CN105812257A - Business chain router management system and use method thereof - Google Patents
Business chain router management system and use method thereof Download PDFInfo
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- CN105812257A CN105812257A CN201410848240.7A CN201410848240A CN105812257A CN 105812257 A CN105812257 A CN 105812257A CN 201410848240 A CN201410848240 A CN 201410848240A CN 105812257 A CN105812257 A CN 105812257A
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Abstract
The invention discloses a business chain router management system and a use method thereof. A business chain router management function 10 is used for configuring a business forwarding device with a business forwarding table and a business chain path table. The business chain path table comprises a business list, which is adopted by the business forwarding device in order to process the received user data packages, and the business forwarding table comprises the forwarding path of transmitting the business data packages to business function of providing the to-be-processed business, when the business forwarding device is used to determine every to-be-processed business according to the business chain path table. The business forwarding device 20 is used to acquire every to-be-processed business according to the business chain path table, and is used to transmit the user data packages to the business function of providing the to-be-processed business according to the business forwarding table. The business function 30 is used for the business processing of the user data packages. According to the technical scheme provided by the invention, the system can be used to generate the business forwarding table automatically, and the automatic management of the business router can be realized.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of business chain route management system and using method thereof.
Background technology
In operator's existing network, service server (such as: network address translation (NAT), depth data bag detection (DPI), encoding and decoding, compression) is connected on the transmit path, this makes business chain and transmission network close coupling, and amendment business chain usually needs amendment transmission network topological structure.The configuration of this complexity makes to increase or revise business chain and becomes particularly complicated.And, restriction due to configuration, in existing network, operator generally only configures one or several little business chain, business datum can flow through all service servers in the business chain configured in a fixed order, even if business datum need not be processed by this service server, thereby increase the load of service server, and also add the propagation delay time of data.In this framework, business chain combination is dumb, increases or the configuration mode of amendment service server is complicated, and it is unfavorable for carrying out of innovative service.
Internet Engineering Task group (IETF) business function chain (SFC) is organized altogether and is discussed how can support business chain more neatly.Fig. 1 is the schematic diagram of the business chain infrastructure component according to the ietf definition in correlation technique.As it is shown in figure 1, the most basic target of SFC is by business chain and network topology decoupling.In the framework of ietf definition, Business Stream can be classified and select business chain path by business grader (ServiceClassifier), and business data packet is carried out business chain encapsulation.Business data packet after encapsulation is processed by the multiple service servers in business chain in order.Business chain encapsulation (encapsulates referred to as SFC) and is not used in data transmission, and the transmission of data can rely on outer layer packet header, so can by business chain and network topology decoupling.And increase new service server and only need to increase service server to the link between business transponder, thus with other service server decouplings (it is star framework), also with transmission network decoupling.
Business function may need some with user-dependent information when processes user data package, for instance: the information such as ID, the access network state of user, the rank of user and authority.These information are referred to as customer service configuration parameter.Business function can determine how user data package to be processed according to customer service configuration parameter.Such as: when the access network of user occurs congested, business function can decide whether to adopt specific compression technology that user data package is compressed according to this information.
In the related, service link by being sent to business transponder by the mode of human configuration, but, this mode underaction, and network automatically cannot be realized.
Summary of the invention
Embodiments provide a kind of business chain route management system and using method thereof, by least solve correlation technique adopts by human configuration in the way of service link is lacked motility and the problem that cannot realize network automatically by sending to business transponder.
According to an aspect of the invention, it is provided a kind of business chain route management system.
Business chain route management system according to embodiments of the present invention includes: business chain routing management function, for for business transponder configuration service forward table and business chain routing table, wherein, it is process the service lists that the user data package that receives is passed that business chain routing table includes business transponder, and business forward table includes business transponder and business data packet sends when determining each pending business according to business chain routing table the forward-path of the business function to the business providing this pending；Business transponder, for obtaining each pending business according to business chain routing table, and sends user data package to the business function providing this pending business according to business forward table；Business function, for carrying out Business Processing to user data package.
Preferably, said system also includes: gateway forwards face, for sending user data package to business transponder, wherein, according to customer service chain classifying rules, user data package being classified, and add business chain head in user data package, business chain head includes business chain mark.
Preferably, said system also includes: gateway controller, for gateway forwards face is configured.
Preferably, said system also includes: customer service chain policy management capability, for managing the strategy corresponding with customer service chain.
Preferably, said system also includes: software defined network SDN controller, for providing southbound interface that gateway forwards face and business transponder are controlled for gateway controller, customer service chain policy management capability and business chain routing management function.
According to a further aspect in the invention, it is provided that the using method of a kind of business chain route management system.
The using method of business chain route management system according to embodiments of the present invention includes: business chain routing management function receives the first information set coming from business function, wherein, first information set includes at least one of: the business transponder information that the ability information of business function, the information on load of business function, business function connect；And/or, business chain routing management function receives the second information aggregate coming from business transponder, wherein, the second information aggregate includes at least one of: neighbor information, self information, and neighbor information includes: other business transponder information being joined directly together with business transponder；Business chain routing management function is business transponder configuration service forward table according to first information set and/or the second information aggregate.
Preferably, the business transponder information that business function connects is one below: two layers of link information of the business transponder connected, the internet protocol address of the business transponder connected, the logical name of business transponder that connects.
Preferably, ability information includes: business function support type of service, business function capacity.
Preferably, other business transponder information being joined directly together with business transponder are one below: two layers of link information of other business transponders, the three layers of IP address information of other business transponders, other business transponders logical name.
Preferably, business chain routing management function is that business transponder configuration service forward table includes according to first information set and/or the second information aggregate: business chain routing management function is that business transponder calculates business forward table according to first information set and/or the second information aggregate；Business forward table and business chain routing table are sent to business transponder by business chain routing management function via software defined network SDN controller, and wherein, business chain routing table is the form being pre-configured with.
Preferably, after business chain routing management function is business transponder configuration service forward table and business chain routing table according to first information set and/or the second information aggregate, also include: business chain routing management function receives the load variations event that business function reports, wherein, load variations event is to trigger when the load of business function changes and exceedes default load threshold value that business chain routing management function sets；Business chain routing management function is business transponder configuration service forward table again according to load variations event.
According to another aspect of the invention, it is provided that the using method of a kind of business chain route management system.
The using method of business chain route management system according to embodiments of the present invention includes: business transponder receives the business forward table and the business chain routing table that come from business chain routing management function, wherein, it is process the service lists that the user data package that receives is passed that business chain routing table includes business transponder, and business forward table includes business transponder and business data packet sends when determining each pending business according to business chain routing table the forward-path of the business function to the business providing this pending；Business transponder adopts business forward table and business chain routing table that the user data package got is route.
Preferably, business transponder adopts business forward table and business chain routing table user data package to be carried out route and includes: business transponder identifies according to the business chain in user data package and business pointer obtain successively from the table of service link footpath continuously across multiple business names, and obtain the routing information of the business function that service is provided according to each business name inquiry business forward table；Utilize the routing information corresponding with each business name that user data package is forwarded successively.
Pass through the embodiment of the present invention, adopt business chain routing management function, for for business transponder configuration service forward table and business chain routing table, wherein, it is process the service lists that the user data package that receives is passed that business chain routing table includes business transponder, and business forward table includes business transponder and business data packet sends when determining each pending business according to business chain routing table the forward-path of the business function to the business providing this pending；Business transponder, for obtaining each pending business according to business chain routing table, and sends user data package to the business function providing this pending business according to business forward table；Business function, for user data package is carried out Business Processing, solve correlation technique adopts by the mode of human configuration, service link is lacked motility and the problem that cannot realize network automatically by sending to business transponder, and then system can automatically generate business forward table, to realize the automated management of business route.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the business chain infrastructure component according to the ietf definition in correlation technique；
Fig. 2 is the structured flowchart of business chain route management system according to embodiments of the present invention；
Fig. 3 is the structural representation of business chain route management system according to the preferred embodiment of the invention；
Fig. 4 is the networking topology schematic diagram of gateway forwards face, business transponder, business function according to the preferred embodiment of the invention；
Packet schematic diagram when Fig. 5 is to communicate between gateway forwards face and business transponder according to the preferred embodiment of the invention；
Fig. 6 is the flow chart of the using method of business chain route management system according to embodiments of the present invention；
Fig. 7 is the flow chart of the using method of another kind of business chain route management system according to embodiments of the present invention；
Fig. 8 is that business transponder is registered to the flow chart of business chain routing management module according to the preferred embodiment of the invention；
Fig. 9 is that business transponder carries out, when nullifying and between business chain routing management module, the flow chart that information is mutual according to the preferred embodiment of the invention；
Figure 10 is information interaction diagrams between business function and business chain routing management module according to the preferred embodiment of the invention.
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments.It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Fig. 2 is the structured flowchart of business chain route management system according to embodiments of the present invention.As shown in Figure 2, this business chain route management system may include that business chain routing management function 10, for for business transponder configuration service forward table and business chain routing table, wherein, it is process the service lists that the user data package that receives is passed that business chain routing table includes business transponder, and business forward table includes business transponder and business data packet sends when determining each pending business according to business chain routing table the forward-path of the business function to the business providing this pending；Business transponder 20, for obtaining each pending business according to business chain routing table, and sends user data package to the business function providing this pending business according to business forward table；Business function 30, for carrying out Business Processing to user data package.
What adopt in correlation technique lacks motility and cannot realize network automatically by service link by sending to business transponder by the mode of human configuration.Adopt system as shown in Figure 2, it is possible to make business function, business transponder automatically report neighbor information and the ability information of self, thus system can automatically generate business forward table, to realize the automated management of business route.
As a preferred embodiment of the present invention, Fig. 3 is the structural representation of business chain route management system according to the preferred embodiment of the invention.As it is shown on figure 3, gateway controller 40, it is used for configuring gateway forwards face, for instance: the tunnel information in user face and customer service chain classifying rules are sent to gateway forwards face.Customer service chain policy management capability 50, for managing the strategy relevant to customer service chain, for instance: configure customer service chain classifying rules for business grader, configure customer service configuration parameter etc. for business function.The management of business chain policy management capability is user-dependent business chain strategy.Business chain routing management function 10, for managing the annexation between business function, business function and business transponder and the load sharing between the many examples of responsible business function, for business transponder configuration service forward table and business chain routing table.Gateway forwards face 60, be responsible for user data package forwarding, and according to customer service chain classifying rules by user data package classify, and in user data package supplementary service chain head, wherein it is possible to include but not limited to: business chain identify.Business transponder 20, be responsible for identifying according to the business chain in user data package, the user data package currently information inquiry business chain routing table such as location in business chain, obtain next pending business of this user data package, and inquiry business forward table obtains the forward-path of corresponding business function, then send data packets to this business function again.Business function 30, is responsible for user data package is carried out the process that business is relevant, for instance: encoding and decoding, NAT, father and mother's control etc..Processing procedure to user data package may use the customer service configuration parameter of this user.SDN controller, is responsible for the centralized and unified control to bottom forwarding unit, the interface simultaneously called to upper-layer service offer network capabilities.Gateway controller, customer service chain policy management capability, business chain routing management function are the application on SDN controller 70, and these application can control the forwarding unit of lower floor by the SDN southbound interface provided, including: gateway forwards face and business transponder.
In above-mentioned framework, business classification can carry out in gateway forwards face, and therefore, customer service chain policy management capability can classify it into rule by gateway controller and send to gateway forwards face.User data package is classified by gateway forwards face further according to business classifying rules, and adds corresponding business chain mark and other parameters, for instance: customer service configuration index etc..In implementing process, the strategy that customer service chain policy management capability can be passed through to strengthen in third generation partner program (3GPP) network realizes with charging rule functions (PolicyandChargingRuleFunction, referred to as PCRF).Interface between customer service chain policy management capability and gateway controller can be realized by extension Gx interface, increases the content that business classifying rules is relevant on original Gx interface.SDN control unit interface can be passed through between gateway controller and gateway forwards face.
Above-mentioned business classifying rules can include but not limited to: customer service chain stream description, business chain mark, other options, for instance: customer service configuration index.The user data package received can be mated by gateway forwards face with the customer service chain stream description in business classifying rules；If the match is successful, in user data package, then add the information such as business chain mark, business pointer, other options, wherein business chain mark is used for identifying a logic business chain unrelated with user, business pointer is the position that user data package is arranged in current business chain, that is, the business being currently located is pointed to.
In order to support by controlling channel transfer customer service configuration parameter, customer service chain policy management capability and business function interface, in order to by this interface, customer service configuration parameter is sent to business function.Interface between customer service chain policy management capability and business function can adopt the mode of extension Sd interface or extension Rx interface to realize.
Customer service chain policy management capability sends can include but not limited to following parameter to the customer service configuration parameter of business function:
(1) business configuration parameter: business function processes the parameter required for the business data packet of customer service chain, for instance: ID, radio congestion state, user class.
(2) business chain mark: be used for identifying logic business chain.
Alternatively, customer service configuration parameter indexes, and for quick search business configuration parameter, can be found the customer service configuration parameter of correspondence rapidly by this customer service configuration parameter index, it is possible to it is modified or deletion action.
Alternatively, customer service configuration parameter can also include: customer service chain stream description, this customer service chain stream description is for describing the business data flow feature of this business chain of this user, and it at least may include that Internet protocol (IP) address of this user.In customer service configuration parameter, increase customer service chain stream description can be effectively prevented from business grader and be additionally implemented for business configuration parameter reference in user data package.When the bag length of user data package is shorter, bag efficiency of transmission can be reduced by increasing new field；And when user data package is longer, packet fragmentation can be caused again by increasing newer field.Therefore, for increasing field as little as possible in user data package, customer service configuration parameter addition of customer service chain stream description, the user data package received is mated by business function with this customer service chain stream description, when the match is successful, business configuration parameter corresponding to above-mentioned customer service chain stream description is the business configuration parameter that this user data package is corresponding, and user data package is processed by business function by this customer service configuration parameter of use.If the business data packet of user is mated with a plurality of customer service chain stream description, then select corresponding business configuration data by longest match principle, and utilize business configuration parameter that the business data packet of user is processed.
As another preferred embodiment of the present invention, Fig. 4 is the networking topology schematic diagram of gateway forwards face, business transponder, business function according to the preferred embodiment of the invention.As shown in Figure 4, the business transponder that the configuration of gateway forwards face is default, gateway forwards face sends passing through the user data package classifying and with the addition of business chain head to this default business transponder.Both can be joined directly together by two layers of link between gateway forwards face and business transponder, it is also possible to be connected by IP tunnel.Gateway forwards face configures the forward-path of default service transponder: when the two is connected by two layers of link, its forward-path is two layer tunnel；When the two is connected by three layers link, its forward-path is three layer tunnel.
Packet schematic diagram as another preferred embodiment of the present invention, when Fig. 5 is to communicate between gateway forwards face and business transponder according to the preferred embodiment of the invention.As it is shown in figure 5, add business chain head (or being added in user data package) before original user data bag, this business chain head can comprise: the information such as business chain mark, business pointer, other options.The above-mentioned user data package that with the addition of business chain head is encapsulated in two layer tunnel or three layer tunnel further according to the forward-path of the business transponder of configuration by gateway forwards face, the address that the destination address (two layers or three layers) of two layers/three layer tunnel is business transponder.
As shown in Figure 4 above, a business transponder can be connected with one or more business functions, and these business functions can support identical or different type of service.Can there is one or more business transponder in a network, and can be joined directly together by two layers of link or be connected by three layer tunnel between business transponder.When the business transponder that specific transactions function is configured by gateway forwards face is unreachable, then by two layers between business transponder or three layers link, user data package can be forwarded to the business transponder being connected with business function, and by this business transponder, user data package be sent to business function.In above-mentioned Fig. 4, if the user data package sent from gateway forwards face 1 needs the process through business function 4, then business transponder 1 needs to be sent to business transponder 3 user data package by business transponder 2, then is sent user data package to business function 4 by business transponder 3.
In a preferred embodiment, in business transponder, storage has two forms: business chain routing table and business forward table.
Table 1 is business chain routing table.As shown in table 1:
Table 1
Business chain routing table is the form of relative quiescent, and what wherein store is the orderly combinations of services in logic business chain, namely belongs to the ordered list of a series of business of all packets need processes of this logic business chain.The service lists that business transponder to pass through according to this user data package of business chain identifier lookup in user data package, and need business name to be processed according to the business pointer lookup next one in user data package.Then, business transponder searches business forward table further according to business name, to obtain, this packet is sent the forward-path to the business function providing this business.
Table 2 is business forward table.As shown in table 2:
Table 2
What business forward table stored is the forward-path of specific transactions, i.e. the information of the business function that specific transactions is corresponding, i.e. from business transponder to the two of this business function layers or three layer tunnel information.When the corresponding multiple business function example of a business, in this routing table, also storage has the stressor of each business function, and this stressor indicates the package processing capability of this business function example.Business transponder determines the ratio of the task amount distributed to this business function according to this stressor.Such as: in above-mentioned Fig. 4, business 1 is provided service by business function 11 and 12 two examples of business function, and business function 11 is all connected with business transponder 1 with business function 12.Business forward-path information in the business 1 service path table in business transponder 1 is as follows:
Business 1, down hop: business function 11, stressor 0.4；
Business 1, down hop: business function 12, stressor 0.6；
Business transponder 1 receive need user data package that business 1 processes time, find the business forward-path information of above-mentioned business 1, business transponder can select business function 11 to service for this user data package according to stressor, and user data package is forwarded to business function 11 by two layers or three layer tunnel by business transponder.
When specific transactions function requires over the forwarding of other business transponders, the information that forward-path information is down hop business transponder of the business of storage in business forward table.Such as: in above-mentioned Fig. 4, in business transponder 1, the forward-path information of the relevant business 4 provided by business function 4 of storage is:
Business 4, down hop: business transponder 2；
In business transponder 2, the forward-path information of the business 4 of storage is:
Business 4, down hop: business transponder 3；
In business transponder 3, the forward-path information of the business 4 of storage is:
Business 4, down hop: business function 4；
When the user data package sent from gateway forwards face 1 needs the process through business 4, the business transponder next hop information according to business 4, user data package is first encapsulated in and sends to business transponder 2 in two layers of business transponder 2 or three layer tunnel；When packet arrives business transponder 2, the next hop information of business 4 searched by business transponder 2, user data package is encapsulated in and sends to business transponder 3 in two layers of business transponder 3 or three layer tunnel；Business function 4 and business transponder 3 are joined directly together, and data envelope is contained in and sends to business function 4 in the tunnel of business function 4 by business transponder 3.
Fig. 6 is the flow chart of the using method of business chain route management system according to embodiments of the present invention.As shown in Figure 6, the method can include following process step:
Step S602: business chain routing management function receives the first information set coming from business function, wherein, first information set includes at least one of: the business transponder information that the ability information of business function, the information on load of business function, business function connect；And/or, business chain routing management function receives the second information aggregate coming from business transponder, wherein, the second information aggregate includes at least one of: neighbor information, self information, and neighbor information includes: other business transponder information being joined directly together with business transponder；
Step S604: business chain routing management function is business transponder configuration service forward table according to first information set and/or the second information aggregate.
Preferably, the business transponder information that above-mentioned business function connects can be one below:
(1) two layers of link information of the business transponder connected；
(2) the IP address of the business transponder connected；
(3) logical name of the business transponder connected.
Preferably, aforementioned capabilities information may include that the capacity of type of service that business function supports, business function.
Preferably, above-mentioned other business transponder information being joined directly together with business transponder can be one below:
(1) two layers of link information of other business transponders；
(2) the three layers of IP address information of other business transponders；
(3) logical name of other business transponders.
Preferably, in step s 604, business chain routing management function is that business transponder configuration service forward table can include following operation according to first information set and/or the second information aggregate:
Step S1: business chain routing management function is that business transponder calculates business forward table according to first information set and/or the second information aggregate；
Step S2: business forward table and business chain routing table are sent to business transponder by business chain routing management function via software defined network SDN controller, and wherein, business chain routing table is the form being pre-configured with.
Preferably, in step S604, business chain routing management function is after business transponder configuration service forward table and business chain routing table according to first information set and/or the second information aggregate, it is also possible to comprise the following steps:
Step S3: business chain routing management function receives the load variations event that reports of business function, wherein, load variations event is to trigger when the load of business function changes and exceedes default load threshold value that business chain routing management function sets；
Step S4: business chain routing management function is business transponder configuration service forward table again according to load variations event.
Fig. 7 is the flow chart of the using method of another kind of business chain route management system according to embodiments of the present invention.As it is shown in fig. 7, the method can include following process step:
Step S702: business transponder receives the business forward table and the business chain routing table that come from business chain routing management function, wherein, it is process the service lists that the user data package that receives is passed that business chain routing table includes business transponder, and business forward table includes business transponder and business data packet sends when determining each pending business according to business chain routing table the forward-path of the business function to the business providing this pending；
Step S704: business transponder adopts business forward table and business chain routing table that the user data package got is route.
Preferably, in step S704, business transponder adopts business forward table and business chain routing table user data package to be carried out route and can include following operation:
Step S5: business transponder identifies according to the business chain in user data package and business pointer obtain successively from the table of service link footpath continuously across multiple business names, and obtain the routing information of business function that service is provided according to each business name inquiry business forward table；
Step S6: utilize the routing information corresponding with each business name that user data package is forwarded successively.
Fig. 8 is that business transponder is registered to the flow chart of business chain routing management module according to the preferred embodiment of the invention.As shown in Figure 8, business transponder arrives business chain routing management module after the power-up and registers, it is possible to include following process step:
Step S802: business transponder sends login request message to business chain routing management module, wherein, carries the identity information of business transponder in this login request message.
Step S804: carry out bidirectional identity authentication between business transponder and business chain routing management module.
Step S806: business transponder sends neighbor information to business chain routing management module, wherein, this neighbor information can include but not limited to: the information of the business function being connected with this business transponder, other business transponders being connected with this business transponder information.
Step S808: business chain routing management module preserves the neighbor information that receives from business transponder, and utilize above-mentioned neighbor information, the neighbor information that receives from other business transponders and the business transponder information received from business function and business function information recalculate business forward table.
Step S810: business chain routing management module sends business chain routing table and business forward table to business transponder.Business transponder preserves business chain routing table and business forward table.
Step S812: after service path table changes, business chain routing management module sends information updating business forward table to other business transponders in management domain, if business chain routing table also there occurs change, business chain routing table is also sent to these business transponders by business chain routing management module simultaneously.Business transponder preserves business forward table and business chain routing table.
Fig. 9 is that business transponder carries out, when nullifying and between business chain routing management module, the flow chart that information is mutual according to the preferred embodiment of the invention.As shown in Figure 9, one business transponder wishes to delete self from business chain due to specific reasons, business transponder sends de-registration request to business chain routing management module, wherein, carries neighbours' business transponder information of this business transponder in this de-registration request.If there is business function to be attached thereto, then connected business function information can be also sent to business chain routing management module by business transponder.This flow process can include following process step:
Step S902: business transponder wishes to delete self from business chain, business transponder sends de-registration request to business chain routing management module, wherein, carries neighbours' business transponder information and the business function information being connected in this logout message.
Step S904: business chain routing management module recalculates business forward-path after receiving above-mentioned de-registration request message.
Step S906: business chain routing management module sends new business forward-path to other business transponders in business chain.
Figure 10 is information interaction diagrams between business function and business chain routing management module according to the preferred embodiment of the invention.As shown in Figure 10, first business function initiates login request message to business chain routing management module, and in a registration request message, business function reports the business transponder information that self ability and load and business function connect.When business function load changes, to business chain routing management module, business function also can report that this changes.Business chain routing management module can calculate business forward table according to these information.This flow process can include following process step:
Step S1002: business function sends login request message to business chain routing management module, wherein, in this login request message, the identity information of self, ability information, information on load and the information of business transponder that connects are sent to business chain routing management module by business function.The type of service that ability information instruction business function is supported, i.e. business name；Information on load then shows the package processing capability of this business function example.
Step S1004: the identity of business function is authenticated by business chain routing management module.
Step S1006: after the authentication has been successful, business chain routing management module preserves the identity information of business function, ability information, information on load and the information of business transponder connected, and business chain routing management module utilizes the information that above-mentioned information, other business functions receive and the information received from business transponder to recalculate business forward table.
Step S1008: business chain routing management module sends registration confirmation message to business function, wherein, carries load in this registration confirmation message and reports threshold value, for indicating business function to report the opportunity of load variations.Such as: when load exceedes and reports threshold value, then reporting service function is hurried；And when load is lower than when reporting threshold value, then reporting service function can be used.
Step S1010: business chain routing management module sends information updating business forward table to business transponder.
Step S1012: business function load variations exceedes and above-mentioned reports threshold value.
Step S1014: reaching when reporting threshold value of business chain routing management module setting when business function load changes, business function reports load variations event, for instance: business function hurries or business function idle (current loads value).
Step S1016: business chain routing management module recalculates service path table after receiving business function load variations event.
Step S1018: business chain routing management module sends information updating business forward table to business transponder.
The neighbor information being sent to business chain routing management module at business transponder can include but not limited to: the information of the information of adjacent service transponder and connected business function, wherein, the information of connected business transponder is L2 address or the IP address of adjacent service transponder, the information of connected business function is L2 address or the IP address of connected business function, and this L2 address can be medium education (MAC) address or other two-layer protocol relative addresses.
For above-mentioned Fig. 4, the neighbor information that business transponder 1 reports to business chain routing management module is as follows:
(1) business transponder 2, the L2 address of business transponder 2；
(2) business function 11, the L2 address of business function 11；
(3) business function 12, the L2 address of business function 12.
The neighbor information that business transponder 3 reports to business chain routing management module is as follows:
(1) business transponder 1, the L2 address of business transponder 1；
(2) business transponder 3, the L2 address of business transponder 2；
(3) business function 2, the L2 address of business function 2；
(4) business function 3, the L2 address of business function 3.
The neighbor information that business transponder 4 reports to business chain routing management module is as follows:
(1) business transponder 2, the L2 address of business transponder 2；
(2) business function 4, the L2 address of business function 4.
The information that each business function reports to business chain routing management module is as follows respectively:
(1) business function 11, support business 1, and load is a, is connected with business transponder 1；
(2) business function 12, support business 1, and load is b, is connected with business transponder 1；
(3) business function 2, support business 2, and load is x, is connected with business transponder 2；
(4) business function 3, support business 3, and load is x, is connected with business transponder 2；
(5) business function 4, support business 4, and load is x, is connected with business transponder 3.
Business chain routing management module forms business reachable path information as shown in table 3 according to the information received from business transponder 1,2,3 and each business function:
Table 3
| Business 1 | Business transponder 1 | Load a | Business function 11 L2 address | MAC encapsulates |
| Business 1 | Business transponder 1 | Load b | Business function 12 L2 address | MAC encapsulates |
| Business 2 | Business transponder 2 | Load x | Business function 2 L2 address | MAC encapsulates |
| Business 3 | Business transponder 2 | Load x | Business function 3 L2 address | MAC encapsulates |
| Business 4 | Business transponder 3 | Load x | Business function 4 L2 address | MAC encapsulates |
According to the neighbours' business transponder information received from business transponder 1,2,3, business chain routing management module can calculate the topological structure of business transponder interconnection.
The topological structure interconnected according to business transponder and above-mentioned reachable path information, business chain routing management module is that each business transponder calculates business forward table, and is distributed to each business transponder.Such as: in above-mentioned Fig. 4, business chain routing management module is that the business forward table that business transponder 1 calculates is as shown in table 4:
Table 4
| Business 1 | Load a | Business function 11 L2 address | MAC encapsulates |
| Business 1 | Load b | Business function 12 L2 address | MAC encapsulates |
| Business 2 | Load x | Business transponder 2 L2 address | MAC encapsulates |
| Business 3 | Load x | Business transponder 2 L2 address | MAC encapsulates |
| Business 4 | Load x | Business transponder 2 L2 address | MAC encapsulates |
Business chain routing management module is that the business forward table that business transponder 2 calculates is as shown in table 5:
Table 5
| Business 1 | Load y | Business transponder 1 L2 address | MAC encapsulates |
| Business 2 | Load x | Business function 2 L2 address | MAC encapsulates |
| Business 3 | Load x | Business function 3 L2 address | MAC encapsulates |
| Business 4 | Load x | Business transponder 3 L2 address | MAC encapsulates |
Business chain routing management module is that the business forward table that business transponder 3 calculates is as shown in table 6:
Table 6
| Business 1 | Load y | Business transponder 1 L2 address | MAC encapsulates |
| Business 2 | Load x | Business transponder 2 L2 address | MAC encapsulates |
| Business 3 | Load x | Business transponder 2 L2 address | MAC encapsulates |
| Business 4 | Load x | Business function 4 L2 address | MAC encapsulates |
Business chain routing management module is sending to the business forward table of business transponder 2 and business transponder 3, business 1 contains only a record pointing to business transponder 1, and business chain routing management module sends to the load of business 1 in the business forward table of business transponder 2 and business transponder 3 according to the carry calculation of business 11 and business 12.
Business transponder is when receiving user data package, first identify and business pointer inquiry business chain routing table according to the business chain in user data package, obtain next business name to be processed, then further according to business name inquiry business forward table, to obtain down hop packaged type and destination address information, utilize above-mentioned purpose address information can send to down hop after user data package is packaged process according to above-mentioned packaged type.
In from the description above, can be seen that, above embodiments enable following technique effect (it should be noted that these effects are the effects that some preferred embodiment can reach): adopt the technical scheme that the embodiment of the present invention provides, can so that business function, business transponder report neighbor information and the ability information of self automatically, thus system can automatically generate business forward table, to realize the automated management of business route.
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, and in some cases, shown or described step can be performed with the order being different from herein, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize.So, the present invention is not restricted to the combination of any specific hardware and software.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (13)
1. a business chain route management system, it is characterised in that including:
Business chain routing management function, for for business transponder configuration service forward table and business chain routing table, wherein, it is process the service lists that the user data package that receives is passed that described business chain routing table includes described business transponder, and described business forward table includes described business transponder and described business data packet sends when determining each pending business according to described business chain routing table the forward-path of the business function to the business providing this pending；
Described business transponder, for obtaining each pending business according to described business chain routing table, and sends described user data package to the business function providing this pending business according to described business forward table；
Described business function, for carrying out Business Processing to described user data package.
2. system according to claim 1, it is characterised in that described system also includes:
Gateway forwards face, for sending described user data package to described business transponder, wherein, according to customer service chain classifying rules, described user data package is classified, and in described user data package, adding business chain head, described business chain head includes business chain mark.
3. system according to claim 2, it is characterised in that described system also includes:
Gateway controller, for configuring described gateway forwards face.
4. system according to claim 3, it is characterised in that described system also includes:
Customer service chain policy management capability, for managing the strategy corresponding with customer service chain.
5. system according to claim 4, it is characterised in that described system also includes:
Software defined network SDN controller, for providing southbound interface that described gateway forwards face and business transponder are controlled for described gateway controller, described customer service chain policy management capability and described business chain routing management function.
6. the using method of the business chain route management system as according to any one of claim 1 to 5, it is characterised in that including:
Business chain routing management function receives the first information set coming from business function, wherein, described first information set includes at least one of: the business transponder information that the ability information of described business function, the information on load of described business function, described business function connect；And/or, described business chain routing management function receives the second information aggregate coming from business transponder, wherein, described second information aggregate includes at least one of: neighbor information, self information, and described neighbor information includes: other business transponder information being joined directly together with described business transponder；
Described business chain routing management function is described business transponder configuration service forward table according to described first information set and/or described second information aggregate.
7. method according to claim 6, it is characterized in that, the business transponder information that described business function connects is one below: two layers of link information of the business transponder connected, the internet protocol address of the business transponder connected, the logical name of business transponder that connects.
8. method according to claim 6, it is characterised in that described ability information includes: described business function support type of service, described business function capacity.
9. method according to claim 6, it is characterized in that, other business transponder information being joined directly together with described business transponder are one below: two layers of link information of other business transponders, the three layers of IP address information of other business transponders described, other business transponders described logical name.
10. method according to claim 6, it is characterised in that described business chain routing management function is that the described business forward table of described business transponder configuration includes according to described first information set and/or described second information aggregate:
Described business chain routing management function is that described business transponder calculates described business forward table according to described first information set and/or described second information aggregate；
Described business forward table and business chain routing table are sent to described business transponder by described business chain routing management function via software defined network SDN controller, and wherein, described business chain routing table is the form being pre-configured with.
11. the method according to any one of claim 6 to 10, it is characterized in that, after described business chain routing management function is the described business transponder described business forward table of configuration and described business chain routing table according to described first information set and/or described second information aggregate, also include:
Described business chain routing management function receives the load variations event that described business function reports, wherein, described load variations event is to trigger when the load of described business function changes and exceedes default load threshold value that described business chain routing management function sets；
Described business chain routing management function is that described business transponder configures described business forward table according to described load variations event again.
12. the using method of the business chain route management system as according to any one of claim 1 to 5, it is characterised in that including:
Business transponder receives the business forward table and the business chain routing table that come from business chain routing management function, wherein, it is process the service lists that the user data package that receives is passed that described business chain routing table includes described business transponder, and described business forward table includes described business transponder and described business data packet sends when determining each pending business according to described business chain routing table the forward-path of the business function to the business providing this pending；
Described business transponder adopts described business forward table and described business chain routing table that the user data package got is route.
13. method according to claim 12, it is characterised in that described business transponder adopts described business forward table and described business chain routing table described user data package to be carried out route and includes:
Described business transponder identifies according to the business chain in described user data package and business pointer obtain successively from described business chain routing table continuously across multiple business names, and inquire about described business forward table according to each business name and obtain the routing information of business function that service is provided；
Utilize the routing information corresponding with each business name that described user data package is forwarded successively.
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| CN201410848240.7A CN105812257B (en) | 2014-12-29 | 2014-12-29 | Business chain route management system and its application method |
| PCT/CN2015/083802 WO2016107134A1 (en) | 2014-12-29 | 2015-07-10 | Service chain route management system and usage method therefor |
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| Publication number | Publication date |
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| WO2016107134A1 (en) | 2016-07-07 |
| CN105812257B (en) | 2019-09-10 |
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