CN105704044A - Method and device for sending notification information - Google Patents
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- CN105704044A CN105704044A CN201410698397.6A CN201410698397A CN105704044A CN 105704044 A CN105704044 A CN 105704044A CN 201410698397 A CN201410698397 A CN 201410698397A CN 105704044 A CN105704044 A CN 105704044A
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Abstract
The invention provides a method and a device for sending the notification information. The method comprises steps that an interface failure state of nodes in an MPLS network is monitored; when a designated node in the MPLS network is in a failure state, the notification information used for indicating the interface failure is sent to other nodes according to the topology relationship of the designated node in the MPLS network, and the other nodes are nodes belonging to the topology relationship except the designated node. Through the method, a problem of network resource waste because of plenty of redundant messages caused by notifying all the routing nodes in the whole network during interface failure is solved, message response is not for all the nodes of the network, and network resource waste is avoided.
Description
Technical field
The present invention relates to the communications field, in particular to sending method and the device of a kind of announcement information。
Background technology
In correlation technique, when the topological structure in tunnel changes or during certain interface fails, affected LSP must remove accordingly。IGP change in topology can notify in the entire network, and namely the routing node of LSP process is all likely to be received。As shown in Figure 1, when interface B lost efficacy, on LSP 101,102,103,104,105 all can receive IGP change notification, if these nodes all respond, seriously taking Internet resources, affect the disposal ability of routing node, in actual scene, the LSP in a large amount of tunnels is through the same interface of same node, interface fails impact can be bigger, produces the response message of a large amount of repeated and redundant in a network。
For in correlation technique, all routing nodes in whole network are all notified when interface fails and the existence bulk redundancy message that causes, the problem of waste Internet resources, not yet propose effective solution。
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides the sending method of a kind of announcement information and device。
According to an aspect of the invention, it is provided the sending method of a kind of announcement information, described method includes: the interface fails situation of monitoring multiprotocol label switching (Multi-ProtocolLabelSwitching, referred to as MPLS) network node；When specifying the interface fails of node in described MPLS network, the announcement information for indicating described interface fails is sent to other nodes according to described appointment node topological relation in described MPLS network, wherein, other nodes described are the node being under the jurisdiction of in the node of described topological relation except described appointment node。
Preferably, when described appointment node is the root node in described MPLS network, the announcement information for indicating described interface fails is sent to other nodes according to described appointment node topological relation in described MPLS network, including: delete local label switching path (LabelSwitchedPath, referred to as the LSP) information that in described appointment node, inefficacy interface is corresponding；Whether the next-hop node judging described root node according to described topological relation is tail node, if it is, delete, by described tail node, the local LSP information that in described next-hop node, described inefficacy interface is corresponding；If described next-hop node is not tail node, then after described next-hop node deletes the local LSP information that in described next-hop node, described inefficacy interface is corresponding, via described next-hop node, described announcement information is sent the downstream node to described next-hop node。
Preferably, when described appointment node is the intermediate node in described MPLS network, the announcement information for indicating described interface fails is sent to other nodes according to described appointment node topological relation in described MPLS network, including: when the incoming interface of described appointment node lost efficacy, delete the local LSP information corresponding to inefficacy incoming interface in described appointment node, and described announcement information is sent next node to described appointment node；Whether the upper hop node judging described appointment node according to described topological relation is root node, if it is, delete, by described root node, the local LSP information that in described root node, described inefficacy incoming interface is corresponding；If described upper hop node is not root node, then described announcement information is sent to root node, and after described root node deletes the local LSP information that in described root node, inefficacy incoming interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node。
Preferably, when described appointment node is the intermediate node in described MPLS network, the announcement information for indicating described interface fails is sent to other nodes according to described appointment node topological relation in described MPLS network, including: when the outgoing interface of described appointment node lost efficacy, described announcement information is sent to root node, after described root node deletes the local LSP information that in described root node, described inefficacy outgoing interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node；Whether the next-hop node judging described appointment node according to described topological relation is tail node, if it is, delete, by described tail node, the local LSP information that in described tail node, described inefficacy outgoing interface is corresponding；If next-hop node is not tail node, then after deleting the local LSP information that in described next-hop node, described inefficacy outgoing interface is corresponding, via described next-hop node, described announcement information is sent the downstream node to described next-hop node。
Preferably, when described appointment node is the tail node in described MPLS network, the announcement information for indicating described interface fails is sent to other nodes according to described appointment node topological relation in described MPLS network, including: delete the local LSP information that inefficacy interface in described appointment node is corresponding；Whether the upper hop node judging described appointment node according to described topological relation is root node, if it is, delete, by described root node, the local LSP information that in described root node, described inefficacy interface is corresponding；If upper hop node is not root node, then described announcement information is sent to root node, after described root node deletes the local LSP information that in described root node, described inefficacy interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node。
Preferably, send the announcement information for indicating described interface fails to other nodes, including: sending dismounting information to other nodes described, wherein, described announcement information is carried in described dismounting information。
Preferably, the node in described MPLS network supports Interior Gateway Protocol IGP。
According to another aspect of the present invention, additionally providing the dispensing device of a kind of announcement information, described device includes: monitoring modular, for monitoring the interface fails situation of multiprotocol label switching MPLS network interior nodes；Sending module, during for specifying the interface fails of node in described MPLS network, the announcement information for indicating described interface fails is sent to other nodes according to described appointment node topological relation in described MPLS network, wherein, other nodes described are the node being under the jurisdiction of in the node of described topological relation except described appointment node。
Preferably, described sending module, including: first deletes unit, for when described appointment node is root node, deleting the local label switching path LSP information that inefficacy interface in described appointment node is corresponding；Whether judging unit, be tail node for judging the next-hop node of root node according to described topological relation, wherein, when described next-hop node is tail node, deletes, by described tail node, the local LSP information that in described next-hop node, described inefficacy interface is corresponding；First transmitting element, for when next-hop node is not tail node, after described tail node deletes the local LSP information that in described next-hop node, described inefficacy interface is corresponding, via described next-hop node, described announcement information is sent the downstream node to described next-hop node。
Preferably, described first deletes unit, and being additionally operable at described appointment node is intermediate node, and when the incoming interface of described intermediate node lost efficacy, deletes the local LSP information that described inefficacy incoming interface in described appointment node is corresponding；Described first transmitting element, is additionally operable to described announcement information is sent next node to described appointment node；Whether described judging unit, be root node for judging the upper hop node of described appointment node according to described topological relation, wherein, when described upper hop node is root node, delete the local LSP information that described inefficacy incoming interface in described root node is corresponding；Described first transmitting element, for when upper hop node is not root node, described announcement information is sent to root node, and after described root node deletes the local LSP information that in described root node, inefficacy incoming interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node。
Preferably, described sending module includes: described first transmitting element, for being intermediate node at described appointment node, and when the outgoing interface of described intermediate node lost efficacy, described announcement information is sent to root node, after described root node deletes the local LSP information that in described root node, described inefficacy outgoing interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node；Described judging unit, whether it is tail node for judging the next-hop node of described appointment node according to described topological relation, wherein, when described next-hop node is tail node, delete, by described tail node, the local LSP information that in described tail node, described inefficacy outgoing interface is corresponding；Described first transmitting element, it is additionally operable to when next-hop node is not tail node, after deleting the local LSP information that in described next-hop node, described inefficacy outgoing interface is corresponding, via described next-hop node, described announcement information is sent the downstream node to described next-hop node。
Preferably, described first deletes unit, for deleting the local LSP information that in described appointment node, inefficacy interface is corresponding when described appointment node is tail node；Whether described judging unit, be root node for judging the upper hop node of described appointment node according to described topological relation, wherein, when described upper hop node is root node, delete the local LSP information that described inefficacy interface in described root node is corresponding；Described first transmitting element, for when upper hop node is not root node, described announcement information is sent to root node, after described root node deletes the local LSP information that in described root node, described inefficacy interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node。
Pass through the present invention, the node according to interface fails is adopted to send the announcement information technological means lost efficacy for notification interface to other nodes at topological relation in a network, solve the existence bulk redundancy message all routing nodes in whole network all notified in correlation technique and cause when interface fails, the problem of waste Internet resources, the node not needed in all networkings all carries out message response, does not waste Internet resources。
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention。In the accompanying drawings:
Fig. 1 is according to the MPLS network structural representation in correlation technique；
Fig. 2 is the flow chart of the sending method of announcement information according to embodiments of the present invention；
Fig. 3 is the process chart that root node response outgoing interface according to embodiments of the present invention lost efficacy；
Fig. 4 is the process chart that intermediate node responds incoming interface according to embodiments of the present invention lost efficacy；
Fig. 5 is the process chart that intermediate node responds outgoing interface lost efficacy according to the preferred embodiment of the invention；
Fig. 6 is the process chart that tail node response incoming interface lost efficacy according to the preferred embodiment of the invention；
Fig. 7 is the structured flowchart of the dispensing device of announcement information according to embodiments of the present invention；
Fig. 8 is another structured flowchart of the dispensing device of announcement information according to embodiments of the present invention。
Detailed description of the invention
Below with reference to accompanying drawing and describe the present invention in detail in conjunction with the embodiments。It should be noted that when not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined。
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention。The purpose of the present invention and other advantages can be realized by structure specifically noted in the description write, claims and accompanying drawing and be obtained。
In order to make those skilled in the art be more fully understood that the present invention program, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a present invention part, rather than whole embodiments。Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, all should belong to the scope of protection of the invention。
Providing the sending method of a kind of announcement information in the present embodiment, Fig. 2 is the flow chart of the sending method of announcement information according to embodiments of the present invention, as in figure 2 it is shown, this flow process comprises the steps:
Step S202, the interface fails situation of monitoring multiprotocol label switching MPLS network interior nodes；
Step S204, when specifying the interface fails of node in above-mentioned MPLS network, the announcement information for indicating above-mentioned interface fails is sent to other nodes according to above-mentioned appointment node topological relation in above-mentioned MPLS network, wherein, other nodes above-mentioned are the node being under the jurisdiction of in the node of above topology relation except above-mentioned appointment node。
By each step above-mentioned, node according to interface fails sends the announcement information lost efficacy for notification interface at topological relation in a network to other nodes, rather than think the unified transmission announcement information of all nodes in network, solve the existence bulk redundancy message all routing nodes in whole network all notified in correlation technique and cause when interface fails, the problem of waste Internet resources, and then the node not needed in all networkings all carries out message response, do not waste Internet resources, also provide the disposal ability of corresponding routing node。
Multiple implementation is had for above-mentioned steps S204, in embodiments of the present invention, according to above-mentioned inefficacy interface position in topological relation: the interface of root node, the incoming interface of intermediate node, the outgoing interface of intermediate node, tail node interface, above-mentioned steps S204 can be largely classified into following four implementation:
The first implementation
When above-mentioned appointment node is the root node in above-mentioned MPLS network, the announcement information for indicating above-mentioned interface fails is sent to other nodes according to above-mentioned appointment node topological relation in above-mentioned MPLS network, including: delete the local label switching path LSP information that inefficacy interface in above-mentioned appointment node is corresponding；Whether the next-hop node judging above-mentioned root node according to above topology relation is tail node, if it is, delete the local LSP information that above-mentioned inefficacy interface in above-mentioned next-hop node is corresponding；If next-hop node is not tail node, then deletes the local LSP information that above-mentioned inefficacy interface in above-mentioned next-hop node is corresponding, and above-mentioned announcement information is sent the downstream node to above-mentioned next-hop node。
Realize process in order to what be better understood from above-mentioned first kind of way, illustrate below in conjunction with Fig. 1, Fig. 3 and a preferred embodiment:
Fig. 3 is the process chart that root node response outgoing interface according to embodiments of the present invention lost efficacy, as it is shown on figure 3, comprise the following steps:
Step S302: the outgoing interface A of root node 101 lost efficacy；
Step S304: root node 101 deletes local LSP information；
Step S306: next-hop node 102 is not tail node；
Step S308: node 102 deletes local information, and sends tear down message to node 103。
The second implementation
When above-mentioned appointment node is the intermediate node in above-mentioned MPLS network, the announcement information for indicating above-mentioned interface fails is sent to other nodes according to above-mentioned appointment node topological relation in above-mentioned MPLS network, including: when the incoming interface of above-mentioned appointment node lost efficacy, delete the local LSP information that above-mentioned inefficacy incoming interface in above-mentioned appointment node is corresponding, and above-mentioned announcement information is sent next node to above-mentioned appointment node；Whether the upper hop node judging above-mentioned appointment node according to above topology relation is root node, if it is, delete the local LSP information that above-mentioned inefficacy incoming interface in above-mentioned root node is corresponding；If upper hop node is not root node, then being sent by above-mentioned announcement information to root node, above-mentioned root node deletes the local LSP information that in above-mentioned root node, above-mentioned inefficacy incoming interface is corresponding, and above-mentioned announcement information is sent the downstream node to above-mentioned root node。
Realize process in order to what be better understood from above-mentioned first kind of way, illustrate below in conjunction with Fig. 1, Fig. 4 and a preferred embodiment:
Fig. 4 is the process chart that intermediate node responds incoming interface according to embodiments of the present invention lost efficacy, and as shown in Figure 4, comprises the following steps:
Step S402: the incoming interface B of intermediate node 103 lost efficacy；
Step S404: node 103 sends tear down message to node 104, and deletes local LSP information；
Step S406: upper hop node 102 is not root node；
Step S408: node 102 sends to root node 101 and removes notification message, and root node receives message, deletes local information and sends tear down message to node 102。
The third implementation
When above-mentioned appointment node is the intermediate node in above-mentioned MPLS network, the announcement information for indicating above-mentioned interface fails is sent to other nodes according to above-mentioned appointment node topological relation in above-mentioned MPLS network, including: when the outgoing interface of above-mentioned appointment node lost efficacy, above-mentioned announcement information is sent to root node, above-mentioned root node deletes the local LSP information that in above-mentioned root node, above-mentioned inefficacy outgoing interface is corresponding, and above-mentioned announcement information is sent the downstream node to above-mentioned root node；Whether the next-hop node judging above-mentioned appointment node according to above topology relation is tail node, if it is, delete the local LSP information that above-mentioned inefficacy outgoing interface in above-mentioned tail node is corresponding；If next-hop node is not tail node, then deletes the local LSP information that above-mentioned inefficacy outgoing interface in above-mentioned next-hop node is corresponding, and above-mentioned announcement information is sent the downstream node to next node above-mentioned。
Realize process in order to what be better understood from above-mentioned first kind of way, illustrate below in conjunction with Fig. 1, Fig. 5 and a preferred embodiment:
Fig. 5 is the process chart that intermediate node responds outgoing interface lost efficacy according to the preferred embodiment of the invention, as it is shown in figure 5, comprise the following steps:
Step S502: the outgoing interface C of intermediate node 103 lost efficacy；
Step S504: node 103 sends to LSP root node 101 and removes notification message, and root node 101 receives message, deletes local information and 102 sends tear down message to downstream node；
Step S506: next-hop node 104 is not tail node；
Step S508: node 104 deletes local information, and 105 sends tear down message to downstream node。
4th kind of implementation
When above-mentioned appointment node is the tail node in above-mentioned MPLS network, the announcement information for indicating above-mentioned interface fails is sent to other nodes according to above-mentioned appointment node topological relation in above-mentioned MPLS network, including: delete the local LSP information that inefficacy interface in above-mentioned appointment node is corresponding；Whether the upper hop node judging above-mentioned appointment node according to above topology relation is root node, if it is, delete the local LSP information that above-mentioned inefficacy interface in above-mentioned root node is corresponding；If upper hop node is not root node, then being sent by above-mentioned announcement information to root node, above-mentioned root node deletes the local LSP information that in above-mentioned root node, above-mentioned inefficacy interface is corresponding, and above-mentioned announcement information is sent the downstream node to above-mentioned root node。
Realize process in order to what be better understood from above-mentioned first kind of way, illustrate below in conjunction with Fig. 1, Fig. 6 and a preferred embodiment:
Fig. 6 is the process chart that tail node response incoming interface lost efficacy according to the preferred embodiment of the invention, as shown in Figure 6, comprises the following steps:
Step S602: the incoming interface D of tail node 105 lost efficacy；
Step S604: tail node 105 deletes local LSP information；
Step S606: upper hop node 104 is not root node；
Step S608: node 104 sends to root node 101 and removes notification message, and root node 101 receives message, deletes local information and 102 sends tear down message to downstream node。
Alternatively, in embodiments of the present invention, for sending for indicating the technical scheme of the announcement information of above-mentioned interface fails to be accomplished by other nodes: sending dismounting information to other nodes above-mentioned, wherein, above-mentioned announcement information is carried in above-mentioned dismounting information。
The embodiment of the present invention further improvement is that above-mentioned embodiment, node support in above-mentioned MPLS network is Interior Gateway Protocol IGP, and, when certain node upstream same root node sends the dismounting NOTIFY notification message of multiple LSP, adopt packing timesharing to send, alleviate network message number。
In sum, adopt the technique scheme of the embodiment of the present invention, by the method design that MPLS-TE tunnel response interface was lost efficacy, and to arriving the packing time-division processing of notification message of same root node, make tunnel response interface crash handling more efficiently, reduce redundancy, decrease the response that most node is unnecessary。
Additionally provide the dispensing device of a kind of announcement information in the present embodiment, be used for realizing above-described embodiment and preferred implementation, had be carried out repeating no more of explanation, and below the module related in this device was illustrated。As used below, term " module " can realize the software of predetermined function and/or the combination of hardware。Although the device described by following example preferably realizes with software, but hardware, or the realization of the combination of software and hardware is also likely to and is contemplated。Fig. 7 is the structured flowchart of the dispensing device of announcement information according to embodiments of the present invention。As it is shown in fig. 7, this device includes:
Monitoring modular 70, for monitoring the interface fails situation of multiprotocol label switching MPLS network interior nodes；
Sending module 72, it is connected with monitoring modular 70, during for specifying the interface fails of node in above-mentioned MPLS network, the announcement information for indicating above-mentioned interface fails is sent to other nodes according to above-mentioned appointment node topological relation in above-mentioned MPLS network, wherein, other nodes above-mentioned are the node being under the jurisdiction of in the node of above topology relation except above-mentioned appointment node。
Comprehensive function by above-mentioned modules, node according to interface fails sends the announcement information lost efficacy for notification interface at topological relation in a network to other nodes, rather than think the unified transmission announcement information of all nodes in network, solve the existence bulk redundancy message all routing nodes in whole network all notified in correlation technique and cause when interface fails, the problem of waste Internet resources, and then the node not needed in all networkings all carries out message response, do not waste Internet resources, also provide the disposal ability of corresponding routing node。
Alternatively, as shown in Figure 8, in order to complete function and the effect of above-mentioned sending module 72, sending module 72 can include with lower module:
First deletes unit 720, for when above-mentioned appointment node is root node, deleting the local label switching path LSP information that inefficacy interface in above-mentioned appointment node is corresponding；
Judging unit 722, delete unit 720 with first to be connected, whether it is tail node for judging the next-hop node of root node according to above topology relation, wherein, when above-mentioned next-hop node is tail node, delete, by above-mentioned tail node, the local LSP information that in above-mentioned next-hop node, above-mentioned inefficacy interface is corresponding；
First transmitting element 724, it is connected with judging unit 722, for when next-hop node is not tail node, after above-mentioned tail node deletes the local LSP information that in above-mentioned next-hop node, above-mentioned inefficacy interface is corresponding, via above-mentioned next-hop node, above-mentioned announcement information is sent the downstream node to above-mentioned next-hop node。
The embodiment of the present invention further improvement is that technique scheme, first deletes unit 720, being additionally operable at above-mentioned appointment node is intermediate node, and when the incoming interface of above-mentioned intermediate node lost efficacy, deletes the local LSP information that above-mentioned inefficacy incoming interface in above-mentioned appointment node is corresponding；First transmitting element 724, is additionally operable to above-mentioned announcement information is sent next node to above-mentioned appointment node；Whether judging unit 722, be root node for judging the upper hop node of above-mentioned appointment node according to above topology relation, wherein, when above-mentioned upper hop node is root node, delete the local LSP information that above-mentioned inefficacy incoming interface in above-mentioned root node is corresponding；First transmitting element 724, for when upper hop node is not root node, above-mentioned announcement information is sent to root node, and after above-mentioned root node deletes the local LSP information that in above-mentioned root node, inefficacy incoming interface is corresponding, via above-mentioned root node, above-mentioned announcement information is sent the downstream node to above-mentioned root node。
The embodiment of the present invention further improvement is that technique scheme, first transmitting element 724, for being intermediate node at above-mentioned appointment node, and when the outgoing interface of above-mentioned intermediate node lost efficacy, above-mentioned announcement information is sent to root node, after above-mentioned root node deletes the local LSP information that in above-mentioned root node, above-mentioned inefficacy outgoing interface is corresponding, via above-mentioned root node, above-mentioned announcement information is sent the downstream node to above-mentioned root node；Judging unit 722, whether it is tail node for judging the next-hop node of above-mentioned appointment node according to above topology relation, wherein, when above-mentioned next-hop node is tail node, delete, by above-mentioned tail node, the local LSP information that in above-mentioned tail node, above-mentioned inefficacy outgoing interface is corresponding；First transmitting element 724, it is additionally operable to when next-hop node is not tail node, after deleting the local LSP information that in above-mentioned next-hop node, above-mentioned inefficacy outgoing interface is corresponding, via above-mentioned next-hop node, above-mentioned announcement information is sent the downstream node to above-mentioned next-hop node。
The embodiment of the present invention further improvement is that technique scheme, first deletes unit 720, for deleting the local LSP information that in above-mentioned appointment node, inefficacy interface is corresponding when above-mentioned appointment node is tail node；Whether judging unit 722, be root node for judging the upper hop node of above-mentioned appointment node according to above topology relation, wherein, when above-mentioned upper hop node is root node, delete the local LSP information that above-mentioned inefficacy interface in above-mentioned root node is corresponding；First transmitting element 724, for when upper hop node is not root node, above-mentioned announcement information is sent to root node, after above-mentioned root node deletes the local LSP information that in above-mentioned root node, above-mentioned inefficacy interface is corresponding, via above-mentioned root node, above-mentioned announcement information is sent the downstream node to above-mentioned root node。
In sum, the embodiment of the present invention has reached techniques below effect: solve the existence bulk redundancy message all routing nodes in whole network all notified in correlation technique and cause when interface fails, the problem of waste Internet resources, and then the node not needed in all networkings all carries out message response, do not waste Internet resources, also provide the disposal ability of corresponding routing node。
In another embodiment, additionally providing a kind of software, this software is for performing the technical scheme described in above-described embodiment and preferred implementation。
In another embodiment, additionally providing a kind of storage medium, in this storage medium, storage has above-mentioned software, and this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.。
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, " second " etc. are for distinguishing similar object, without being used for describing specific order or precedence。Should be appreciated that the object of so use can exchange in the appropriate case, in order to embodiments of the invention described herein can with except here diagram or describe those except order implement。In addition, term " includes " and " having " and their any deformation, it is intended to cover non-exclusive comprising, such as, contain series of steps or the process of unit, method, system, product or equipment be not necessarily limited to those steps or the unit clearly listed, but can include clearly not listing or for intrinsic other step of these processes, method, product or equipment or unit。
Obviously, those skilled in the art should be understood that, each module of the above-mentioned present invention or each step can realize with general calculation element, they can concentrate on single calculation element, or it is distributed on the network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, can be stored in storage device is performed by calculation element, and in some cases, shown or described step can be performed with the order being different from herein, or they are fabricated to respectively each integrated circuit modules, or the multiple modules in them or step are fabricated to single integrated circuit module realize。So, the present invention is not restricted to the combination of any specific hardware and software。
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations。All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention。
Claims (12)
1. the sending method of an announcement information, it is characterised in that described method includes:
The interface fails situation of monitoring multiprotocol label switching MPLS network interior nodes；
When specifying the interface fails of node in described MPLS network, the announcement information for indicating described interface fails is sent to other nodes according to described appointment node topological relation in described MPLS network, wherein, other nodes described are the node being under the jurisdiction of in the node of described topological relation except described appointment node。
2. method according to claim 1, it is characterized in that, when described appointment node is the root node in described MPLS network, send the announcement information for indicating described interface fails according to described appointment node topological relation in described MPLS network to other nodes, including:
Delete the local label switching path LSP information that inefficacy interface in described appointment node is corresponding；
Whether the next-hop node judging described root node according to described topological relation is tail node, if it is, delete, by described tail node, the local LSP information that in described next-hop node, described inefficacy interface is corresponding；
If described next-hop node is not tail node, then after described next-hop node deletes the local LSP information that in described next-hop node, described inefficacy interface is corresponding, via described next-hop node, described announcement information is sent the downstream node to described next-hop node。
3. method according to claim 1, it is characterized in that, when described appointment node is the intermediate node in described MPLS network, send the announcement information for indicating described interface fails according to described appointment node topological relation in described MPLS network to other nodes, including:
When the incoming interface of described appointment node lost efficacy, delete the local LSP information corresponding to inefficacy incoming interface in described appointment node, and described announcement information is sent next node to described appointment node；
Whether the upper hop node judging described appointment node according to described topological relation is root node, if it is, delete, by described root node, the local LSP information that in described root node, described inefficacy incoming interface is corresponding；
If described upper hop node is not root node, then described announcement information is sent to root node, and after described root node deletes the local LSP information that in described root node, inefficacy incoming interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node。
4. method according to claim 1, it is characterized in that, when described appointment node is the intermediate node in described MPLS network, send the announcement information for indicating described interface fails according to described appointment node topological relation in described MPLS network to other nodes, including:
When the outgoing interface of described appointment node lost efficacy, described announcement information is sent to root node, after described root node deletes the local LSP information that in described root node, described inefficacy outgoing interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node；
Whether the next-hop node judging described appointment node according to described topological relation is tail node, if it is, delete, by described tail node, the local LSP information that in described tail node, described inefficacy outgoing interface is corresponding；
If next-hop node is not tail node, then after deleting the local LSP information that in described next-hop node, described inefficacy outgoing interface is corresponding, via described next-hop node, described announcement information is sent the downstream node to described next-hop node。
5. method according to claim 1, it is characterized in that, when described appointment node is the tail node in described MPLS network, send the announcement information for indicating described interface fails according to described appointment node topological relation in described MPLS network to other nodes, including:
Delete the local LSP information that inefficacy interface in described appointment node is corresponding；
Whether the upper hop node judging described appointment node according to described topological relation is root node, if it is, delete, by described root node, the local LSP information that in described root node, described inefficacy interface is corresponding；
If upper hop node is not root node, then described announcement information is sent to root node, after described root node deletes the local LSP information that in described root node, described inefficacy interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node。
6. method according to claim 1, it is characterised in that send the announcement information for indicating described interface fails to other nodes, including: sending dismounting information to other nodes described, wherein, described announcement information is carried in described dismounting information。
7. the method according to any one of claim 1-6, it is characterised in that the node in described MPLS network supports Interior Gateway Protocol IGP。
8. the dispensing device of an announcement information, it is characterised in that described device includes:
Monitoring modular, for monitoring the interface fails situation of multiprotocol label switching MPLS network interior nodes；
Sending module, during for specifying the interface fails of node in described MPLS network, the announcement information for indicating described interface fails is sent to other nodes according to described appointment node topological relation in described MPLS network, wherein, other nodes described are the node being under the jurisdiction of in the node of described topological relation except described appointment node。
9. device according to claim 8, it is characterised in that described sending module, including:
First deletes unit, for when described appointment node is root node, deleting the local label switching path LSP information that inefficacy interface in described appointment node is corresponding；
Whether judging unit, be tail node for judging the next-hop node of root node according to described topological relation, wherein, when described next-hop node is tail node, deletes, by described tail node, the local LSP information that in described next-hop node, described inefficacy interface is corresponding；
First transmitting element, for when next-hop node is not tail node, after described tail node deletes the local LSP information that in described next-hop node, described inefficacy interface is corresponding, via described next-hop node, described announcement information is sent the downstream node to described next-hop node。
10. device according to claim 9, it is characterised in that
Described first deletes unit, and being additionally operable at described appointment node is intermediate node, and when the incoming interface of described intermediate node lost efficacy, deletes the local LSP information that described inefficacy incoming interface in described appointment node is corresponding；
Described first transmitting element, is additionally operable to described announcement information is sent next node to described appointment node；
Whether described judging unit, be root node for judging the upper hop node of described appointment node according to described topological relation, wherein, when described upper hop node is root node, delete the local LSP information that described inefficacy incoming interface in described root node is corresponding；
Described first transmitting element, for when upper hop node is not root node, described announcement information is sent to root node, and after described root node deletes the local LSP information that in described root node, inefficacy incoming interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node。
11. device according to claim 9, it is characterised in that described sending module includes:
Described first transmitting element, for being intermediate node at described appointment node, and when the outgoing interface of described intermediate node lost efficacy, described announcement information is sent to root node, after described root node deletes the local LSP information that in described root node, described inefficacy outgoing interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node；
Described judging unit, whether it is tail node for judging the next-hop node of described appointment node according to described topological relation, wherein, when described next-hop node is tail node, delete, by described tail node, the local LSP information that in described tail node, described inefficacy outgoing interface is corresponding；
Described first transmitting element, it is additionally operable to when next-hop node is not tail node, after deleting the local LSP information that in described next-hop node, described inefficacy outgoing interface is corresponding, via described next-hop node, described announcement information is sent the downstream node to described next-hop node。
12. device according to claim 11, it is characterised in that
Described first deletes unit, for deleting the local LSP information that in described appointment node, inefficacy interface is corresponding when described appointment node is tail node；
Whether described judging unit, be root node for judging the upper hop node of described appointment node according to described topological relation, wherein, when described upper hop node is root node, delete the local LSP information that described inefficacy interface in described root node is corresponding；
Described first transmitting element, for when upper hop node is not root node, described announcement information is sent to root node, after described root node deletes the local LSP information that in described root node, described inefficacy interface is corresponding, via described root node, described announcement information is sent the downstream node to described root node。
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| CN201410698397.6A CN105704044B (en) | 2014-11-26 | 2014-11-26 | The sending method and device of notification information |
| PCT/CN2015/085352 WO2016082572A1 (en) | 2014-11-26 | 2015-07-28 | Method and apparatus for sending notification information |
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