strategy and charging control rule.

Non-3 GPP network can be generally divided into reliable non-3 GPP network and untrusted 3GPP networks, wherein reliable non-3 GPP network is accessed by the S2a interfaces between P-GW；Untrusted non-3 GPP network is accessed by S2b interfaces of the packet data gateway (evolved PDN, abbreviation ePDN) of evolution between P-GW.Wherein ePDN is responsible for the local Internet Protocol of movement (Internet Protocol, IP) address of forwarding or distributing user equipment, the local ip address of registered user's equipment, and the mobile IP address and local ip address of user equipment are bound.When access from non-3 GPP network, also one important network element is authentication, is authorized and charging (Authentication, Authorization, Accounting, abbreviation AAA) server, and user is set by the realization that interacts with HSS Standby Authentication Authorization operation；The P-GW identification informations used in each PDN connections that user equipment is set up are registered in HSS.

Certainly, during current non-3 GPP network access 3GPP system core net, no matter reliable non-3 GPP system or untrusted non-3 GPP system, it can also be accessed by the S2c interfaces between user equipment and P-GW.Meanwhile, when 3GPP system is accessed, user equipment can also be set up by S2c interfaces and P-GW and be bound.

Current 3GPP standards, which are being formulated, makes UE can be by network mobility protocol and using a PDN connection while accessing the technology of 3GPP networks and non-3 GPP network, but data flow is separate in 3GPP networks and non-3 GPP network transmission, when congestion occurs for one of network, then the reliability of communication system can be reduced.In order to solve this technical problem, the embodiments of the invention provide a kind of Business Stream shunt method, user equipment can be shunted in WLAN and 3GPP sides simultaneously for some PDN Business Stream, and support seamless switching of the Business Stream between the two access styles.

Fig. 2 is a kind of flow chart for Business Stream shunt method that the embodiment of the present invention one is provided, and the executive agent of this method is gateway, such as can be：PGW, wherein this method include following flow：

S201：Gateway receives the secondary route message that the second equipment is sent, wherein secondary route message be the first route messages or be the second equipment to the first via by the message after information updating, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；

S202：Third generation Partnership Program 3GPP network side traffic flow points are flow to non-3 gpp side by gateway according to secondary route message, or non-3 gpp side business flow point is flow into 3GPP network sides.

Wherein, congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, the first route messages carry route messages title, access style, Business Stream numbering and filter condition.

Alternatively, first equipment is user equipment (UE), and second equipment is policy charging rule function PCRF servers；Or, first equipment is policy charging rule function PCRF servers, and second equipment is user equipment (UE).

Specifically, using the first equipment as user equipment (UE), the second equipment is exemplified by policy charging rule function PCRF servers, gateway is between UE and PCRF servers, and UE is according to current congestion Other information in the five-tuple or data flow of situation or data flow, generates the first route messages, and first route messages carry route messages title, access style, Business Stream numbering and filter condition；In addition, the first route messages can also carry access style priority, and business flow priority and agreement forbid item, have form below for the first route messages：

Wherein, access style can be 3GPP and non-3 gpp, usual non-3 gpp is WLAN, their corresponding access style priority are respectively X and Y, data traffic on usual 3GPP networks is larger, therefore, it can set X priority to be less than Y, so when there is congestion on 3GPP networks, Business Stream can be branched in the high non-3 gpp of priority.In addition, the first route messages include filter condition, filter condition here can according to Business Stream five-tuple：Source IP, purpose IP, source port number, destination slogan and transport layer protocol number are filtered, same Business Stream may meet a plurality of filter condition, therefore, when a Business Stream had both met the corresponding filter condition of message 2, also comply with the corresponding filter condition of message 3, the access way of this Business Stream can be determined according to the corresponding access style priority of message 2 and the corresponding access style priority of message 3, assuming that Y priority is higher than X, then the access style that can determine this Business Stream should be non-3 gpp.Certainly, it there is likely to be following situation, the Business Stream for meeting same filter condition may be a plurality of, such as Business Stream 1 and Business Stream 2 meet condition 1 simultaneously, according to the numbering of Business Stream 1 and Business Stream 2, their corresponding business flow priorities can be determined, then order that can be according to business flow priority from high to low is accessed in corresponding access style network.In addition, agreement in first route messages forbids item to be 0 and 1, when this is 0, represent that the second equipment can not be updated to the first route messages, when this is 1, represent that the second equipment can be updated to the first route messages, when that can update, the new message formed is then secondary route message, therefore the form of secondary route message is similar with the first route messages, and simply some parameters of the inside have passed through renewal.That is, secondary route message, which is the first equipment and the second equipment, carries out the result after uniformity negotiation.

It is easy to congestion occur generally, due to 3GPP network sides, therefore, the first route messages and The effect of two route messages should be that Business Stream is switched into non-3 GPP network side from 3GPP network sides as far as possible, and first route messages and secondary route message disposably one should be carried in Business Stream as much as possible be switched to non-3 GPP network side, because the Business Stream disposably switched is more, it is fewer in the signaling of 3GPP generation, it is more effective to alleviating 3GPP congestions.

Further, above-mentioned secondary route message also includes default route message name, acquiescence access style, acquiescence Business Stream numbering and acquiescence filter condition.

Alternatively, gateway carries out Business Stream shunting according to secondary route message, specifically includes：Filter criteria matches Business Stream of the gateway in secondary route message；If the match is successful, in the network that Business Stream is branched to the corresponding access style of filter condition；If it fails to match, Business Stream is branched in the corresponding network of acquiescence access style, wherein access style and acquiescence access style includes：WLAN non-3 gpp and third generation Partnership Program 3GPP networks.

Assuming that there is no a piece of news to match Business Stream 1 in secondary route message, then default route message name, acquiescence access style, acquiescence Business Stream numbering and acquiescence filter condition will be used Business Stream 1.Such as：Acquiescence access style is non-3 gpp, then Business Stream will be given tacit consent in access non-3 GPP network, this acquiescence access technology is all consistent for all Business Streams, and is not only applicable to the specific Business Stream of a certain bar, therefore can be used for the Business Stream that is not matched to any filter condition.

Alternatively, if the first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then gateway also sends congestion messages to the first equipment, so that five-tuple of first equipment in congestion messages or Business Stream, or service set (the Service Set Identifier of WLAN non-3 gpp, SSID the first route messages) are generated, therefore, first route messages are not a static messages, but the first equipment is according to congestion messages, one dynamic message of the generations such as five-tuple information, assuming that present first equipment is PCRF servers, in the prior art when congestion occur in 3GPP core nets, meeting mutual transmission overload control message (Overload Control Information) in the flow with GTP-C signalings between each network element, but the message can't be sent to PCRF, therefore PCRF cannot generate the first route messages according to congestion messages, first route messages are equivalent to the initial foundation that Business Stream is shunted, that is, nature will not carry out the dynamic shunt of follow-up Business Stream according to information such as congestion messages or five-tuples.

The embodiment of the present invention provides a kind of Business Stream shunt method, including：First, gateway receives the secondary route message that the second equipment is sent, and wherein secondary route message is the first route messages or is the second equipment to the first via by the message after information updating, and the first route messages are that the first equipment disappears according to congestion The service set SSID generations of breath five-tuple either in Business Stream or WLAN non-3 gpp, the first route messages carry route messages title, access style, Business Stream numbering and filter condition；Secondly, third generation Partnership Program 3GPP network side traffic flow points are flow to non-3 gpp side by gateway according to secondary route message, or non-3 gpp side business flow point is flow into 3GPP network sides.To sum up, the secondary route message after gateway is consulted according to the first equipment and the second equipment is effectively shunted to Business Stream, so as to improve the reliability of communication network.

Fig. 3 is a kind of flow chart for Business Stream shunt method that the embodiment of the present invention two is provided, the executive agent of this method is the first equipment, wherein first equipment can be user equipment (UE), or policy charging rule function PCRF servers, and this method includes following flow：

S301：First equipment obtains congestion messages, and congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business；

S302：First equipment generates the first route messages；

S303：First route messages are sent to the second equipment by the first equipment；

S304：First equipment receives the secondary route message that second equipment is sent by gateway；Wherein the first route messages carry route messages titles, access style, Business Stream numbering and filter condition, secondary route message be the first route messages or be the second equipment to the first via by the message after information updating, secondary route message is used for Business Stream shunting.

Alternatively, when the first equipment is user equipment (UE), then the second equipment is policy charging rule function PCRF servers；When the first equipment is policy charging rule function PCRF servers, then the second equipment is user equipment (UE).

A kind of situation, if first equipment is user equipment (UE), the second equipment is policy charging rule function PCRF servers, then first equipment obtains congestion messages, specifically includes：First equipment obtains the congestion messages that the gateway or second equipment are sent；Or, first equipment judges that network side whether there is congestion, and the congestion messages are obtained according to judged result.That is, UE can obtain congestion messages by display or implicit mode, display congestion messages can be：The term of validity (Period of Validity) and overload reset measurement (Overload Reduction Metric), the rear backoff timer (back_off timer) or UE that implicit congestion messages can send for UE according to MME control trend to judge that congestion occurs for 3GPP networks according to network side to the transmission access style of Business Stream, such as there is substantial amounts of Business Stream and transmitted by non-3 GPP network.

Generally, because 3GPP network sides are easy to congestion occur, therefore, the effect of first route messages and secondary route message should be that Business Stream is switched into non-3 GPP network side from 3GPP network sides as far as possible, and first route messages and secondary route message disposably one should be carried in Business Stream as much as possible be switched to non-3 GPP network side, it is fewer in the signaling of 3GPP generation because the Business Stream disposably switched is more, it is more effective to alleviating 3GPP congestions.

UE is obtained after congestion messages, and UE generates the first route messages according to congestion messages, the either five-tuple in Business Stream or the service set SSID of WLAN non-3 gpp, and wherein five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number.Certainly, UE can also generate the first route messages according to the message of other in system, and the present embodiment generates the method not limited to this of the first route messages.

Further, UE both can just be immediately generated the first route messages when knowing 3GPP network congestion message, then initiate the switching to currently existing Business Stream, and flow that can also be after is initiated to the current switching for having Business Stream again.

After UE generates the first route messages, this first route messages is sent to PCRF by session management flow.UE can send the first route messages by the following message in bearing modification flow, such as：WLAN control protocol (WLAN Control Protocol, abbreviation WLCP) network ambulant flowing (network-based flow mobility, abbreviation NB-IFOM) request (WLCP NB-IFOM Request), bearing resource order (Bearer resource Command), first route messages are sent to PCRF by IP connected references network (IP-Connectivity Access Network, abbreviation IP-CAN) session adjustment flow (IP-CAN Session Modification Procedure) message.Can certainly be other session management flows, such as：Newly-built carrying flow of carrying etc..

Further, UE receives the secondary route message that PCRF is sent, and the secondary route message is that UE and PCRF carries out the result after uniformity negotiation, then UE and gateway can carry out the shunting of Business Stream according to secondary route message.

Further, UE may determine that network congestion is released, such as：When the UE congestion messages received come from PCRF, then UE once has found that the term of validity (Period of Validity) timer overflows, then judge that 3GPP network congestions are released.When UE is the back_off timer implicit determination 3GPP network congestions that are sent according to MME, then UE should be overflowed by back_off timer judge that 3GPP network congestions are released.UE to the transmission of Business Stream according to network side if access class Type control trend (a large number of services stream is transmitted by non-3 gpp) judges that congestion occurs for 3GPP networks, then UE also should judge that 3GPP network congestions are released according to the trend (i.e. 3GPP service traffics recover normal) of the transmission access style of Business Stream.It should be noted that UE, which judges that 3GPP network congestions are released, should not influence the original effects of back_off timer.

Another situation, if first equipment is policy charging rule function PCRF servers, the second equipment is user equipment (UE), then first equipment obtains congestion messages, specifically includes：First equipment obtains the congestion messages that gateway is sent.Wherein the congestion messages can be：The term of validity (Period of Validity) and overload reset measurement (Overload Reduction Metric), the two parameters are the partial contents that gateway is sent in the premature beats information of the first equipment (Overload control Information), Period of Validity represent to estimate congestion duration, and Overload Reduction Metric can implicitly represent the degree of current network congestion.Therefore the two parameters can pass to PCRF as congestion reference information.It should be noted that：Network element in the event of signaling congestion is P-GW, then method of the invention is invalid, because even Business Stream is switched into WLAN, chain of command data still will be transmitted by P-GW, it is impossible to play the effect for alleviating congestion.It should be noted that：In the present embodiment, above-mentioned congestion messages are sent to PCRF method not limited to this by the present invention.

PCRF is obtained after congestion messages, and PCRF generates the first route messages according to congestion messages, the either five-tuple in Business Stream or the service set SSID of WLAN non-3 gpp, and wherein five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number.Certainly, PCRF can also generate the first route messages according to the message of other in system, and the embodiment of the present invention generates the method not limited to this of the first route messages.

Further, PCRF both can just be immediately generated the first route messages when knowing 3GPP network congestion message, then initiate the switching to currently existing Business Stream, and flow that can also be after is initiated to the current switching for having Business Stream again.

PCRF is generated after the first route messages, and this first route messages is sent into UE by session management flow.PCRF by IP connected references BlueDrama adjustment start (IP-CAN Session Modification Begin) or foundations/more new bearer request (Create/Update Bearer Request) or WLCP NB-IFOM request (WLCP NB-IFOM Request) message by the first via by message transmission to UE.UE, 3GPP can be notified to occur congestion simultaneously in the flow for transmitting the first route messages.The embodiment of the present invention sends the method not limited to this of the first route messages.The first route messages can also be sent by other session distances.

Further, PCRF receives the secondary route message that UE is sent, and the secondary route message is that UE and PCRF carries out the result after uniformity negotiation, then UE and gateway can carry out the shunting of Business Stream according to secondary route message.

Further, PCRF may determine that network congestion is released, PCRF will preserve congestion messages until 3GPP network congestions are released (i.e. Period of Validity timers overflow), and keep the tactful trend of follow-up secondary route message, i.e. because 3GPP network sides are easy to congestion occur, therefore, the effect of secondary route message should be that Business Stream is switched into non-3 GPP network side from 3GPP network sides as far as possible, and Business Stream as much as possible in a carrying disposably should be switched to non-3 GPP network side by secondary route message, because the Business Stream disposably switched is more, it is fewer in the signaling of 3GPP generation, it is more effective to alleviating 3GPP congestions.If network congestion is released (i.e. Period of Validity timers overflow), PCRF will return to normal work, the congestion messages of PCRF storages are removed, and the first route messages of PCRF generations are no longer tend to by non-3 gpp side transmitting business stream.

The embodiment of the present invention provides a kind of Business Stream shunt method, including：First, the first equipment obtains congestion messages, and the congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business；Secondly, the first equipment generates the first route messages, and the first route messages are sent into the second equipment；Then, the first equipment receives the secondary route message that the second equipment is sent by gateway；Wherein the first route messages carry route messages titles, access style, Business Stream numbering and filter condition, secondary route message be the first route messages or be the second equipment to the first via by the message after information updating, secondary route message is used for Business Stream shunting.To sum up, the first equipment generates the first route messages, and by consulting final acquisition secondary route message with the second equipment so that gateway can effectively be shunted according to secondary route message to Business Stream, so as to improve the reliability of communication network.

Fig. 4 is a kind of flow chart for Business Stream shunt method that the embodiment of the present invention three is provided, wherein the executive agent of this method is the second equipment, wherein second equipment can be user equipment (UE), or policy charging rule function PCRF servers, and this method includes following flow：

S401：Second equipment receives the first route messages that the first equipment is sent, and the first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；

S402：Second equipment sends secondary route message to gateway, so that gateway disappears according to secondary route Breath carry out Business Stream shunting, secondary route message be the first route messages or be the second equipment to the first via by the message after information updating.

Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

Above-mentioned S401 and S402 are substantially the process for the uniformity negotiation that the first equipment and the second equipment are carried out.

Alternatively, also include in first route messages：Agreement forbids item；

Second equipment forbids item to judge whether to update first route messages according to the agreement.

Specifically, can be user equipment (UE) according to the second equipment, or policy charging rule function PCRF servers, this method can be divided into two kinds of situations：

A kind of situation, if the second equipment is policy charging rule function PCRF servers, first equipment is user equipment (UE), then agreements of the PCRF in the first route messages received forbids item to judge whether to update the first route messages, agreement in wherein the first route messages forbids item to be 0 and 1, when this is 0, represent that the second equipment can not be updated to the first route messages, when this is 1, represent that the second equipment can be updated to the first route messages, when that can update, the new message formed is then secondary route message, therefore the form of secondary route message is similar with the first route messages, simply some parameters of the inside have passed through renewal.That is, secondary route message, which is the first equipment and the second equipment, carries out the result after uniformity negotiation.Secondary route message by following message can be transferred to UE by PCRF, such as：More new bearer request (Update bearer request), more new bearer response (Update bearer response) and WLCP NB-IFOM respond (WLCP NB-IFOM Response) message by secondary route message feedback to UE.

Another situation, if the second equipment is user equipment (UE), first equipment is policy charging rule function PCRF servers, then agreements of the UE in the first route messages received forbids item to judge whether to update the first route messages, agreement in wherein the first route messages forbids item to be 0 and 1, when this is 0, represent that the second equipment can not be updated to the first route messages, when this is 1, represent that the second equipment can be updated to the first route messages, when that can update, the new message of formation is then secondary route message.Wherein UE will be responded by WLCP NB-IFOM (WLCP NB-IFOM Response), foundation/more new bearer response (Create/Update Bearer Response) and the adjustment of IP connected references BlueDrama terminate (IP-CAN Session Modification End) message by secondary route message feedback to gateway and the first equipment.This completes the negotiation of the uniformity between the first equipment.So that end side and network side use same routing rule, i.e., carry out Business Stream shunting according to the information in secondary route message.

The present invention provides a kind of Business Stream shunt method, and wherein this method includes：Second equipment receives the first route messages that the first equipment is sent, and the first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Second equipment to gateway send secondary route message so that gateway according to secondary route message carry out Business Stream shunting, secondary route message be the first route messages or be the second equipment to the first via by the message after information updating.To sum up, the second equipment obtains secondary route message according to the first route messages so that gateway can effectively be shunted according to secondary route message to Business Stream, so as to improve the reliability of communication network.

The transmitting procedure of congestion messages, the first route messages and secondary route message in different session flows is described below：

Fig. 5 is the newly-built flow chart of dedicated bearing that the embodiment of the present invention four is provided, and the wherein carrying flow has and comprised the following steps：

S501：PCRF sends IP connected references BlueDrama to PGW and adjusts (IP-CAN Session Modification) message；

S502：PGW is sent to SGW creates carrying request (Create Bearer Request) message；

S503：SGW is sent to MME creates carrying request (Create Bearer Request) message；

S504：MME sends carrying to eNodeB and sets up request (Bearer Setup Response) message or session management request (Session Management Request) message；

S505：ENodeB sends RRC connections to UE and resets (RRC Connection Reconfiguration) message；

S506：UE sends RRC connections to eNodeB and resets completion (RRC Connection Reconfiguration Complete) message；

S507：ENodeB sends carrying to MME and sets up response (Bearer Setup Response) message；

S508：UE sends directly transmission (Direct Transfer) message to eNodeB；

S509：ENodeB sends session management response (Session Management Response) message to MME；

S510：MME is sent to SGW creates carrying response (Create Bearer Response) message；

S511：SGW is sent to PGW creates carrying response (Create Bearer Response) message；

S512：PGW sends IP connected references BlueDrama to PCRF and adjusts (IP-CAN Session Modification) message.

In the above-mentioned newly-built flow of dedicated bearing, PCRF is the first equipment described in the embodiment of the present invention, wherein PGW can adjust (IP-CAN Session Modification) message by the IP connected references BlueDrama in S512 and send congestion messages to PCRF, and wherein congestion messages can be：The term of validity (Period of Validity) and overload reset measurement (Overload Reduction Metric), that is IP connected references BlueDrama adjustment (IP-CAN Session Modification) message in S512 carries the two parameters, so that congestion messages can be passed to PCRF as congestion reference information.

Fig. 6 is that the UE that the embodiment of the present invention four is provided initiates se ce request procedure figure, wherein with comprising the following steps：

S601：UE sends service request (Service Request) message to eNodeB；

S602：ENodeB sends service request (Service Request) message to MME；

S603：Safety certification (Anthentication Security) message is set up between UE and MME, MME and HSS；

S604：MME sends initial context to eNodeB and sets up request (Initial Context Setup Request) message；

S605：UE sends radio bearer to eNodeB and sets up (Radio Bearer Establishment) message；

S606：UE sends upstream data (Uplink Data) message by eNodeB and SGW to PGW；

S607：ENodeB sends initial context to MME and sets up completion (Initial Context Setup Complete) message；

S608：MME sends modification carrying request (Modify Bearer Eequest) message to SGW；

S609：SGW sends modification carrying request (Modify Bearer Eequest) message to PGW；

S610：PCRF sends IP connected references BlueDrama to PGW and adjusts (IP-CAN Session Modification) message；

S611：PGW sends modification carrying response (Modify Bearer Response) message to SGW；

S612：SGW sends modification carrying response (Modify Bearer Response) message to MME.

Above-mentioned UE is initiated in se ce request procedure, PCRF is the first equipment described in the embodiment of the present invention, wherein PGW can adjust (IP-CAN Session Modification) message by the IP connected references BlueDrama in S610 and send congestion messages to PCRF, and wherein congestion messages can be：The term of validity (Period of Validity) and overload reset measurement (Overload Reduction Metric), that is IP connected references BlueDrama adjustment (IP-CAN Session Modification) message in S610 carries the two parameters, so that congestion messages can be passed to PCRF as congestion reference information.

Flow shown in Fig. 5 and Fig. 6 has been merely given as two examples that PGW sends congestion messages to PCRF, it is of course also possible to send congestion messages to PCRF by other session flows, the embodiment of the present invention is without limitation.

Fig. 7 is the Business Stream switching flow figure one that the PCRF that the embodiment of the present invention four is provided is initiated, wherein specifically including following flow：

S701：Connected in UE with being set up based on the same public services drift net PDN third generation Partnership Program 3GPP networks being connected and non-3 GPP network；

S702：HPCRF sends the adjustment of IP connected references BlueDrama to PGW and starts (IP-CAN Session Modification Begin) message；

S703：PGW sends foundation/more new bearer request (Create/Update Bearer Request) message to credible WLAN access network (Trusted Wireless Local Area Networks Access Network, abbreviation TWAN)；

S704：TWAN sends WLCP NB-IFOM to UE and asks (WLCP NB-IFOM Request) message；

S705：UE sends WLCP NB-IFOM to TWAN and responds (WLCP NB-IFOM Response) message；

S706：TWAN sends foundation/more new bearer response (Create/Update Bearer Response) message to PGW；

S707：PGW sends the adjustment of IP connected references BlueDrama to hPCRF and terminates (IP-CAN Session Modification End) message；

S708：The modification of 3GPP access bearers is set up between UE and hPCRF or is eliminated.

In above-mentioned flow, wherein hPCRF is equivalent to the first equipment in the present invention, UE is the second equipment, hPCRF generate the first route messages after, by this first route messages by IP connected references BlueDrama adjustment start (IP-CAN Session Modification Begin) or foundations/more new bearer request (Create/Update Bearer Request) or WLCP NB-IFOM request (WLCP NB-IFOM Request) message by the first via by message transmission to UE.UE will respond (WLCP NB-IFOM Response) by WLCP NB-IFOM, and foundation/more new bearer response (Create/Update Bearer Response) and the adjustment of IP connected references BlueDrama terminate (IP-CAN Session Modification End) message by secondary route message feedback to the first equipment.

Fig. 8 is the Business Stream switching flow figure two that the PCRF that the embodiment of the present invention four is provided is initiated, wherein specifically including following flow：

S801：Connected in UE with being set up based on the same public services drift net PDN third generation Partnership Program 3GPP networks being connected and non-3 GPP network；

S802：UE sends WLCP NB-IFOM to TWAN and asks (WLCP NB-IFOM Request) message；

S803：TWAN sends bearing resource order (Bearer resource Command) to PGW；

S804：IP connected references network (IP-Connectivity Access Network, abbreviation IP-CAN) session adjustment flow (IP-CAN Session Modification Procedure) is set up between PGW and hPCRF；

S805：PGW sends more new bearer request (Update Bearer Request) to TWAN；

S806：TWAN sends more new bearer response (Update bearer response) to PGW；

S807：TWAN sends WLCP NB-IFOM to UE and responds (WLCP NB-IFOM Response) message；

S808：Non-3 gpp specific resources modification (Non-3GPP Specific Resource Modification) message is set up between UE and TWAN；

S809：Grouping system (Evolved Packet System, abbreviation EPS) resource release of 3GPP evolution is set up between UE and HSS/AAA or is changed.

In above-mentioned flow, wherein UE is equivalent to the first equipment in the present invention, hPCRF is the second equipment, then the first route messages of UE generations are sent to hPCRF by (WLCP NB-IFOM Request) message, bearing resource order (Bearer resource Command) and (IP-CAN Session Modification Procedure), and then hPCRF responds (WLCP NB-IFOM Response) message by secondary route message feedback to UE by more new bearer request (Update bearer request) and WLCP NB-IFOM.

In summary, Business Stream shunt method provided in an embodiment of the present invention includes：First equipment generates the first route messages, is subsequently transmitted to the second equipment, and the second equipment determines to obtain secondary route message according to the first route messages so that UE and gateway finally carry out Business Stream shunting according to secondary route message.Because the first route messages and secondary route message take into account the useful information in congestion messages either Business Stream, so that Business Stream shunting is more efficient, rationally, and then the reliability of communication system ensure that.

Fig. 9 is a kind of structural representation for business flow branching device that the embodiment of the present invention five is provided, and wherein the business flow branching device is gateway, including：Receiving module 901, for receiving the secondary route message that the second equipment is sent, wherein described secondary route message be the first route messages or be second equipment to the first via by the message after information updating, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Processing unit 902, for third generation Partnership Program 3GPP network side traffic flow points to be flow into non-3 gpp side according to secondary route message, or flow to 3GPP network sides by non-3 gpp side business flow point；Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

Alternatively, the secondary route message also include default route message name, acquiescence access style, Give tacit consent to Business Stream numbering and acquiescence filter condition.

The processing module 902, specifically for：According to the filter criteria matches Business Stream in the secondary route message；If the match is successful, in the network that the Business Stream is branched to the corresponding access style of the filter condition；If it fails to match, the Business Stream is branched in the corresponding network of the acquiescence access style, wherein the access style and the acquiescence access style include：WLAN non-3 gpp and third generation Partnership Program 3GPP networks.

If first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the gateway also includes：Sending module 903, for sending the congestion messages to first equipment.

The business flow branching device of the present embodiment, can be used for the technical scheme for performing embodiment of the method shown in Fig. 2, and its implementing principle and technical effect is similar, and here is omitted.

Figure 10 is a kind of structural representation for business flow branching device that the embodiment of the present invention six is provided, and the device is equivalent to the first equipment in the present invention, and it includes：Acquisition module 1001, for obtaining congestion messages, the congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business；Generation module 1002, for generating the first route messages；Sending module 1003, for first route messages to be sent into the second equipment；Receiving module 1004, for receiving the secondary route message that second equipment is sent by gateway；The wherein described first via carries route messages title, access style, Business Stream numbering and filter condition by message, the secondary route message is first route messages or is second equipment to the first via by the message after information updating, and the secondary route message is shunted for Business Stream.

Alternatively, the business flow branching device is user equipment (UE), and second equipment is policy charging rule function PCRF servers；Or, the business flow branching device is policy charging rule function PCRF servers, and second equipment is user equipment (UE).

Further, if the business flow branching device is user equipment (UE), the second equipment is policy charging rule function PCRF servers, then the acquisition module 1001, specifically for：Obtain the congestion messages that the gateway or second equipment are sent；Or, judge that network side whether there is congestion, The congestion messages are obtained according to judged result.

The device also includes：Processing module 1005, for carrying out Business Stream shunting according to the secondary route message.

If the business flow branching device is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the acquisition module 1001, specifically for：Obtain the congestion messages that the gateway is sent.

Alternatively, the generation module 1002, specifically for：According to the congestion messages, either the five-tuple in Business Stream or the service set SSID of WLAN non-3 gpp generate first route messages, wherein the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number.

The business flow branching device of the present embodiment, can be used for the technical scheme for performing embodiment of the method shown in Fig. 3, and its implementing principle and technical effect is similar, and here is omitted.

Figure 11 is a kind of structural representation for business flow branching device that the embodiment of the present invention seven is provided, and the device is equivalent to the second equipment in the present invention, and it includes：Receiving module 1101, for receiving the first route messages that the first equipment is sent, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Sending module 1102, for sending secondary route message to gateway, so that the gateway according to the secondary route message carry out Business Stream shunting, the secondary route message be first route messages or be second equipment to the first via by the message after information updating；Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

Alternatively, also include in first route messages：Agreement forbids item；Then the business flow branching device also includes：Judge module 1103；For forbidding item to judge whether to update first route messages according to the agreement.

The business flow branching device of the present embodiment, can be used for the technical scheme for performing embodiment of the method shown in Fig. 4, and its implementing principle and technical effect is similar, and here is omitted.

Figure 12 is a kind of structural representation for business flow branching device that the embodiment of the present invention eight is provided, The device is gateway, including：Receiver 1201, for receiving the secondary route message that the second equipment is sent, wherein described secondary route message be the first route messages or be second equipment to the first via by the message after information updating, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Processor 1202, for third generation Partnership Program 3GPP network side traffic flow points to be flow into non-3 gpp side according to secondary route message, or flow to 3GPP network sides by non-3 gpp side business flow point；Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

Alternatively, the secondary route message also includes default route message name, acquiescence access style, acquiescence Business Stream numbering and acquiescence filter condition.

Alternatively, the processor 1202, specifically for：According to the filter criteria matches Business Stream in the secondary route message；If the match is successful, in the network that the Business Stream is branched to the corresponding access style of the filter condition；If it fails to match, the Business Stream is branched in the corresponding network of the acquiescence access style, wherein the access style and the acquiescence access style include：WLAN non-3 gpp and third generation Partnership Program 3GPP networks.

Wherein, first equipment is user equipment (UE), and second equipment is policy charging rule function PCRF servers；Or, first equipment is policy charging rule function PCRF servers, and second equipment is user equipment (UE).

Further, if first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the gateway also includes：Transmitter 1203, for sending the congestion messages to first equipment.

Figure 13 is a kind of structural representation for business flow branching device that the embodiment of the present invention nine is provided, including：Processor 1301, for obtaining congestion messages, the congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business；The processor 1301, is additionally operable to generate the first route messages；Transmitter 1302, for first route messages to be sent into the second equipment；Receiver 1303, for receiving the secondary route message that second equipment is sent by gateway；The wherein described first via carries route messages title, access style, Business Stream numbering and filter condition by message, the secondary route message is first route messages or is second equipment to the first via by the message after information updating, and the secondary route message is shunted for Business Stream.

Further, if the business flow branching device is user equipment (UE), the second equipment is policy charging rule function PCRF servers, then the processor 1301, specifically for：Obtain the congestion messages that the gateway or second equipment are sent；Or, judge that network side whether there is congestion, the congestion messages are obtained according to judged result.Processor 1301 is used to carry out Business Stream shunting according to the secondary route message.

If the business flow branching device is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the processor 1301, specifically for：Obtain the congestion messages that the gateway is sent.

Alternatively, the processor 1301, specifically for：According to the congestion messages, either the five-tuple in Business Stream or the service set SSID of WLAN non-3 gpp generate first route messages, wherein the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number.

Figure 14 is a kind of structural representation for business flow branching device that the embodiment of the present invention ten is provided, including：Receiver 1401, for receiving the first route messages that the first equipment is sent, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；Transmitter 1402, for sending secondary route message to gateway, so that the gateway according to the secondary route message carry out Business Stream shunting, the secondary route message be first route messages or be second equipment to the first via by the message after information updating；Wherein described congestion messages are used to indicate the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections with the outflow of non-3 GPP network side business now Congestion, the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.

Alternatively, also include in first route messages：Agreement forbids item；Then the business flow branching device also includes：Processor 1403；For forbidding item to judge whether to update first route messages according to the agreement.

The business flow branching device of the present embodiment, can be used for the technical scheme for performing embodiment of the method shown in Fig. 5, and its implementing principle and technical effect is similar, and here is omitted.

One of ordinary skill in the art will appreciate that：Realizing all or part of step of above-mentioned each method embodiment can be completed by the related hardware of programmed instruction.Foregoing program can be stored in a computer read/write memory medium.The program upon execution, performs the step of including above-mentioned each method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.

Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.

Claims

A kind of Business Stream shunt method, it is characterised in that including：

Gateway receives the secondary route message that the second equipment is sent, wherein described secondary route message be the first route messages or be second equipment to the first via by the message after information updating, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；

Third generation Partnership Program 3GPP network side traffic flow points are flow to non-3 gpp side by the gateway according to the secondary route message, or non-3 gpp side business flow point is flow into 3GPP network sides；

Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.
According to the method described in claim 1, it is characterised in that the secondary route message also includes default route message name, acquiescence access style, acquiescence Business Stream numbering and acquiescence filter condition.
Method according to claim 2, it is characterised in that the gateway carries out Business Stream shunting according to the secondary route message, specifically includes：

Filter criteria matches Business Stream of the gateway in the secondary route message；

If the match is successful, in the network that the Business Stream is branched to the corresponding access style of the filter condition；

If it fails to match, the Business Stream is branched in the corresponding network of the acquiescence access style, wherein the access style and the acquiescence access style include：WLAN non-3 gpp and third generation Partnership Program 3GPP networks.
Method according to claim any one of 1-3, it is characterised in that first equipment is user equipment (UE), second equipment is policy charging rule function PCRF servers；Or,

First equipment is policy charging rule function PCRF servers, and second equipment is user equipment (UE).
Method according to claim 4, it is characterised in that also include：

If first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the gateway also sends the congestion messages to first equipment.
A kind of Business Stream shunt method, it is characterised in that including：

First equipment obtains congestion messages, and the congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business；

First equipment generates the first route messages；

First route messages are sent to the second equipment by first equipment；

First equipment receives the secondary route message that second equipment is sent by gateway；

The wherein described first via carries route messages title, access style, Business Stream numbering and filter condition by message, the secondary route message is first route messages or is second equipment to the first via by the message after information updating, and the secondary route message is shunted for Business Stream.
Method according to claim 6, it is characterised in that first equipment is user equipment (UE), second equipment is policy charging rule function PCRF servers；Or,

First equipment is policy charging rule function PCRF servers, and second equipment is user equipment (UE).
Method according to claim 7, it is characterised in that if first equipment is user equipment (UE), the second equipment is policy charging rule function PCRF servers, then first equipment obtains congestion messages, specifically includes：

First equipment obtains the congestion messages that the gateway or second equipment are sent；Or,

First equipment judges that network side whether there is congestion, and the congestion messages are obtained according to judged result.
Method according to claim 8, it is characterised in that also include：First equipment carries out Business Stream shunting according to the secondary route message.
Method according to claim 7, it is characterised in that if first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then first equipment obtains congestion messages, specifically includes：

First equipment obtains the congestion messages that the gateway is sent.
Method according to claim any one of 6-10, it is characterised in that first equipment generates the first route messages, specifically includes：

First equipment is according to the congestion messages, the either five-tuple in Business Stream or wirelessly The service set SSID of LAN non-3 gpp generates first route messages, wherein the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number.
A kind of Business Stream shunt method, it is characterised in that including：

Second equipment receives the first route messages that the first equipment is sent, and first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；

Second equipment sends secondary route message to gateway, so that the gateway according to the secondary route message carry out Business Stream shunting, the secondary route message be first route messages or be second equipment to the first via by the message after information updating；

Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.
Method according to claim 12, it is characterised in that also include in first route messages：Agreement forbids item；

Second equipment forbids item to judge whether to update first route messages according to the agreement.
A kind of business flow branching device, it is characterised in that including：

Receiving module, for receiving the secondary route message that the second equipment is sent, wherein described secondary route message be the first route messages or be second equipment to the first via by the message after information updating, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；

Processing unit, for third generation Partnership Program 3GPP network side traffic flow points to be flow into non-3 gpp side according to secondary route message, or flow to 3GPP network sides by non-3 gpp side business flow point；

Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business, and the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.
Device according to claim 14, it is characterised in that the secondary route message also includes default route message name, acquiescence access style, acquiescence Business Stream numbering and acquiescence filter condition.
Device according to claim 15, it is characterised in that the processing module, specifically for：

According to the filter criteria matches Business Stream in the secondary route message；

If the match is successful, in the network that the Business Stream is branched to the corresponding access style of the filter condition；

If it fails to match, the Business Stream is branched in the corresponding network of the acquiescence access style, wherein the access style and the acquiescence access style include：WLAN non-3 gpp and third generation Partnership Program 3GPP networks.
Device according to claim any one of 14-16, it is characterised in that first equipment is user equipment (UE), second equipment is policy charging rule function PCRF servers；Or,

First equipment is policy charging rule function PCRF servers, and second equipment is user equipment (UE).
Device according to claim 17, it is characterised in that

If first equipment is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the gateway also includes：

Sending module, for sending the congestion messages to first equipment.
A kind of business flow branching device, it is characterised in that including：

Acquisition module, for obtaining congestion messages, the congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion with non-3 GPP network side business；

Generation module, for generating the first route messages；

Sending module, for first route messages to be sent into the second equipment；

Receiving module, for receiving the secondary route message that second equipment is sent by gateway；

The wherein described first via carries route messages title, access style, Business Stream numbering and filter condition by message, the secondary route message is first route messages or is second equipment to the first via by the message after information updating, and the secondary route message is shunted for Business Stream.
Device according to claim 19, it is characterised in that the business flow branching device is user equipment (UE), second equipment is policy charging rule function PCRF servers；Or,

The business flow branching device is policy charging rule function PCRF servers, and second equipment is user equipment (UE).
Device according to claim 20, it is characterised in that if the business flow branching device is user equipment (UE), the second equipment is policy charging rule function PCRF servers, then the acquisition module, specifically for：

Obtain the congestion messages that the gateway or second equipment are sent；Or,

Judge that network side whether there is congestion, the congestion messages are obtained according to judged result.
Device according to claim 21, it is characterised in that also include：Processing module, for carrying out Business Stream shunting according to the secondary route message.
Device according to claim 20, it is characterised in that if the business flow branching device is policy charging rule function PCRF servers, second equipment is user equipment (UE), then the acquisition module, specifically for：Obtain the congestion messages that the gateway is sent.
Device according to claim any one of 19-23, it is characterised in that the generation module, specifically for：

According to the congestion messages, either the five-tuple in Business Stream or the service set SSID of WLAN non-3 gpp generate first route messages, wherein the five-tuple includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number.
A kind of business flow branching device, it is characterised in that including：

Receiving module, for receiving the first route messages that the first equipment is sent, first route messages generate for the service set SSID of five-tuple or WLAN non-3 gpp of first equipment in congestion messages either Business Stream；

Sending module, for sending secondary route message to gateway, so that the gateway according to the secondary route message carry out Business Stream shunting, the secondary route message be first route messages or be second equipment to the first via by the message after information updating；

Wherein described congestion messages are used to indicate that the third generation Partnership Program 3GPP network sides based on same public services drift net PDN connections to flow out existing congestion, described five yuan with non-3 GPP network side business Group includes：Source Internet protocol IP address, source port, purpose IP address, destination interface, and transport layer protocol number, first route messages carry route messages title, access style, Business Stream numbering and filter condition.
Device according to claim 25, it is characterised in that also include in first route messages：Agreement forbids item；

Then the business flow branching device also includes：Judge module；

The judge module, for forbidding item to judge whether to update first route messages according to the agreement.