CN103580884B - Method, system, sending ending equipment and the receiving device of relaying configuration - Google Patents
Method, system, sending ending equipment and the receiving device of relaying configuration Download PDFInfo
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- CN103580884B CN103580884B CN201210251063.5A CN201210251063A CN103580884B CN 103580884 B CN103580884 B CN 103580884B CN 201210251063 A CN201210251063 A CN 201210251063A CN 103580884 B CN103580884 B CN 103580884B
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Abstract
The invention discloses a kind of method of relaying configuration, system, sending ending equipment and receiving devices, wherein this method, including：Path configuration information is added in sending ending equipment in the message for being sent to opposite end, wherein path configuration information includes the number information and precedence information in path；The message that path configuration information is added is sent to receiving device by sending ending equipment.By with the present invention, in the case of solving path fails in the related technology, two endpoints are inconsistent to the path negotiation to be switched, the problem of leading to service disconnection, and then two endpoint devices is allow to hold consultation, the performance of system will not be improved again because failing to consultations and interrupting service.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of method of relaying configuration, system, sending ending equipment and
Receiving device.
Background technology
The linear protection of protection technique of transmission network and looped network protection, relevant agreement are formulated respectively in ITU-T at present
And IETF.For example, the standard that ITU-T is formulated is G.8131, G.8132, the agreement used is automatic protection switching（Automatic
Protection Switching, referred to as APS）, the pretection switch agreement of ietf definition（Protection State
Coordination, referred to as PSC）, relevant standard has RFC6378.1+1 in view of linear protection switching and 1：1 standard,
One Protection path can only protect an operating path, and in order to improve the utilization rate of resource, the two normal structures develop respectively
1：The pretection switch technology of N.
1:The framework of N pretection switch is as shown in Figure 1, in network element（Network Element are referred to as NE）Between A and NE B
It is sharing memory as possible to have N operating path, a Protection path, this N+1 paths（Shared Risk Link
Group, referred to as SRLG）Separation, reduce the probability of simultaneous faults.One Protection path protects N operating path, according to this
N items walk the maximum bandwidth in path and require to reserve resource altogether；When an operating path fails, the path of the failure is protected；
In the case of mulitpath simultaneous faults, a paths of highest priority are only protected.Two endpoints are referred here to path
The distribution of priority is consistent, and otherwise in mulitpath simultaneous faults, two end nodes differ to the path negotiation to be switched
It causes, causes pretection switch agreement APS or PSC to enter halted state, business interruption time is long.
Further, the pretection switch configuration of current transmission network is all based on webmaster（Network Management
System, referred to as NMS）, it is respectively configured in two nodes, manual operations is easily configured error；In addition the webmaster of each manufacturer
System is all privately owned scheme, and interconnecting property is bad.For example, the NE A in Fig. 1 are A manufacturers, and the NE B in figure are B manufacturers
, the NEA of A manufacturers is configured by its network management system NMS A；The NE B of B manufacturers are configured by its network management system NMS B.In view of
Lack the standard to interconnect between NMS A and NMS B, the co-ordination of configuration can only pass through the BSS of group of operator
(Business Support System)/OSS (Operation Support System) system, and the same BSS/ of NMS at present
The northbound interface of OSS intercommunications is not also related to the configuration of protection.
Invention content
The present invention provides a kind of method of relaying configuration, system, sending ending equipment and receiving devices, at least to solve
In the related technology, in the case of path fails, two endpoints are inconsistent to the path negotiation to be switched, and lead to service disconnection
The problem of.
According to an aspect of the invention, there is provided a kind of method of relaying configuration, including：Sending ending equipment is being sent to pair
Path configuration information is added in the message at end, wherein the path configuration information includes the number information and priority letter in path
Breath；The message that the path configuration information is added is sent to receiving device by the sending ending equipment.
Preferably, sending ending equipment path configuration information is added in the message for being sent to opposite end includes：The path configuration
Information includes the first field and the second field, wherein first field is used to indicate the number in the path, second word
Section is used to indicate the priority in the path.
Preferably, the path configuration information is carried in the Resource Reservation Protocol based on Traffic Engineering extensions（RSVP-
Traffic Engineering, referred to as RSVP-TE）In signaling, wherein only include in the path configuration information with it is described
The corresponding path configuration information in path.
Preferably, the case where only including path configuration information corresponding with the path in the path configuration information
Under, the path configuration information carries in the PATH message in the path.
Preferably, in the case where the path configuration information carries pretection switch agreement or advertizing protocol scene, the path is matched
Confidence breath further includes third field and the 4th field, wherein the third field is used to indicate the Tunnel ID marks in the path
Know, the 4th field is used to indicate the LSP ID marks in the path；The path configuration information transmits on Protection path,
The path configuration information includes the path configuration information in all paths.
Preferably, the sending ending equipment by the message that the path configuration information is added be sent to receiving device it
Afterwards, further include：The receiving device receives the path configuration information from sending ending equipment；The receiving device according to
Relaying configuration is carried out to the path according to the path configuration information.
Preferably, the receiving device includes to path progress relaying configuration according to the path configuration information：
Priority in mulitpath failure and the mulitpath is different, and the priority according to the path is described
The path this time switched is determined in mulitpath；In the mulitpath failure and the identical feelings of priority of the mulitpath
Under condition, the number according to the path determines the path this time switched in the mulitpath.
According to another aspect of the present invention, a kind of sending ending equipment is provided, including：Add module, for being sent to
Path configuration information is added in the message of opposite end, wherein the path configuration information includes the number information and priority in path
Information；Sending module, for the message that the path configuration information is added to be sent to receiving device.
Preferably, path configuration information is added in the add module in the following manner：The path configuration information includes the
One field and the second field, wherein first field is used to indicate the number in the path, and second field is used to indicate
The priority in the path.
Preferably, the sending module, for carrying the path configuration information in RSVP-TE signalings, wherein
It only include path configuration information corresponding with the path in the path configuration information.
Preferably, the add module, for carrying pretection switch agreement or advertizing protocol in the path configuration information
Under scene, the path configuration information further includes third field and the 4th field, wherein the third field is used to indicate described
The Tunnel ID marks in path, the 4th field are used to indicate the LSP ID marks in the path；The sending module is used
Under carrying pretection switch agreement or advertizing protocol scene in the path configuration information, the path is transmitted on Protection path
Configuration information, wherein the path configuration information includes the path configuration information in all paths.
According to a further aspect of the invention, a kind of receiving device is provided, including：Receiving module comes for receiving
From the path configuration information of sending ending equipment, wherein the path configuration information includes the number information in path and preferential
Grade information；Configuration module, for carrying out relaying configuration to the path according to the path configuration information.
Preferably, the configuration module is configured in the following way：In mulitpath failure and the mulitpath
Priority it is different in the case of, priority according to the path determines the road this time switched in the mulitpath
Diameter；Priority in the mulitpath failure and the mulitpath is identical, and the number according to the path exists
The path this time switched is determined in the mulitpath.
According to a further aspect of the invention, a kind of system of relaying configuration is provided, which is characterized in that including：It is above-mentioned
Receiving device described in the sending ending equipment and any of the above-described of any one.
Present invention employs following methods：Path configuration information is added in the message of transmission by sending ending equipment, and will be added
The message for entering the path configuration information is sent to receiving device, wherein path configuration information is the number and priority in path
Information.By with the present invention, path configuration information is added in the message of transmission, the path configuration information by addition with connect
Receiving end equipment is held consultation, and in the case of solving path fails in the related technology, two endpoints are to the path to be switched
Negotiate inconsistent, the problem of leading to service disconnection, and then two endpoint devices is allow to hold consultation, it will not be again because negotiating not
Succeed and interrupting service, improves the performance of system.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram according to the pretection switch framework of the relevant technologies；
Fig. 2 is the flow chart of the method for relaying configuration according to the ... of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram one of TLV messages according to the ... of the embodiment of the present invention；
Fig. 4 is the structural schematic diagram two of TLV messages according to the ... of the embodiment of the present invention；
Fig. 5 is the flow chart of the method for receiving device relaying configuration according to the ... of the embodiment of the present invention；
Fig. 6 is shown according to the structure of protected object in extending RSVP-TE signaling protocols of the preferred embodiment of the present invention one
It is intended to；
Fig. 7 is the structural schematic diagram of PSC message formats in extending PSC agreements according to the preferred embodiment of the present invention two；
Fig. 8 is the structure diagram of sending ending equipment according to the ... of the embodiment of the present invention；
Fig. 9 is the structure diagram of receiving device according to the ... of the embodiment of the present invention；
Figure 10 is the structure diagram of the system of relaying configuration according to the ... of the embodiment of the present invention.
Specific implementation mode
Come that the present invention will be described in detail below with reference to attached drawing and in conjunction with the embodiments.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.
In the case of path fails in the related technology, two endpoints are inconsistent to the path negotiation to be switched,
The problem of leading to service disconnection, an embodiment of the present invention provides a kind of method of relaying configuration, flow such as Fig. 2 institutes of this method
Show, including step S202 to step S204：
Path configuration information is added in step S202, sending ending equipment in the message for being sent to opposite end, wherein matches confidence in path
Breath includes the number information and precedence information in path；
The message that path configuration information is added is sent to receiving device by step S204, sending ending equipment.
The embodiment of the present invention uses following method：Path configuration information is added in the message of transmission by sending ending equipment,
And the message that the path configuration information is added is sent to receiving device, wherein path configuration information be path number and
Precedence information.By using the embodiment of the present invention, path configuration information is added in the message of transmission, passes through the path of addition
Configuration information is held consultation with receiving device, in the case of solving path fails in the related technology, two endpoints pair
The path negotiation to be switched is inconsistent, the problem of leading to service disconnection, and then two endpoint devices is allow to hold consultation, will not
Again because failing to consultations and interrupting service, the performance of system is improved.
During step S202 is implemented, the path configuration information includes the first field and the second field, wherein the
One field is used to indicate the number in path, and the second field is used to indicate the priority in path.In the step implementation process, also may be used
To be to be added the first field mapping relations corresponding with the second field.After adding number information and precedence information,
Sending ending equipment can send the message that the path configuration information is added, and by the path configuration information of addition with connect
Receiving end equipment is negotiated.
During the message that path configuration information is added is sent to receiving device by sending ending equipment, if path
It is only to include the configuration information in the path in path configuration information under the scene by RSVP-TE signaling dynamic creations.
In implementation process, if the information or mapping relations of path configuration information reflection carry the letter in a paths
In order, for example, RSVP-TE path（Path）In message or LSP Ping, then the structure of the TLV messages can be such as Fig. 3 institutes
Show.Wherein, the number in the Path field references path, the priority in the Priority field references path；Although here
Path fields and Priority fields are all 8 bits, but herein merely to explanation, can be to it during actual implementation
Bit number is arbitrarily arranged, and is not limited herein.
During the message that path configuration information is added is sent to receiving device by sending ending equipment, if currently
It is carried under pretection switch agreement or advertizing protocol scene in path configuration information, the path configuration information can also include the
Three fields and the 4th field, wherein third field is used to indicate the Tunnel ID marks in path, and the 4th field is used to indicate road
The LSP ID marks of diameter, the TLV message formats being added after above-mentioned two field can be as shown in Figure 4；Path configuration information is being protected
It is transmitted on road maintenance diameter, path configuration information includes the path configuration information in all paths.
In implementation process, if the information or mapping relations of path configuration information reflection carry pretection switch agreement（APS
Or PSC）Or other advertizing protocol, such as it is general with path channels advertizing protocol（Gach Advertisement
Protocol, referred to as GAP）In, in view of PSC（Or APS）It is to operate on Protection path, needs to carry N+1 paths
Path configuration information（Mapping relations）, TLV structures can be illustrated in fig. 4 shown below.
In Fig. 4, the unique mark of a paths is made of Global ID, Node ID, Tunnel ID, LSP ID, mirror
In 1：The head and the tail node of N Protection paths is identical, thus Global ID and Node ID can be saved, and only uses Tunnel ID:
LSP ID carry out unique mark one 1：Path in N protection groups, Path are to the number of the path allocation, and Priority is the road
The priority of diameter distribution.Mapping relations of the mark with Path and Priority of this N+1 paths are carried in the TLV.Work as road
The number of diameter be odd number when, behind to be stuffed entirely with being 0, i.e. Padding so that change TLV4 byte-aligneds；When path
It is natural to be aligned, it is no longer necessary to padding when number is even number.
After the message that path configuration information is added is sent to receiving device by the sending ending equipment of step S204, connect
Receiving end equipment receives its signaling, which includes step S502 shown in fig. 5 to step S504：
Step S502, receiving device receive the path configuration information from sending ending equipment；
Step S504, receiving device carry out relaying configuration according to path configuration information to path.
During step S504 is implemented, receiving device is according to the number and precedence information of each paths to the road
The protection process of diameter is configured.
In configuration process, if in the case of the priority in mulitpath failure and mulitpath is different, connect
Receiving end equipment determines the path this time switched according to the priority in path in mulitpath, for example, by the higher road of priority
Diameter first carries out relaying configuration according to path configuration information.If receiving device is in the excellent of mulitpath failure and mulitpath
In the case of first grade is identical, the path this time switched can be determined in mulitpath according to the number in path, for example, first protecting
Switch the largest number of path.
The information that the embodiment of the present invention passes through addition path and priority（Or it is mapping relations）, and it is carried on one
In a TLV structures, another end node is sent to by an end node.Secondly, when to receive the path configuration information anti-for opposite end
When the information or mapping relations reflected, relaying configuration can be either automatically or manually carried out based on the path configuration information.
Using present invention method, it can be ensured that 1：Two end nodes of N protection systems match path priority
It sets unanimously, in the case of mulitpath simultaneous faults, service message can be correctly switched on Protection path.
Below in conjunction with the accompanying drawings and preferred embodiment further illustrates embodiment of the present invention.
Preferred embodiment one
This preferred embodiment is to ensure to execute priority configuration consistency of two end nodes to path of pretection switch agreement,
Propose a kind of method of relaying configuration, which carries reflecting for path and priority in extending RSVP-TE signaling protocols
Firing table item.
As shown in Figure 1, node A（NE A）With node B（NE B）Between be configured with 1：N protection groups, a Protection path are protected
Protect N operating path.Node A and node B is the common first and last node of this N+1 paths, can be connected directly, can also be intermediate
Across many nodes.In general this N+1 paths belongs to different SRLG, such as among different optical fiber, in this way when
When the accident that optical fiber is cut off occurs, only has a paths and be affected, being unlikely to N+1 paths cannot all use.Protection path
Number be 0, the number of operating path is successively from 1 to N.If this N+1 paths is control plane dynamic foundation generation,
Then each is all that independent signaling creates, then can be the mapping item of path and priority from one end during establishment
Take the other end to.
The establishment of this N+1 paths can be based on NMS on A points, can also be order line（Command-Line
Interface, referred to as CLI）, or other mode triggers；There are one individual signaling procedures in each path.
A protection can be carried in the signaling Path message in each path sent out from A points（Protection）Object
It is associated with one（Association）Object, definition are described in RFC4872 and RFC4873, wherein affiliated partner
This N+1 paths is associated together and forms a protection group, and Protection objects then indicate that the path is protection road
Diameter or operating path and pretection switch are to be based on transport plane or control plane.Wherein, the format of protected object such as Fig. 6
It is shown, it is " 0x041 in the type of LSP Flags:When N Protection with Extra-Traffic ", if path is
Operating path, P flag bits and S flag bits must be reset；If path is Protection path, S flag bits are reset, P flag bits
Set 1.
When it carries sub-TLV, the mapping relations for carrying path priority and path number are as follows：If path is
Protection path, then, the Mapping TLV defined here can as TLV or adjoint object of the object,
Wherein Path fields are set as 0, show that the priority that the number of Protection path is 0, Priority is set as highest, for example be 0；
If path is operating path, wherein Path fields are set as the number in path, for example are that 3, Priority fields are set as road
The priority of diameter, such as 20.It should be noted that different path numbers centainly cannot be identical, but its priority can match
It is set to the same.If priority is configured to the same, when two priority identical path simultaneous faults, can be based on channel
Any number paths determined to switch, for example, switching the minimum path of number.
The Path message that A points are sent out can pass through a jump or multi-hop gets to destination node B, B point and receives this N+1 item
After the Path message in path, affiliated partner therein and protected object are extracted.Wherein, affiliated partner uniquely identifies one
Protection group, and the configuration information of the protection group is then carried in protected object, and these configuration informations are for carrying out relaying configuration.
For receiving device B points, from the carrier of identification path priority and path number mapping relations（It can be one individual
Object can also be the sub-TLV of protected object, or otherwise）Middle extraction mapping relations；For configuration path and
The mapping relations of priority, it is ensured that with the consistent of A points configuration.Wherein, the information extracted can be submitted and be protected automatically
Configuration generates the mapping relations list item in configuration information；Can also first be presented to webmaster, webmaster issue again relaying configuration order with
Carry out relaying configuration.
Preferred embodiment two
This preferred embodiment is to ensure to execute priority configuration consistency of two end nodes to path of pretection switch agreement,
Propose one kind 1：The method of N relaying configurations, the embodiment carry the mapping table in path and priority in extending PSC agreements
.
As shown in Figure 1, node A（NE A）With node B（NE B）Between be configured with 1：N protection groups, a Protection path are protected
Protect N operating path.Node A and node B is the common first and last node of this N+1 paths, can be connected directly, can also be intermediate
Across many nodes.In general this N+1 paths belongs to different SRLG, such as among different optical fiber, in this way when
When the accident that optical fiber is cut off occurs, only has a paths and be affected, being unlikely to N+1 paths cannot all use.Protection path
Number be 0, the number of operating path is successively from 1 to N.This N+1 paths can be webmaster static configuration, and webmaster is not only matched
The forwarding-table item in path is set, while configuring protection group and enabled protection group, two end nodes on Protection path mutually fall by hair protection
Agreement is changed, can be PSC can also be APS.Here extension PSC APS agreements carry the mapping item in path and priority.
The extension of PSC or APS is similar, and below as an example with PSC, PSC agreements do 1：The message format of N pretection switch such as Fig. 7 institutes
Show.
In implementation process, webmaster distribution configuration command, it is fixed that Fig. 4 is inserted into instruction in the PSC messages that A points are sent to B points
The Mapping TLV, the optional TLV as PSC messages of justice；In order to reduce the expense of message, can be inserted in first three message
Enter the TLV, and do not have to be inserted into TLV messages below, naturally it is also possible to be inserted into always, not be limited here.When B node is received
To after the PSC messages, the Mapping TLV of carrying are parsed.If the node has been configured with the mapping of the path and priority
List item, check be configured with whether consistent sent from A points, do not have to change if consistent；If it is inconsistent, repairing
Change the mapping item, the mapping item that it sends with A points is made to be consistent.If the node does not have configuration path and priority
Mapping item be stored in local, path when for consequent malfunction is fallen then in the mapping item that sends of B points extraction A points
Change judgement.
Receiving device B points can carry the Mapping TLV in the response PSC messages for being sent to A points.If carried,
It is consistent to illustrate that B points have configured local mapping item with A points；It here, can also be only preceding in order to reduce message expense
The TLV is carried in three response messages, can also be carried always.Certainly, B points can also be in the response PSC messages for being sent to A points
The Mapping TLV, the configuration modification that acquiescence B points are bound to according to A points are not carried.
Preferred embodiment three
This preferred embodiment is 1：During N protection group normal operations, it might have new path and the protection group be added；
Or a paths no longer bearer service, it is deleted from the Protection path group, therefore propose a kind of configuration of Protection path
The method for being added in journey or deleting path.
If newly adding the path of a dynamic creation, the number in the path may be K, and K cannot be any one guarantor
The number of existing work or Protection path in shield group, priority may be X, which needs to carry is sent to B points in A points
In Path message.It is preserved after B points receive the information and carries out relaying configuration.
A paths are deleted if it is dynamic, then carrying the characterization road in the Path Tear message that A points are sent to B points
The TLV of diameter and path priority mapping relations, B point can be from the mapping tables locally preserved as middle deletion should after receiving the message
Entry, and it is advertised as pretection switch module.
If newly adding the path of a static configuration, the number in the path may be K, and K cannot be any one guarantor
The number of existing work or Protection path in shield group, priority may be X, which needs to carry is sent to B points in A points
In PSC message.In order to reduce the expense of message, can first three PSC update message in be inserted into it is updated after TLV, and
Do not have to be inserted into subsequent TLV messages, naturally it is also possible to be inserted into always, not be limited here.In addition, the TLV can be carried
All paths（Including K paths）Path same priority mapping relations, can also only carry the mapping of K paths
Relationship can only carry the mapping relations of K paths to reduce message expense.
It is preserved after B points receive the information, it is updated that B points can carry this in the response PSC messages for being sent to A points
Mapping TLV.If carried, it is consistent to illustrate that B points have configured local mapping item with A points；Here in order to reduce
Message expense only can also carry the TLV in first three response message, can also carry always.Certainly, B points can also be
It is sent in the response PSC messages of A points and does not carry the Mapping TLV, the configuration modification that acquiescence B points are bound to according to A points.Together
Reason, deletes K paths, then to carry updated mapping in the PSC message that A points are sent to B points if it is static state
TLV can be only the mapping relations for reflecting K paths, can also be the mapping in the path in the remaining protection group of reflection
Relationship preserves after B points receive the information, and it is updated optionally in the response PSC messages for being sent to A points to carry this
Mapping TLV。
The embodiment of the present invention additionally provides a kind of sending ending equipment, and the structure of the equipment is as shown in figure 8, include：Add mould
Block 10, for path configuration information to be added in the message for being sent to receiving terminal, wherein path configuration information includes the number in path
Information and precedence information；Sending module 20 is coupled with add module 10, and the message for path configuration information will to be added is sent
To receiving device.
In implementation process, path configuration information is added in add module 10 in the following manner：The path configuration information packet
Include the first field and the second field, wherein the first field is used to indicate the number in path, and the second field is used to indicate the excellent of path
First grade.
In different scenes, sending module 20 is for executing different operations.Under RSVP-TE scenes, sending module
20 carry path configuration information in RSVP-TE signalings, and path configuration information is transmitted on all paths in protection group,
In, only include path configuration information corresponding with path in path configuration information.In implementation process, add module 10 is in path
Configuration information carries under pretection switch agreement or advertizing protocol scene, and the path configuration information further includes third field and the 4th
Field, wherein third field is used to indicate the Tunnel ID marks in path, and the 4th field is used to indicate the LSP ID marks in path
Know；
Sending module 20 sends mould under carrying pretection switch agreement or advertizing protocol scene in path configuration information
Block 20 transmits path configuration information on Protection path, wherein path configuration information includes that confidence is matched in the path in all paths
Breath.
The embodiment of the present invention additionally provides a kind of receiving device, and the receiving device is as shown in figure 9, include：Receiving module
30, for receiving the path configuration information from sending ending equipment, wherein path configuration information include path number information and
Precedence information；Configuration module 40 is coupled with receiving module 30, is matched for carrying out protection to path according to path configuration information
It sets.
In implementation process, configuration module 40 is configured in the following way：In mulitpath failure and mulitpath
Priority it is different in the case of, the priority according to path determines the path this time switched in mulitpath；A plurality of
In the case of the priority of path failure and mulitpath is identical, the number in foundation path is determining in mulitpath this time to switch
Path.
The embodiment of the present invention additionally provides a kind of system of relaying configuration, and the structure of the system is as shown in Figure 10, including upper
State sending ending equipment 1 and receiving device 2.
It can be seen from the above description that the present invention realizes following technique effect：
The embodiment of the present invention uses following method：Path configuration information is added in the message of transmission by sending ending equipment,
And the message that the path configuration information is added is sent to receiving device, wherein path configuration information be path number and
Precedence information.By using the embodiment of the present invention, path configuration information is added in the message of transmission, passes through the path of addition
Configuration information is held consultation with receiving device, in the case of solving path fails in the related technology, two endpoints pair
The path negotiation to be switched is inconsistent, the problem of leading to service disconnection, and then two endpoint devices is allow to hold consultation, will not
Again because failing to consultations and interrupting service, the performance of system is improved.
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 with different from shown in sequence execution herein
The step of going out or describing, either 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, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (13)
1. a kind of method of relaying configuration, which is characterized in that including：
Path configuration information is added in sending ending equipment in the message for being sent to opposite end, wherein the path configuration information includes road
The number information and precedence information of diameter；
The message that the path configuration information is added is sent to receiving device by the sending ending equipment；
Wherein, in the case where the path configuration information carries pretection switch agreement or advertizing protocol scene, the path configuration information
Including third field and the 4th field, wherein the third field is used to indicate the Tunnel ID marks in the path, described
4th field is used to indicate the LSP ID marks in the path；The path configuration information transmits on Protection path, the road
Diameter configuration information includes the path configuration information in all paths.
2. according to the method described in claim 1, it is characterized in that, path is added in sending ending equipment in the message for being sent to opposite end
Configuration information includes：
The path configuration information includes the first field and the second field, wherein first field is used to indicate the path
Number, second field is used to indicate the priority in the path.
3. method according to claim 1 or 2, which is characterized in that the path configuration information is carried based on flow work
In the Resource Reservation Protocol RSVP-TE signalings of journey extension, wherein only include corresponding with the path in the path configuration information
Path configuration information.
4. according to the method described in claim 3, it is characterized in that, only including and the path in the path configuration information
In the case of corresponding path configuration information, the path configuration information carries in the PATH message in the path.
5. according to the method described in claim 1, it is characterized in that, the path configuration information will be added in the sending ending equipment
Message be sent to after receiving device, further include：
The receiving device receives the path configuration information from sending ending equipment；
The receiving device carries out relaying configuration according to the path configuration information to the path.
6. according to the method described in claim 5, it is characterized in that, the receiving device is according to the path configuration information pair
The path carries out relaying configuration：
Priority in mulitpath failure and the mulitpath is different, and the priority according to the path exists
The path this time switched is determined in the mulitpath；
Priority in the mulitpath failure and the mulitpath is identical, and the number according to the path exists
The path this time switched is determined in the mulitpath.
7. a kind of sending ending equipment, which is characterized in that including：
Add module, for path configuration information to be added in the message for being sent to opposite end, wherein the path configuration information includes
The number information and precedence information in path；
Sending module, for the message that the path configuration information is added to be sent to receiving device；
Wherein, in the case where the path configuration information carries pretection switch agreement or advertizing protocol scene, the path configuration information
Including third field and the 4th field, wherein the third field is used to indicate the Tunnel ID marks in the path, described
4th field is used to indicate the LSP ID marks in the path；The path configuration information transmits on Protection path, the road
Diameter configuration information includes the path configuration information in all paths.
8. sending ending equipment according to claim 7, which is characterized in that path is added in the add module in the following manner
Configuration information：
The path configuration information includes the first field and the second field, wherein first field is used to indicate the path
Number, second field is used to indicate the priority in the path.
9. sending ending equipment according to claim 7 or 8, which is characterized in that the sending module is used for the path
Configuration information carries in the Resource Reservation Protocol RSVP-TE signalings based on Traffic Engineering extensions, wherein matches confidence in the path
It only include path configuration information corresponding with the path in breath.
10. sending ending equipment according to claim 8, which is characterized in that the add module, for matching in the path
Confidence breath carries under pretection switch agreement or advertizing protocol scene, and the path configuration information further includes third field and the 4th word
Section, wherein the third field is used to indicate the Tunnel ID marks in the path, and the 4th field is used to indicate described
The LSP ID marks in path；
The sending module is being protected under carrying pretection switch agreement or advertizing protocol scene in the path configuration information
The path configuration information is transmitted on road maintenance diameter, wherein the path configuration information includes that confidence is matched in the path in all paths
Breath.
11. a kind of receiving device, which is characterized in that including：
Receiving module, for receiving the path configuration information from sending ending equipment, wherein the path configuration information includes road
The number information and precedence information of diameter；
Configuration module, for carrying out relaying configuration to the path according to the path configuration information；
Wherein, in the case where the path configuration information carries pretection switch agreement or advertizing protocol scene, the path configuration information
Including third field and the 4th field, wherein the third field is used to indicate the Tunnel ID marks in the path, described
4th field is used to indicate the LSP ID marks in the path；The path configuration information transmits on Protection path, the road
Diameter configuration information includes the path configuration information in all paths.
12. receiving device according to claim 11, which is characterized in that the configuration module carries out in the following way
Configuration：
Priority in mulitpath failure and the mulitpath is different, and the priority according to the path exists
The path this time switched is determined in the mulitpath；
Priority in the mulitpath failure and the mulitpath is identical, and the number according to the path exists
The path this time switched is determined in the mulitpath.
13. a kind of system of relaying configuration, which is characterized in that including：The transmitting terminal of any one of claim 7 to 10 is set
Standby and claim 11 or 12 the receiving device.
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| CN108243104B (en) * | 2016-12-23 | 2021-03-16 | 中兴通讯股份有限公司 | Multi-layer LSP control method and device |
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| CN1753324A (en) * | 2004-09-21 | 2006-03-29 | 华为技术有限公司 | Method of implementing M:N protection in communication network and its network node device |
| CN101729278A (en) * | 2008-10-27 | 2010-06-09 | 华为技术有限公司 | Channel protection method, node device and communication system |
| CN102148694A (en) * | 2010-02-04 | 2011-08-10 | 中兴通讯股份有限公司 | Linear 1-to-N protection method, device and system for packet transport network |
| CN102315970A (en) * | 2011-09-23 | 2012-01-11 | 北京星网锐捷网络技术有限公司 | Data center bridging parameter configuration method, system and network equipment |
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| CN100385891C (en) * | 2005-11-17 | 2008-04-30 | 华为技术有限公司 | Method and apparatus for realizing group protection in MPLS network |
| CN102006188B (en) * | 2010-11-19 | 2014-07-16 | 中兴通讯股份有限公司 | Path back switching method and device in transport network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1753324A (en) * | 2004-09-21 | 2006-03-29 | 华为技术有限公司 | Method of implementing M:N protection in communication network and its network node device |
| CN101729278A (en) * | 2008-10-27 | 2010-06-09 | 华为技术有限公司 | Channel protection method, node device and communication system |
| CN102148694A (en) * | 2010-02-04 | 2011-08-10 | 中兴通讯股份有限公司 | Linear 1-to-N protection method, device and system for packet transport network |
| CN102315970A (en) * | 2011-09-23 | 2012-01-11 | 北京星网锐捷网络技术有限公司 | Data center bridging parameter configuration method, system and network equipment |
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