CN107181689A - Method for message interaction and device between router - Google Patents
Method for message interaction and device between router Download PDFInfo
- Publication number
- CN107181689A CN107181689A CN201610136162.7A CN201610136162A CN107181689A CN 107181689 A CN107181689 A CN 107181689A CN 201610136162 A CN201610136162 A CN 201610136162A CN 107181689 A CN107181689 A CN 107181689A
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- Prior art keywords
- router
- message
- tlv
- application
- use information
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/02—Topology update or discovery
Abstract
A kind of method and apparatus of interacting message between router, this method includes：Increase router id use information TLV in interactive message between the routers, the router id that router id use information TLV is used to show to send the router of message is used by which or which application；One router by from the router id use information TLV in the message that other routers are received, operating accordingly to perform the application of router id of router using transmission message.Above-mentioned technical proposal is solved because router does not know the redundant operation caused using the application of router id, it is to avoid the wasting of resources.
Description
Technical field
Present document relates to the interacting message technical field between router, more particularly between a kind of router
Method for message interaction and device.
Background technology
Usually require to complete route by interacting message between router, in correlation technique, router it
Between interaction message in only include router id TLV (type, length, value), pass through the router
ID TLV, the router for receiving message is known that the ID for the router for sending message, and carries out accordingly
Route.
When a variety of applications share router id TLV information, the router of message is sent due to not knowing
ID any situation, the operation of many redundancies can be performed by receiving the router of message, so as to cause
The wasting of resources.
The content of the invention
In view of this, the technical problem to be solved in the present invention is to provide the interacting message between a kind of router
Method and apparatus, to solve because router does not know caused using the application of router id superfluous
Remaining operation, it is to avoid the wasting of resources.
In order to solve the above problems, adopt the following technical scheme that：
A kind of method of interacting message between router, this method includes：
Increase router id use information TLV, the router id in interactive message between the routers
The router id that use information TLV is used to show to send the router of message is answered by which or which
With using；
One router from the router id in the message that other routers are received by using
Information TLV, is grasped accordingly to perform the application of router id of router using transmission message
Make.
Alternatively, the router id for sending the router of message is also included in the message.
Alternatively, the content field included by the router id use information TLV includes sub- TLV
Type, sub- TLV length and sub- TLV contents.
Alternatively, the sub- TLV types include IPv4 router ids use information and IPv6 routers
ID use information both types.
Alternatively, it is described to be included using the application of the router id：TE(Traffic
Engineering, traffic engineering), Remote-LFA (Loop free alternate) and SR (Segment
Routing, Segment routing) in one or more.
Alternatively, the sub- TLV content fields include mark flag and corresponding description, pass through the flag
The router id that can show that the router for sending message with description is used by which or which application,
Reflect that the router id is not used by which or which application simultaneously.
Alternatively, application of the execution using the router id for the router for sending message is corresponding
The step of operation, includes：
When the router id use information TLV is showing the router id of the router of transmission message
During by a certain application or some applications, topology corresponding with the application or these applications or tunnel are set up；
When the router id use information TLV reflects that the router id for the router for sending message does not have
Have by a certain application or some applications in use, abandoning or stopping setting up corresponding to the application or these applications
Topology or tunnel.
A kind of interacting message device, the device includes：At least one performs the processor of following module：
Message processing module, is arranged to：Increase router id is used in interactive message between the routers
Information TLV, router id use information TLV are used for the router for showing to send the router of message
ID is used by which or which application；
Operation module, is arranged to：One router passes through from the message that other routers are received
The router id use information TLV, to perform router using the router for sending message
ID application is operated accordingly.
Alternatively, the message processing module is also configured to：The route of router is set in the message
Device ID.
Alternatively, the message processing module be arranged to following manner between the routers interaction disappear
Increase router id use information TLV in breath：Included by the router id use information TLV
Sub- TLV types, sub- TLV length and sub- TLV contents are set in content field.
Alternatively, the message processing module is arranged to following manner and sets the sub- TLV types：
The sub- TLV types are set to IPv4 router ids use information or IPv6 router ids and use letter
Breath.
Alternatively, the message processing module be arranged to following manner between the routers interaction disappear
Increase router id use information TLV in breath：Setting is included using the application of the router id：
TE (Traffic Engineering, traffic engineering), Remote-LFA (Loop free alternate) and SR
One or more in (Segment Routing, Segment routing).
Alternatively, the message processing module is arranged to following manner and sets the sub- TLV contents：
Mark flag and corresponding description are set in the sub- TLV content fields, shown by the flag and description
The router id for sending the router of message is used by which or which application, while reflecting the road
Which which do not used by device ID by or application.
Alternatively, the operation module is arranged to following manner and performs the road for using and sending message
Operated accordingly by the application of the router id of device：
When the router id use information TLV is showing the router id of the router of transmission message
By a certain application or some applications in use, setting up topology corresponding with the application or these applications or tunnel；
When the router id use information TLV router ids for sending out the router for mirroring transmission message do not have
Have by a certain application or some applications in use, abandoning or stopping setting up corresponding to the application or these applications
Topology or tunnel.
Alternatively, the device is located in router.
After adopting the above technical scheme, showing that transmission disappears by newly-increased router id use information TLV
The router id of the router of breath is used by a certain application or some applications so that receive the message
Router can directly carry out route associative operation accordingly, such as topology set up or tunnel building, improve
Router is parsed and using the flexibility of router id information, reduces router because redundant operation arrives
Unnecessary resource loss.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of method for message interaction of the present invention；
Fig. 2 applies the topological diagram of example 1 for the present invention；
Fig. 3 implements the topological diagram of example 2 for the present invention；
Fig. 4 implements the topological diagram of example 3 for the present invention；
Fig. 5 is the apparatus structure schematic diagram of the embodiment of the present invention.
Embodiment
Technical scheme is described in detail below in conjunction with drawings and Examples.
To make the purpose of the present invention, technical method and advantage clearer, its application method will be described below,
In combination with accompanying drawing, the present invention will be described in detail.
LSP (link state PDU, Link State Protocol Data Unit) Flood routing device ID of router
During information, it is understood that there may be a variety of applications or function are simultaneously using the situation of the router id.Skill of the present invention
Art scheme shows to send the router of the router of message by increasing router id use information TLV newly
ID is used by a certain application or some applications so that the router for receiving the message can direct evidence
This carries out route associative operation, and such as topology is set up or tunnel building, improves router parsing and uses road
By the flexibility of device id information, the unnecessary resource loss that router arrives by redundant operation is reduced.
The embodiments of the invention provide a kind of method of interacting message between router, as shown in figure 1, should
Method includes：
Increase router id use information TLV, the router id in interactive message between the routers
The router id that use information TLV is used to show to send the router of message is used by which application；
One router from the router id in the message that other routers are received by using
Information TLV, is grasped accordingly to perform the application of router id of router using transmission message
Make.
Alternatively, the router id for sending the router of message is also included in the message.
Alternatively, the content field included by the router id use information TLV includes sub- TLV
Type, sub- TLV length and sub- TLV contents.
Alternatively, the sub- TLV types include IPv4 router ids use information and IPv6 routers
ID use information both types.
Alternatively, included using the application of the router id：TE (Traffic Engineering,
Traffic engineering), Remote-LFA (Loop free alternate) and SR (Segment Routing, segmentation
Route) in one or more.
Alternatively, the sub- TLV content fields include mark flag and corresponding description, pass through the flag
The router id that can show that the router for sending message with description is used by which or which application,
Reflect that the router id is not used by which or which application simultaneously.Why can reflect herein
Go out the router id not by which or which application use, rather than show the router id not by
Which or which application is used, and is because it was found from the following examples one, sub- TLV content fields pass through
Mark flag and corresponding description can only show to send the router id of the router of message by which or
Which application is used.
Alternatively, application of the execution using the router id for the router for sending message is corresponding
The step of operation, includes：
When the router id use information TLV is showing the router id of the router of transmission message
During by a certain application or some applications, topology corresponding with the application or these applications or tunnel are set up；
When the router id use information TLV router ids for sending out the router for mirroring transmission message do not have
Have by a certain application or during some applications, abandon or stops setting up with the application or these apply corresponding open up
Flutter or tunnel.
Embodiment one：
The specific forms of router id use information TLV of the embodiment of the present invention are defined as follows：
Router id use information-this optional TLV, should at most occur once inside LSP,
For indicating the service condition of router id.
Type codes-do not determine
Length-content total length
Content-
Sub- TLV type codes -1 or 2.
Sub- TLV length-sub- TLV content-lengths
Sub- TLV contents-
Wherein, sub- TLV Class1：IPv4 router id use informations
What is included inside this seed TLV is IPv4 route ID use informations, and it should be in router
At most occur once inside ID use informations TLV.For the consideration for being flexibly easy to extension, the sub- TLV
Length be not fixed into 1 byte (eight bits).
Sub- TLV types 2：IPv6 router id use informations
What is included inside this seed TLV is IPv6 route ID use informations, and it should be in router
At most occur once inside ID use informations TLV.For the consideration for being flexibly easy to extension, the sub- TLV
Length be not fixed into 1 byte (eight bits).
Further it is illustrated with several application examples of the present invention below.
Assuming that routing device supports router id use information TLV：
Using example 1：
Assuming that just like Fig. 2 network topologies, direct-link node is intercommunication, two-way Metric costs value is (as schemed
In it is 10) identical.The standby routes of generation Remote-LFA are attempted for link S-E now, can according to algorithm
To know that node C is alternative PQ nodes.If by the router id use information for parsing C nodes
TLV, has found the router id of C nodes carrying and bel not applied to Remote-LFA, then S nodes will
The standby topology from S nodes to C nodes is immediately abandoned, while will also abandon attempting to set up from S node to C
The tunnel of node.
Using example 2：Assuming that just like Fig. 3 network topologies, direct-link node is intercommunication, two-way Metric
Value is identical.Traffic engineering tunnel is set up for S nodes to E nodes now.Although being obtained inside the LSP of E nodes
Get router id, but if router id use information TLV by parsing E nodes, hair
The router id of existing E nodes carrying simultaneously bel not applied to TE, then S nodes will immediately be abandoned setting up from S
Traffic engineering tunnel of the node to E nodes.
Using example 3：Assuming that just like Fig. 4 network topologies, direct-link node is intercommunication, two-way Metric
Value is identical.Plan now implements SR for the path of S nodes to D nodes, it is desirable to have to pass through S-A,
A-B, B-C and C-D.Although having got router id inside the LSP of A nodes, if
By parsing the router id use information TLV of A nodes, the router id of A nodes carrying is found simultaneously
It bel not applied to SR, then S nodes will be abandoned parsing the proprietary sub- TLV of SR, and it is dynamic to stop SR correlations
Make.
The embodiments of the invention provide a kind of interacting message device, as shown in figure 5, the device includes：Extremely
The processor of few execution following module：
Message processing module 501, is arranged to：Increase router id in interactive message between the routers
Use information TLV, router id use information TLV are used for the road for showing to send the router of message
Which which used by device ID by or application；
Operation module 502, is arranged to：Described in from the message that other routers are received
Router id use information TLV, to perform router id using the router for sending message
Using corresponding operation.
Alternatively, the message processing module 501 is also configured to：Router is set in the message
Router id.
Alternatively, the message processing module 501 is arranged to following manner and interacted between the routers
Message in increase router id use information TLV：In the router id use information TLV bags
Sub- TLV types, sub- TLV length and sub- TLV contents are set in the content field included.
Alternatively, the message processing module 501 is arranged to following manner and sets the sub- TLV classes
Type：The sub- TLV types are set into IPv4 router ids use information or IPv6 router ids makes
Use information.
Alternatively, the message processing module 501 is arranged to following manner and interacted between the routers
Message in increase router id use information TLV：Setting is included using the application of router id：
TE (Traffic Engineering, traffic engineering), Remote-LFA (Loop free alternate) and SR
One or more in (Segment Routing, Segment routing).
Alternatively, the message processing module 501 is arranged in the following manner setting sub- TLV
Hold：Mark flag and corresponding description are set in the sub- TLV content fields, pass through the flag and description
Show that the router id for sending the router of message is used by which or which application, reflect simultaneously
The router id is not used by which or which application.Why can reflect the router herein
ID is not used by which or which application, rather than shows the router id not by which or which
Using using, be because from the following examples one iting was found from, sub- TLV content fields by indicate flag with
Corresponding description can only show that the router id for sending the router of message is applied by which or which
Use.
Alternatively, the operation module 502 is arranged to following manner execution using transmission message
The application of router id of router operate accordingly：
When the router id use information TLV is showing the router id of the router of transmission message
By a certain application or some applications in use, setting up topology corresponding with the application or these applications or tunnel；
When the router id use information TLV router ids for sending out the router for mirroring transmission message do not have
Have by a certain application or some applications in use, abandoning or stopping setting up corresponding to the application or these applications
Topology or tunnel.
Alternatively, said apparatus is located in router.
Said apparatus part corresponding with method is identical with realizing for method, will not be repeated here.
In above-mentioned technical proposal, if the message received includes router id use information TLV, road
After the router id for parsing in message by equipment, by according to the letter inside router id use information TLV
Cease to use the router id, it is to avoid useless processing is done, so as to reduce the unnecessary resource loss of router.
If it should be noted that not conflicting, each feature in the embodiment of the present invention and embodiment can
To be combined with each other, within protection scope of the present invention.Patrolled in addition, though showing in flow charts
Volume order, but in some cases, can be shown or described to be performed different from order herein
Step.
One of ordinary skill in the art will appreciate that all or part of step in the above method can pass through program
To instruct related hardware to complete, described program can be stored in computer-readable recording medium, such as read-only
Memory, disk or CD etc..Alternatively, all or part of step of above-described embodiment can also be used
One or more integrated circuits are realized.Correspondingly, each module/unit in above-described embodiment can be used
The form of hardware is realized, it would however also be possible to employ the form of software function module is realized.The present invention is not restricted to appoint
The combination of the hardware and software of what particular form.
Certainly, the present invention can also have other various embodiments, without departing substantially from of the invention spiritual and its essence
In the case of, those skilled in the art work as can make various corresponding changes and change according to the present invention
Shape, but these corresponding changes and deformation should all belong to the scope of the claims of the present invention.
Claims (15)
1. a kind of method of interacting message between router, it is characterised in that this method includes：
Increase router id use information TLV, the router id in interactive message between the routers
The router id that use information TLV is used to show to send the router of message is answered by which or which
With using；
One router from the router id in the message that other routers are received by using
Information TLV, is grasped accordingly to perform the application of router id of router using transmission message
Make.
2. the method for interacting message between router as claimed in claim 1, it is characterised in that described
Also include the router id for sending the router of message in message.
3. the method for interacting message between router as claimed in claim 1, it is characterised in that described
Content field included by router id use information TLV includes sub- TLV types, sub- TLV length
Degree and sub- TLV contents.
4. the method for interacting message between router as claimed in claim 3, it is characterised in that described
Sub- TLV types include IPv4 router ids use information and IPv6 router ids use information both
Type.
5. the method for interacting message between router as claimed in claim 1, it is characterised in that described
Included using the application of the router id：TE (Traffic Engineering, traffic engineering),
One in Remote-LFA (Loop free alternate) and SR (Segment Routing, Segment routing)
Plant or a variety of.
6. the method for interacting message between router as claimed in claim 3, it is characterised in that described
Sub- TLV content fields include mark flag and corresponding description, and hair is can show that by the flag and description
The router id of the router of message is sent to be used by which or which application, while reflecting the route
Device ID is not used by which or which application.
7. the method for interacting message between router as claimed in claim 1, it is characterised in that described
The step of application for performing router id using the router for sending message is operated accordingly includes：
When the router id use information TLV is showing the router id of the router of transmission message
During by a certain application or some applications, topology corresponding with the application or these applications or tunnel are set up；
When the router id use information TLV reflects that the router id for the router for sending message does not have
Have by a certain application or some applications in use, abandoning or stopping setting up corresponding to the application or these applications
Topology or tunnel.
8. a kind of interacting message device, it is characterised in that the device includes：At least one performs following mould
The processor of block：
Message processing module, is arranged to：Increase router id is used in interactive message between the routers
Information TLV, router id use information TLV are used for the router for showing to send the router of message
ID is used by which or which application；
Operation module, is arranged to：One router passes through from the message that other routers are received
The router id use information TLV, to perform router using the router for sending message
ID application is operated accordingly.
9. interacting message device as claimed in claim 8, it is characterised in that the message processing module
It is also configured to：The router id of router is set in the message.
10. interacting message device as claimed in claim 8 or 9, it is characterised in that at the message
Reason module is arranged to increase router id in the message that following manner is interacted between the routers and used
Information TLV：Sub- TLV is set in the content field included by the router id use information TLV
Type, sub- TLV length and sub- TLV contents.
11. interacting message device as claimed in claim 10, it is characterised in that the Message Processing mould
Block is arranged to following manner and sets the sub- TLV types：The sub- TLV types are set to IPv4
Router id use information or IPv6 router id use informations.
12. interacting message device as claimed in claim 8, it is characterised in that the Message Processing mould
Block is arranged in the message that following manner is interacted between the routers increase router id use information
TLV：Setting is included using the application of the router id：TE (Traffic Engineering, stream
Measure engineering), (Segment Routing are segmented road by Remote-LFA (Loop free alternate) and SR
By) in one or more.
13. interacting message device as claimed in claim 10, it is characterised in that the Message Processing mould
Block is arranged to following manner and sets the sub- TLV contents：Set in the sub- TLV content fields
Indicate flag and corresponding description, show to send the router of the router of message by the flag and description
ID is used by which or which application, while reflecting the router id not by which or which
Using using.
14. interacting message device as claimed in claim 8, it is characterised in that the operation module is set
The application for being set to the router id for performing router using transmission message as follows is corresponding
Operation：
When the router id use information TLV is showing the router id of the router of transmission message
By a certain application or some applications in use, setting up topology corresponding with the application or these applications or tunnel；
When the router id use information TLV router ids for sending out the router for mirroring transmission message do not have
Have by a certain application or some applications in use, abandoning or stopping setting up corresponding to the application or these applications
Topology or tunnel.
15. interacting message device as claimed in claim 8, it is characterised in that the device is located at route
In device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136162.7A CN107181689B (en) | 2016-03-10 | 2016-03-10 | Message interaction method and device between routers |
| PCT/CN2016/095728 WO2017152585A1 (en) | 2016-03-10 | 2016-08-17 | Method and device for message exchange between routers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610136162.7A CN107181689B (en) | 2016-03-10 | 2016-03-10 | Message interaction method and device between routers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107181689A true CN107181689A (en) | 2017-09-19 |
| CN107181689B CN107181689B (en) | 2021-09-14 |
Family
ID=59789953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610136162.7A Active CN107181689B (en) | 2016-03-10 | 2016-03-10 | Message interaction method and device between routers |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107181689B (en) |
| WO (1) | WO2017152585A1 (en) |
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| CN110535766A (en) * | 2018-05-25 | 2019-12-03 | 华为技术有限公司 | A kind of method and apparatus generating routing |
| WO2020253748A1 (en) * | 2019-06-17 | 2020-12-24 | 华为技术有限公司 | Message processing method, device, and computer storage medium |
| CN113507417A (en) * | 2018-10-27 | 2021-10-15 | 华为技术有限公司 | Message processing method, related equipment and computer storage medium |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107181689B (en) | 2021-09-14 |
| WO2017152585A1 (en) | 2017-09-14 |
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