CN105812257B - Business chain route management system and its application method - Google Patents
Business chain route management system and its application method Download PDFInfo
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- CN105812257B CN105812257B CN201410848240.7A CN201410848240A CN105812257B CN 105812257 B CN105812257 B CN 105812257B CN 201410848240 A CN201410848240 A CN 201410848240A CN 105812257 B CN105812257 B CN 105812257B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
Abstract
The invention discloses a kind of business chain route management system and its application methods, in above system, service link is by management function 10, for for business transponder configuration service forwarding table and business chain routing table, wherein, business chain routing table includes the service lists that the user data package that is received by processing of business transponder is passed through, and business forwarding table, which includes business transponder, to be sent to business data packet when determining each business to be processed according to business chain routing table and provide the forward-path of the business function of the business to be processed；User data package for obtaining each business to be processed according to business chain routing table, and is sent to according to business forwarding table and provides the business function of the business to be processed by business transponder 20；Business function 30, for carrying out business processing to user data package.The technical solution provided according to the present invention, system can automatically generate business forwarding table, to realize the automatic management of business routing.
Description
Technical field
The present invention relates to the communications fields, in particular to a kind of business chain route management system and its application method.
Background technique
In operator now nets, service server (such as: network address translation (NAT), depth data packet detection (DPI),
Encoding and decoding, compression) it connects on the transmit path, this makes business chain and transmission network close coupling, and modification business chain usually needs
Modify transmission network topological structure.The configuration of this complexity is so that increasing or modifying business chain becomes especially complicated.Also, due to
The limitation of configuration, Xian Wangzhong operator usually only configure one or seldom several business chains, and business datum can be according to fixation
Sequence flow through all service servers in configured business chain, even if business datum is not needed by the service server
Reason, thereby increases the load of service server, and also add the propagation delay time of data.In this framework, business chain
It combines not flexible, increases or the configuration mode of modification service server is complicated, be unfavorable for the development of innovative service.
Internet Engineering Task group (IETF) business function chain (SFC) is organized discussing how more flexiblely altogether
Support business chain.Fig. 1 is the schematic diagram according to the business chain infrastructure component of ietf definition in the related technology.As shown in Figure 1,
The most basic target of SFC is to decouple business chain and network topology.In the framework of ietf definition, business classifier (Service
Classifier it) can be classified to Business Stream and select business chain path, and business chain envelope is carried out to business data packet
Dress.Business data packet after encapsulation is handled by multiple service servers in business chain in order.Business chain encapsulates (referred to as
SFC encapsulation) it is not used in data transmission, the transmission of data can rely on outer layer packet header, in this way can be by business chain and network topology solution
Coupling.And service server need to be increased to the link between business transponder by increasing new service server only, thus with other industry
Business server decoupling (it is stellate framework) is also decoupled with transmission network.
Business function may may require that some information related to user in processes user data package, such as: Yong Hubiao
The information such as knowledge, the access network state of user, the rank of user and permission.These information are referred to as customer service configuration parameter.
Business function can determine how to handle user data package according to customer service configuration parameter.Such as: when connecing for user
Enter network occur congestion when, business function can be decided whether according to the information using specific compression technology to user data package into
Row compression.
In the related art, service link by way of human configuration by that can be sent to business transponder, still, this
Kind mode is inflexible, and cannot achieve network automatically.
Summary of the invention
The embodiment of the invention provides a kind of business chain route management system and its application methods, at least to solve related skill
Service link is lacked into flexibility and can not be real by being sent to business transponder by way of human configuration employed in art
The problem of existing network automatically.
According to an aspect of the invention, there is provided a kind of business chain route management system.
Business chain route management system according to an embodiment of the present invention includes: service link by management function, for being industry
Transponder configuration service forwarding table of being engaged in and business chain routing table, wherein business chain routing table includes that business transponder connects for processing
The service lists that the user data package received is passed through, business forwarding table include business transponder true according to business chain routing table
Business data packet is sent to when fixed each business to be processed, the forward-path of the business function of the business to be processed is provided；
Business transponder, for obtaining each business to be processed according to business chain routing table, and according to business forwarding table by number of users
It is sent to according to packet and the business function of the business to be processed is provided；Business function, for carrying out business processing to user data package.
Preferably, above system further include: gateway forwards face, for sending user data package to business transponder, wherein
Classified according to customer service chain classifying rules to user data package, and adds business chain head, business in user data package
Chain head includes business chain mark.
Preferably, above system further include: gateway controller, for being configured to gateway forwards face.
Preferably, above system further include: customer service chain policy management capability, it is corresponding with customer service chain for managing
Strategy.
Preferably, above system further include: software defined network SDN controller, for being gateway controller, customer service
Chain policy management capability and service link provide southbound interface by management function and carry out to gateway forwards face and business transponder
Control.
According to another aspect of the present invention, a kind of application method of business chain route management system is provided.
The application method of business chain route management system according to an embodiment of the present invention includes: service link by management function
Receive the first information set from business function, wherein first information set includes at least one of: business function
The business transponder information that ability information, the information on load of business function, business function connect；And/or business chain routing management
Function receives the second information aggregate from business transponder, wherein the second information aggregate includes at least one of: neighbours
Information, self information, neighbor information include: other business transponder information being connected directly with business transponder；Service link
Gathered according to the first information by management function and/or the second information aggregate is business transponder configuration service forwarding table.
Preferably, the business transponder information of business function connection is one of the following: the two of the business transponder connected
Layer link information, the internet protocol address of the business transponder connected, the business transponder connected logical name.
Preferably, ability information includes: the capacity of the type of service of business function support, business function.
Preferably, other business transponder information being connected directly with business transponder are one of the following: other business turn
Send out the logical name of two layers of link information of device, the three layers of IP address information of other business transponders, other business transponders.
Preferably, service link is gathered according to the first information by management function and/or the second information aggregate is business forwarding
Device configuration service forwarding table include: service link gathered according to the first information by management function and/or the second information aggregate be industry
Business transponder calculates business forwarding table；Service link is forwarded business via software defined network SDN controller by management function
Table and business chain routing table are sent to business transponder, wherein business chain routing table is the table for being pre-configured with completion.
Preferably, gathered according to the first information in service link by management function and/or the second information aggregate turns for business
After hair device configuration service forwarding table and business chain routing table, further includes: service link is received on business function by management function
The load variations event of report, wherein load variations event is to change more than service link in the load of business function by pipe
It is triggered in the case where the default load threshold value of reason function setting；Service link by management function according to load variations event again
For business transponder configuration service forwarding table.
According to another aspect of the invention, a kind of application method of business chain route management system is provided.
The application method of business chain route management system according to an embodiment of the present invention includes: that the reception of business transponder comes from
In service link by the business forwarding table and business chain routing table of management function, wherein business chain routing table includes business forwarding
The service lists that the user data package that device is received by processing is passed through, business forwarding table include business transponder according to business
Business data packet is sent to when determining each business to be processed and provides the business function of the business to be processed by chain routing table
Forward-path；Business transponder carries out road to the user data package got using business forwarding table and business chain routing table
By.
Preferably, business transponder carries out routing packet to user data package using business forwarding table and business chain routing table
Include: according to the business chain mark in user data package, successively acquisition connects business transponder from service link diameter table with business pointer
The continuous multiple business names passed through, and obtained according to each business name inquiry business forwarding table and the path of the business function serviced is provided
Information；Routing information corresponding with each business name is successively utilized to be forwarded user data package.
Through the embodiment of the present invention, using service link by management function, for being forwarded for business transponder configuration service
Table and business chain routing table, wherein business chain routing table includes that the user data package that is received by processing of business transponder passes through
The service lists crossed, business forwarding table include business transponder when determining each business to be processed according to business chain routing table
Business data packet is sent to, the forward-path of the business function of the business to be processed is provided；Business transponder is used for basis
Business chain routing table obtains each business to be processed, and is sent to user data package according to business forwarding table and provides this wait locate
The business function of the business of reason；Business function is solved and is adopted in the related technology for carrying out business processing to user data package
By service link by being sent to the shortage flexibility of business transponder and cannot achieve network certainly by way of human configuration
The problem of dynamicization, and then system can automatically generate business forwarding table, to realize the automatic management of business routing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the business chain infrastructure component of ietf definition in the related technology；
Fig. 2 is the structural block diagram of business chain route management system according to an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of business chain route management system according to the preferred embodiment of the invention；
Fig. 4 be gateway forwards face according to the preferred embodiment of the invention, business transponder, business function group net topology show
It is intended to；
Fig. 5 is data when being communicated between gateway forwards face according to the preferred embodiment of the invention and business transponder
Packet schematic diagram；
Fig. 6 is the flow chart of the application method of business chain route management system according to an embodiment of the present invention；
Fig. 7 is the flow chart of the application method of another business chain route management system according to an embodiment of the present invention；
Fig. 8 is the process that business transponder according to the preferred embodiment of the invention is registered to business chain routing management module
Figure；
Fig. 9 is business transponder according to the preferred embodiment of the invention in cancellation and between business chain routing management module
Carry out the flow chart of information exchange；
Figure 10 is that the information between business function according to the preferred embodiment of the invention and business chain routing management module is handed over
Mutual flow chart.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
Fig. 2 is the structural block diagram of business chain route management system according to an embodiment of the present invention.As shown in Fig. 2, the business
Chain route management system may include: service link by management function 10, for for business transponder configuration service forwarding table and
Business chain routing table, wherein business chain routing table includes that the user data package that is received by processing of business transponder is passed through
Service lists, business forwarding table include business transponder when determining each business to be processed according to business chain routing table by industry
Business data packet, which is sent to, provides the forward-path of the business function of the business to be processed；Business transponder 20, for according to industry
Business chain routing table obtains each business to be processed, and user data package is sent to according to business forwarding table to provide this to be processed
Business business function；Business function 30, for carrying out business processing to user data package.
Service link is lacked by being sent to business transponder by way of human configuration used by the related technology
Flexibility and it cannot achieve network automatically.Using system as shown in Figure 2, business function, business transponder can be made certainly
The dynamic ability information for reporting neighbor information and itself, so that system can automatically generate business forwarding table, to realize that business routes
Automatic management.
As a preferred embodiment of the present invention, Fig. 3 is business chain routing management according to the preferred embodiment of the invention
The structural schematic diagram of system.As shown in figure 3, gateway controller 40, for configuring gateway forwards face, such as: by the tunnel in user face
Road information and customer service chain classifying rules are sent to gateway forwards face.Customer service chain policy management capability 50, for managing
Strategy relevant to customer service chain is managed, such as: customer service chain classifying rules is configured for business classifier, is that business function is matched
Set customer service configuration parameter etc..Business chain policy management capability management is the relevant business chain strategy of user.Service link
By management function 10, for the connection relationship and responsible business between management business function, business function and business transponder
Load sharing between the more examples of function is business transponder configuration service forwarding table and business chain routing table.Gateway forwards face 60,
It is responsible for the forwarding of user data package, and user data package is classified according to customer service chain classifying rules, and in user data package
Middle supplementary service chain head, wherein can include but is not limited to: business chain mark.Business transponder 20 is responsible for according to user data
The current information inquiry business chain routing table such as the location of in business chain of business chain mark, user data package in packet, is obtained
Next business to be processed of the user data package is taken, and inquiry business forwarding table obtains the forward-path of corresponding business function,
Then the business function is sent data packets to again.Business function 30 is responsible for carrying out user data package the relevant processing of business,
Such as: encoding and decoding, NAT, parent's control etc..The user to the user may be used in the treatment process to user data package
Business configuration parameter.SDN controller is responsible for the centralized and unified control to bottom forwarding device, while providing net to upper-layer service
The interface that network ability is called.Gateway controller, customer service chain policy management capability, service link are SDN controls by management function
Application on device 70 processed, the southbound interface that these applications can be provided by SDN control the forwarding device of lower layer, comprising: gateway
Forwarding surface and business transponder.
In above-mentioned framework, business classification can carry out in gateway forwards face, therefore, customer service chain policy management capability
Rule can be classified it by gateway controller is sent to gateway forwards face.Gateway forwards face is further according to business classifying rules
Classify to user data package, and adds corresponding business chain mark and other parameters, such as: customer service configuration index
Deng.During specific implementation, customer service chain policy management capability can be by enhancing third generation partner program
In (3GPP) network strategy with charging rule functions (Policy and Charging Rule Function, referred to as
PCRF) Lai Shixian.Interface between customer service chain policy management capability and gateway controller can by extension Gx interface come
It realizes, increases the relevant content of business classifying rules on original Gx interface.It can between gateway controller and gateway forwards face
To pass through SDN control unit interface.
Can include but is not limited in above-mentioned business classifying rules: customer service chain stream description, business chain mark, other
Option, such as: customer service configuration index.It gateway forwards face can be by the user data package received and business classifying rules
In customer service chain stream description matched；If successful match, business chain mark is added in user data package, business refers to
The information such as needle, other options, wherein business chain mark is used to identify a logic business chain unrelated with user, business pointer
It is the position that user data package is located in current business chain, that is, be directed toward the business being currently located.
In order to support to transmit customer service configuration parameter, customer service chain policy management capability and business by control channel
Functional interface is sent to business function will pass through the interface for customer service configuration parameter.Customer service chain tactical management function
It can be realized by the way of extending Sd interface or extension Rx interface the interface between business function.
Customer service chain policy management capability, which is sent in the customer service configuration parameter of business function, may include but not
It is limited to following parameter:
(1) business configuration parameter: business function handles parameter required for the business data packet of customer service chain, such as:
User identifier, radio congestion state, user class.
(2) business chain identifies: for identifying logic business chain.
Optionally, customer service configuration parameter indexes, and is used for quick search business configuration parameter, is matched by the customer service
Corresponding customer service configuration parameter can rapidly be found by setting parameter reference, and it can be modified or deletes behaviour
Make.
Optionally, customer service configuration parameter can also include: customer service chain stream description, the customer service chain stream description
It at least may include: the Internet protocol of the user for describing the business data flow feature of the business chain of the user
(IP) address.In customer service configuration parameter increase customer service chain stream description can be effectively avoided business classifier with
Business configuration parameter reference is additionally implemented in user data packet.When the packet of user data package is long shorter, by increasing new field
Packet efficiency of transmission can be reduced；And when user data package is longer, it will lead to packet fragmentation again by increasing newer field.It therefore, is most
Amount increases field in user data package less, attached customer service chain stream description, business in customer service configuration parameter
Function matches the user data package received with the customer service chain stream description, when successful match, above-mentioned user's industry
Business configuration parameter corresponding to chain stream description of being engaged in is the corresponding business configuration parameter of the user data package, and business function will use
The customer service configuration parameter handles user data package.If the business data packet of user is retouched with a plurality of customer service chain stream
Matching is stated, then selects corresponding business configuration data by longest match principle, and using business configuration parameter to the business of user
Data packet is handled.
As another preferred embodiment of the invention, Fig. 4 is gateway forwards face according to the preferred embodiment of the invention, industry
The group net topology schematic diagram of business transponder, business function.As shown in figure 4, gateway forwards face configures default business transponder, net
The default business transponder will be sent to by the user data package for classifying and being added to business chain head by closing forwarding surface.Gateway turns
It can be both connected directly, can also be connected by IP tunnel by two layers of link between fermentation and business transponder.Gateway forwards
The forward-path of default service transponder is configured in face: when the two is connected by two layers of link, forward-path is two layers of tunnel
Road；When the two is connected by three layers of link, forward-path is three layer tunnel.
As another preferred embodiment of the invention, Fig. 5 be gateway forwards face according to the preferred embodiment of the invention with
Data packet schematic diagram when being communicated between business transponder.As shown in figure 5, adding business chain before original user data packet
Head (or addition in user data package), which may include: business chain mark, business pointer, other are optional
The information such as item.Gateway forwards face further according to the business transponder of configuration forward-path by the above-mentioned user for being added to business chain head
Data envelope is attached in two layer tunnel or three layer tunnel, and the destination address (two layers or three layers) of two layers/three layer tunnel turns for business
Send out the address of device.
As shown in Figure 4 above, a business transponder can be connected with one or more business functions, these business functions
It can support identical or different type of service.Can there are one or more business transponders, and business transponder in a network
Between can be connected directly by two layers of link or by three layer tunnel connect.When specific transactions function is matched by gateway forwards face
When the business transponder set is unreachable, then user data package can be forwarded by two layers between business transponder or three layers of link
The business transponder being extremely connected with business function, and user data package is sent to business function by the business transponder.Upper
It states in Fig. 4, if needing the processing by business function 4, business transponder 1 from the user data package that gateway forwards face 1 issues
It needs user data package being sent to business transponder 3 by business transponder 2, then by business transponder 3 by user data package
It is sent to business function 4.
In a preferred embodiment, two tables: business chain routing table and business forwarding table are stored in business transponder.
Table 1 is business chain routing table.It is as shown in table 1:
Table 1
Business chain routing table is the table of relative quiescent, wherein what is stored is the orderly combinations of services in logic business chain,
Belong to a series of ordered list of business that all data packets of the logic business chain need to pass through.Business transponder according to
The service lists to be passed through of the business chain identifier lookup user data package in user data packet, and according in user data package
Business pointer search next business name to be treated.Then, business transponder searches business forwarding further according to business name
Table provides the forward-path of the business function of the business to obtain for the data packet to be sent to.
Table 2 is business forwarding table.It is as shown in table 2:
Table 2
What business forwarding table stored is the forward-path of specific transactions, that is, the information of the corresponding business function of specific transactions,
That is, from business transponder to the two of the business function layers or three layer tunnel information.When a business corresponds to multiple business functions realities
When example, the stressor of each business function is also stored in the routing table, which indicates the business function example
Package processing capability.The ratio for the task amount that business transponder determines to distribute to the business function according to the stressor.Such as:
In above-mentioned Fig. 4, business 1 provides service, business function 11 and business function by 12 two examples of business function 11 and business function
12 are connected with business transponder 1.Business forward-path information of the business 1 in the service path table in business transponder 1 is such as
Under:
Business 1, next-hop: business function 11, stressor 0.4；
Business 1, next-hop: business function 12, stressor 0.6；
Business transponder 1 finds the business of above-mentioned business 1 when receiving the user data package for needing business 1 to handle
Forward-path information, business transponder can select business function 11 for the user data package service, business according to stressor
User data package is forwarded to business function 11 by two layers or three layer tunnel by transponder.
When specific transactions function needs to forward by other business transponders, turn of the business stored in business forwarding table
Send out the information that routing information is next-hop business transponder.Such as: in above-mentioned Fig. 4, stored in business transponder 1 it is related by
The forward-path information for the business 4 that business function 4 provides are as follows:
Business 4, next-hop: business transponder 2；
The forward-path information of the business 4 stored in business transponder 2 are as follows:
Business 4, next-hop: business transponder 3；
The forward-path information of the business 4 stored in business transponder 3 are as follows:
Business 4, next-hop: business function 4；
When the user data package issued from gateway forwards face 1 needs the processing by business 4, business transponder is according to industry
User data package is first encapsulated in towards being sent to industry in two layers of business transponder 2 or three layer tunnel by the next hop information of business 4
Business transponder 2；When data packet reaches business transponder 2, business transponder 2 searches the next hop information of business 4, by number of users
At two layers that lead to business transponder 3 or business transponder 3 is sent in three layer tunnel according to encapsulation；Business function 4 and business
Transponder 3 is connected directly, and data envelope is mounted in the tunnel for leading to business function 4 and is sent to business function by business transponder 3
4。
Fig. 6 is the flow chart of the application method of business chain route management system according to an embodiment of the present invention.Such as Fig. 6 institute
Show, this method may include following processing step:
Step S602: service link is received the first information set from business function by management function, wherein first
Information aggregate includes at least one of: the ability information of business function, the information on load of business function, business function connect
Business transponder information；And/or service link is received the second information aggregate from business transponder by management function,
In, the second information aggregate includes at least one of: neighbor information, self information, and neighbor information includes: straight with business transponder
Connect other connected business transponder information；
Step S604: service link is gathered according to the first information by management function and/or the second information aggregate turns for business
Send out device configuration service forwarding table.
Preferably, the business transponder information of above-mentioned business function connection can be one of the following:
(1) two layers of link information of the business transponder connected；
(2) IP address of the business transponder connected；
(3) logical name of the business transponder connected.
Preferably, aforementioned capabilities information may include: the capacity of the type of service of business function support, business function.
Preferably, above-mentioned to be one of the following with other business transponder information that business transponder is connected directly:
(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, service link is gathered and/or the second information collection according to the first information by management function
Being combined into business transponder configuration service forwarding table may include following operation:
Step S1: service link is gathered according to the first information by management function and/or the second information aggregate is business forwarding
Device calculates business forwarding table；
Step S2: service link is by management function via software defined network SDN controller by business forwarding table and business
Chain routing table is sent to business transponder, wherein business chain routing table is the table for being pre-configured with completion.
Preferably, in step S604, service link is gathered according to the first information by management function and/or the second information aggregate
After business transponder configuration service forwarding table and business chain routing table, can with the following steps are included:
Step S3: service link is received the load variations event that business function reports by management function, wherein load variations
Event be business function load change the default load threshold value set by management function more than service link the case where
Lower triggering；
Step S4: service link is the forwarding of business transponder configuration service according to load variations event by management function again
Table.
Fig. 7 is the flow chart of the application method of another business chain route management system according to an embodiment of the present invention.Such as
Shown in Fig. 7, this method may include following processing step:
Step S702: business transponder is received from service link by the business forwarding table and service link of management function
Diameter table, wherein business chain routing table includes the service lists that the user data package that is received by processing of business transponder is passed through,
Business forwarding table includes business transponder when determining each business to be processed according to business chain routing table by business data packet
It is sent to and the forward-path of the business function of the business to be processed is provided；
Step S704: business transponder using business forwarding table and business chain routing table to the user data package got into
Walking along the street by.
Preferably, in step S704, business transponder is using business forwarding table and business chain routing table to user data
It may include following operation that packet, which carries out routing:
Step S5: business transponder according in user data package business chain mark and business pointer from service link diameter table
In successively obtain continuously across multiple business names, and according to each business name inquiry business forwarding table obtain provide service industry
The routing information for function of being engaged in；
Step S6: routing information corresponding with each business name is successively utilized to be forwarded user data package.
Fig. 8 is the process that business transponder according to the preferred embodiment of the invention is registered to business chain routing management module
Figure.It is registered as shown in figure 8, business transponder arrives business chain routing management module after the power-up, may include following processing
Step:
Step S802: business transponder sends login request message to business chain routing management module, wherein the registration is asked
Seek the identity information that business transponder is carried in message.
Step S804: bidirectional identity authentication is carried out between business transponder and business chain routing management module.
Step S806: business transponder sends neighbor information to business chain routing management module, wherein the neighbor information can
To include but is not limited to: the information for the business function being connected with the business transponder, other industry being connected with the business transponder
The information of business transponder.
Step S808: business chain routing management module saves the neighbor information received from business transponder, and utilizes upper
State neighbor information, the neighbor information received from other business transponders and the business transponder received from business function letter
Breath and business function information recalculate business forwarding table.
Step S810: business chain routing management module sends business chain routing table and business forwarding table to business transponder.
Business transponder saves business chain routing table and business forwarding table.
Step S812: after service path table changes, other industry of business chain routing management module into management domain
Business transponder sends information updating business forwarding table, if business chain routing table is also changed, business chain routing management module
Business chain routing table is also sent to these business transponders simultaneously.Business transponder saves business forwarding table and business chain path
Table.
Fig. 9 is business transponder according to the preferred embodiment of the invention in cancellation and between business chain routing management module
Carry out the flow chart of information exchange.As shown in figure 9, a business transponder is wished itself from business chain due to specific reasons
It deletes, business transponder sends de-registration request to business chain routing management module, wherein the industry is carried in the de-registration request
Neighbours' business transponder information of business transponder.Business function is attached thereto if it exists, then business transponder can by be connected
Business function information is also sent to business chain routing management module.The process may include following processing step:
Step S902: business transponder wishes to delete itself from business chain, and business transponder is to service link by pipe
It manages module and sends de-registration request, wherein carry neighbours' business transponder information in the logout message and the business function that is connected
It can information.
Step S904: business chain routing management module recalculates business forwarding after receiving above-mentioned de-registration request message
Path.
Step S906: other business transponders of business chain routing management module into business chain send new business forwarding
Path.
Figure 10 is that the information between business function according to the preferred embodiment of the invention and business chain routing management module is handed over
Mutual flow chart.As shown in Figure 10, business function initiates login request message to business chain routing management module first, asks in registration
It asks in message, the business transponder information that business function reports the ability of itself and load and business function to be connected.Work as industry
When business functional burdening changes, business function can also report this variation to business chain routing management module.Service link is by pipe
Business forwarding table can be calculated according to these information by managing module.The process may include following processing step:
Step S1002: business function sends login request message to business chain routing management module, wherein in the registration
In request message, business function is by the identity information of itself, ability information, information on load and the business transponder that is connected
Information is sent to business chain routing management module.The type of service that ability information instruction business function is supported, i.e. business name；It is negative
Lotus information then shows the package processing capability of the business function example.
Step S1004: business chain routing management module authenticates the identity of business function.
Step S1006: after the authentication has been successful, business chain routing management module saves the identity information of business function, ability
The information of information, information on load and the business transponder connected, business chain routing management module using above- mentioned information, other
The information and recalculate business forwarding table from the information that business transponder receives that business function receives.
Step S1008: business chain routing management module sends registration confirmation message to business function, wherein in the registration
Load is carried in confirmation message and reports threshold value, is used to indicate the opportunity that business function reports load variations.Such as: when load is super
It crosses when reporting threshold value, then reports business function busy；And when load is lower than threshold value is reported, then report business function available.
Step S1010: business chain routing management module sends information updating business forwarding table to business transponder.
Step S1012: business function load variations report threshold value more than above-mentioned.
Step S1014: when business function load change reach business chain routing management module setting report threshold value
When, business function reports load variations event, such as: business function is busy or business function is idle (current loads value).
Step S1016: business chain routing management module recalculates industry after receiving business function load variations event
Business routing table.
Step S1018: business chain routing management module sends information updating business forwarding table to business transponder.
It can include but is not limited in the neighbor information that business transponder is sent to business chain routing management module: adjacent industry
The information of transponder of being engaged in and the information of connected business function, wherein the information for the business transponder that is connected is adjacent service forwarding
The L2 address or IP address of device, the information of connected business function are the L2 address or IP address of connected business function, this two
Layer address can be the media access control address (MAC) or other two-layer protocol relative address.
By taking above-mentioned Fig. 4 as an example, the neighbor information that business transponder 1 is reported 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 is reported 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 is reported 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 difference that each business function is reported to business chain routing management module is as follows:
(1) business function 11, support business 1, and load a is connected with business transponder 1；
(2) business function 12, support business 1, and load b is connected with business transponder 1；
(3) business function 2, support business 2, and load x is connected with business transponder 2；
(4) business function 3, support business 3, and load x is connected with business transponder 2；
(5) business function 4, support business 4, and load x is connected with business transponder 3.
Business chain routing management module is formed such as according to the information received from business transponder 1,2,3 and each business function
Business reachable path information shown in table 3:
Table 3
| Business 1 | Business transponder 1 | Load a | 11 L2 address of business function | MAC encapsulation |
| Business 1 | Business transponder 1 | Load b | 12 L2 address of business function | MAC encapsulation |
| Business 2 | Business transponder 2 | Load x | 2 L2 address of business function | MAC encapsulation |
| Business 3 | Business transponder 2 | Load x | 3 L2 address of business function | MAC encapsulation |
| Business 4 | Business transponder 3 | Load x | 4 L2 address of business function | MAC encapsulation |
According to the neighbours' business transponder information received from business transponder 1,2,3, business chain routing management module can
To calculate the topological structure of business transponder interconnection.
It is according to the topological structure of business transponder interconnection and above-mentioned reachable path information, business chain routing management module
Each business transponder calculates business forwarding table, and is distributed to each business transponder.Such as: in above-mentioned Fig. 4, service link
It is that the business forwarding table that business transponder 1 calculates is as shown in table 4 by management module:
Table 4
| Business 1 | Load a | 11 L2 address of business function | MAC encapsulation |
| Business 1 | Load b | 12 L2 address of business function | MAC encapsulation |
| Business 2 | Load x | 2 L2 address of business transponder | MAC encapsulation |
| Business 3 | Load x | 2 L2 address of business transponder | MAC encapsulation |
| Business 4 | Load x | 2 L2 address of business transponder | MAC encapsulation |
Business chain routing management module is that the business forwarding table that business transponder 2 calculates is as shown in table 5:
Table 5
| Business 1 | Load y | 1 L2 address of business transponder | MAC encapsulation |
| Business 2 | Load x | 2 L2 address of business function | MAC encapsulation |
| Business 3 | Load x | 3 L2 address of business function | MAC encapsulation |
| Business 4 | Load x | 3 L2 address of business transponder | MAC encapsulation |
Business chain routing management module is that the business forwarding table that business transponder 3 calculates is as shown in table 6:
Table 6
| Business 1 | Load y | 1 L2 address of business transponder | MAC encapsulation |
| Business 2 | Load x | 2 L2 address of business transponder | MAC encapsulation |
| Business 3 | Load x | 2 L2 address of business transponder | MAC encapsulation |
| Business 4 | Load x | 4 L2 address of business function | MAC encapsulation |
Business chain routing management module is in the business forwarding table for being sent to business transponder 2 and business transponder 3, to industry
Business 1 contains only the record of a direction business transponder 1, and business chain routing management module is according to the negative of business 11 and business 12
Lotus calculates the load for the business 1 in the business forwarding table of business transponder 2 and business transponder 3 that is sent to.
Business transponder first refers to according to the business chain mark in user data package with business when receiving user data package
Needle inquiry business chain routing table obtains next business name to be processed, then further according to business name inquiry business forwarding table, with
Next-hop packaged type and destination address information are obtained, it can be by user data package according to above-mentioned using above-mentioned purpose address information
Packaged type is sent to next-hop after being packaged processing.
It can be seen from the above description that above example implements following technical effect (it should be noted that these
Effect is the effect that certain preferred embodiments can achieve): using technical solution provided by the embodiment of the present invention, can make
Business function, business transponder report neighbor information and the ability information of itself automatically, so that system can automatically generate business
Forwarding table, to realize the automatic management of business routing.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of business chain route management system characterized by comprising
Service link is by management function, for being business transponder configuration service forwarding table and business chain routing table, wherein described
Business chain routing table includes the service lists that the user data package that is received by processing of the business transponder is passed through, the industry
Business forwarding table includes the business transponder each of includes being determined in the service lists according to the business chain routing table
The user data package is sent to when business to be processed, the forward-path of the business function of the business to be processed is provided；
The business transponder each of includes to be processed for being obtained in the service lists according to the business chain routing table
Business, and the user data package is sent to according to the business forwarding table, the business function of the business to be processed is provided
Energy；
The business function, for carrying out business processing to the user data package.
2. system according to claim 1, which is characterized in that the system also includes:
Gateway forwards face, for sending the user data package to the business transponder, wherein classified according to customer service chain
Rule classifies to the user data package, and business chain head, the business chain head packet are added in the user data package
Include business chain mark.
3. system according to claim 2, which is characterized in that the system also includes:
Gateway controller, for being configured to the gateway forwards face.
4. system according to claim 3, which is characterized in that the system also includes:
Customer service chain policy management capability, for managing strategy corresponding with customer service chain.
5. system according to claim 4, which is characterized in that the system also includes:
Software defined network SDN controller, for for the gateway controller, the customer service chain policy management capability and
The service link provides southbound interface by management function and controls the gateway forwards face and business transponder.
6. a kind of application method of the business chain route management system as described in any one of claims 1 to 5, feature exist
In, comprising:
Service link is received the first information set from business function by management function, wherein the first information set
Including at least one of: the ability information of the business function, the information on load of the business function, the business function connect
The business transponder information connect；And/or the service link is received the second information from business transponder by management function
Set, wherein second information aggregate includes at least one of: neighbor information, self information, the neighbor information packet
It includes: other business transponder information being connected directly with the business transponder；
The service link is the business according to the first information set and/or second information aggregate by management function
Transponder configuration service forwarding table.
7. according to the method described in claim 6, it is characterized in that, the business function connection business transponder information be with
It is one of lower: two layers of link information of the business transponder connected, the business transponder connected internet protocol address,
The logical name of the business transponder connected.
8. according to the method described in claim 6, it is characterized in that, the ability information includes: what the business function was supported
The capacity of type of service, the business function.
9. according to the method described in claim 6, it is characterized in that, turning with other business that the business transponder is connected directly
Hair device information is one of the following: the three layers of IP of two layers of link information of other business transponders, other business transponders
The logical name of location information, other business transponders.
10. according to the method described in claim 6, it is characterized in that, the service link is by management function according to described first
Information aggregate and/or second information aggregate are that the business transponder configuration business forwarding table includes:
The service link is the business according to the first information set and/or second information aggregate by management function
Transponder calculates the business forwarding table；
The service link is by management function via software defined network SDN controller by the business forwarding table and service link
Diameter table is sent to the business transponder, wherein the business chain routing table is the table for being pre-configured with completion.
11. the method according to any one of claim 6 to 10, which is characterized in that in the business chain routing management function
It can be that the business transponder configures the business forwarding table according to the first information set and/or second information aggregate
After the business chain routing table, further includes:
The service link is received the load variations event that the business function reports by management function, wherein the load becomes
Change event is changed the default load set more than the service link by management function in the load of the business function
It is triggered in the case where threshold value；
The service link is that the business transponder configures the industry according to the load variations event by management function again
Business forwarding table.
12. a kind of application method of the business chain route management system as described in any one of claims 1 to 5, feature exist
In, comprising:
Business transponder is received from service link by the business forwarding table and business chain routing table of management function, wherein institute
Stating business chain routing table includes the service lists that the user data package that is received by processing of the business transponder is passed through, described
Business forwarding table includes the business transponder when determining each business to be processed according to the business chain routing table by institute
State user data package be sent to provide the business to be processed business function forward-path；
The business transponder using the business forwarding table and the business chain routing table to the user data package got into
Walking along the street by.
13. according to the method for claim 12, which is characterized in that the business transponder using the business forwarding table and
The business chain routing table carries out routing to the user data package
The business transponder according in the user data package business chain mark and business pointer from the business chain path
Successively obtained in table continuously across multiple business names, and the business forwarding table inquired according to each business name obtain and clothes are provided
The routing information of the business function of business；
Routing information corresponding with each business name is successively utilized to be forwarded the user data package.
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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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| CN107787020B (en) | 2016-08-26 | 2020-12-08 | 华为技术有限公司 | Method for synchronizing topological information in SFC network and routing network element |
| CN107800579B (en) * | 2016-08-31 | 2020-03-20 | 华为技术有限公司 | Full-path detection method, device and system |
| CN106411852B (en) * | 2016-08-31 | 2020-01-14 | 浙江宇视科技有限公司 | Distributed terminal access control method and device |
| CN106487788B (en) * | 2016-09-30 | 2019-10-29 | 中国联合网络通信集团有限公司 | A kind of user access method, SDN controller, forwarding device and subscriber access system |
| CN109428817B (en) * | 2017-08-31 | 2021-06-22 | 华为技术有限公司 | Service chain processing method, related network element and system |
| CN112995035A (en) * | 2019-12-12 | 2021-06-18 | 中兴通讯股份有限公司 | Service chain forwarding control method and device and service networking |
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| CN101184053A (en) * | 2007-12-29 | 2008-05-21 | 杭州华三通信技术有限公司 | LAN export link selecting method, device and routing device |
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| CN101594289A (en) * | 2008-05-28 | 2009-12-02 | 华为技术有限公司 | Realize the method and apparatus of Differentiated Services traffic engineering |
| CN101924702A (en) * | 2010-08-26 | 2010-12-22 | 华为技术有限公司 | Service data transmission method and device |
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- 2014-12-29 CN CN201410848240.7A patent/CN105812257B/en not_active Expired - Fee Related
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| CN101212391A (en) * | 2006-12-25 | 2008-07-02 | 上海贝尔阿尔卡特股份有限公司 | Traffic splitting method and device, and service type reporting method and device |
| CN101184053A (en) * | 2007-12-29 | 2008-05-21 | 杭州华三通信技术有限公司 | LAN export link selecting method, device and routing device |
| CN101594289A (en) * | 2008-05-28 | 2009-12-02 | 华为技术有限公司 | Realize the method and apparatus of Differentiated Services traffic engineering |
| CN101924702A (en) * | 2010-08-26 | 2010-12-22 | 华为技术有限公司 | Service data transmission method and device |
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