CN105704044B - The sending method and device of notification information - Google Patents
The sending method and device of notification information Download PDFInfo
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- CN105704044B CN105704044B CN201410698397.6A CN201410698397A CN105704044B CN 105704044 B CN105704044 B CN 105704044B CN 201410698397 A CN201410698397 A CN 201410698397A CN 105704044 B CN105704044 B CN 105704044B
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Abstract
The present invention provides a kind of sending method of notification information and devices, wherein the described method includes: the interface fails situation of monitoring multiprotocol label switching MPLS network interior nodes；When specifying the interface fails of node in the MPLS network, the notification information for being used to indicate the interface fails is sent to other nodes according to topological relation of the specified node in the MPLS network, wherein, other described nodes are the node in the node for be under the jurisdiction of the topological relation in addition to the specified node.Using above-mentioned technical proposal of the invention, solve caused by notifying all routing nodes in whole network when interface fails in the related technology that there are bulk redundancy messages, the problem of wasting Internet resources, it realizes and does not need all to carry out the node in all networks message response, and then realize and do not waste Internet resources.
Description
Technical field
The present invention relates to the communications fields, in particular to the sending method and device of a kind of notification information.
Background technique
In the related technology, when the topological structure in tunnel changes or some interface fails, affected LSP must
It must accordingly remove.IGP change in topology can notify that the routing node that i.e. LSP passes through all is likely to be received in the entire network.Such as figure
Shown in 1, when interface B fails, 101,102,103,104,105 on LSP can all receive IGP change notification, if these nodes
It all responds, the processing capacity for seriously occupying Internet resources, influencing routing node, in actual scene, the LSP in a large amount of tunnels passes through
When the same interface of same node, interface fails influence can be bigger, generates the response message of a large amount of repeated and redundants in a network.
For in the related technology, all routing nodes in whole network are notified and be led when interface fails
Cause there are bulk redundancy message, the problem of wasting Internet resources, not yet put forward effective solutions.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of sending method of notification information and devices.
According to an aspect of the invention, there is provided a kind of sending method of notification information, which comprises monitoring is more
The interface fails feelings of protocol label exchange (Multi-Protocol Label Switching, referred to as MPLS) network node
Condition；When specifying the interface fails of node in the MPLS network, according to specified node the opening up in the MPLS network
It flutters relationship and sends the notification information for being used to indicate the interface fails to other nodes, wherein other described nodes are to be under the jurisdiction of
Node in the node of the topological relation in addition to the specified node.
Preferably, when the specified node is the root node in the MPLS network, according to the specified node in institute
The topological relation stated in MPLS network sends the notification information for being used to indicate the interface fails to other nodes, comprising: deletes
Corresponding local label switching path (Label Switched Path, the referred to as LSP) letter of failure interface in the specified node
Breath；Whether the next-hop node that the root node is judged according to the topological relation is tail node, if it is, passing through the tail
The corresponding local LSP information of the failure interface in next-hop node described in knot removal；If the next-hop node is not
Tail node, then after the next-hop node deletes the corresponding local LSP information of the failure interface in the next-hop node,
The notification information is sent to the downstream node of the next-hop node via the next-hop node.
Preferably, when the specified node is the intermediate node in the MPLS network, existed according to the specified node
Topological relation in the MPLS network sends the notification information for being used to indicate the interface fails to other nodes, comprising:
When the incoming interface failure of the specified node, local LSP information corresponding to failure incoming interface in the specified node is deleted, and
The notification information is sent to next node of the specified node；The specified node is judged according to the topological relation
Upper hop node whether be root node, if it is, deleting described in the root node fail into connecing by the root node
The corresponding local LSP information of mouth；If the upper hop node is not root node, the notification information is sent to root section
Point, and delete in the root node in the root node after the corresponding local LSP information of failure incoming interface, via the root node
The notification information is sent to the downstream node of the root node.
Preferably, when the specified node is the intermediate node in the MPLS network, existed according to the specified node
Topological relation in the MPLS network sends the notification information for being used to indicate the interface fails to other nodes, comprising:
When the outgoing interface failure of the specified node, the notification information is sent to root node, deletes described in the root node
In node after the corresponding local LSP information of the failure outgoing interface, the notification information is sent to institute via the root node
State the downstream node of root node；Whether the next-hop node that the specified node is judged according to the topological relation is tail node,
If it is, passing through the corresponding local LSP information of failure outgoing interface described in tail node described in the periproct point deletion；Under if
One hop node is not tail node, then after deleting the corresponding local LSP information of the failure outgoing interface in the next-hop node,
The notification information is sent to the downstream node of the next-hop node via the next-hop node.
Preferably, when the specified node is the tail node in the MPLS network, according to the specified node in institute
The topological relation stated in MPLS network sends the notification information for being used to indicate the interface fails to other nodes, comprising: deletes
The corresponding local LSP information of failure interface in the specified node；The upper of the specified node is judged according to the topological relation
Whether one hop node is root node, if it is, it is corresponding to delete the failure interface in the root node by the root node
Local LSP information；If upper hop node is not root node, the notification information is sent to root node, at described
In root node described in knot removal after the corresponding local LSP information of the failure interface, via the root node by the notice
Information is sent to the downstream node of the root node.
Preferably, the notification information for being used to indicate the interface fails is sent to other nodes, comprising: to other described sections
Point, which is sent, removes information, wherein the notification information is carried in the dismounting information.
Preferably, the node in the MPLS network supports Interior Gateway Protocol IGP.
According to another aspect of the present invention, a kind of sending device of notification information is additionally provided, described device includes: prison
Module is surveyed, for monitoring the interface fails situation of multiprotocol label switching MPLS network interior nodes；Sending module, for described
In MPLS network specify node interface fails when, according to topological relation of the specified node in the MPLS network to its
He sends the notification information for being used to indicate the interface fails by node, wherein other described nodes are to be under the jurisdiction of the topology to close
Node in the node of system in addition to the specified node.
Preferably, the sending module, comprising: first deletes unit, for deleting when the specified node is root node
Except the corresponding local label switching path LSP information of interface that fails in the specified node；Judging unit, for being opened up according to
The relationship of flutterring judges whether the next-hop node of root node is tail node, wherein when the next-hop node is tail node, passes through
The corresponding local LSP information of the failure interface in next-hop node described in the periproct point deletion；First transmission unit, is used for
When next-hop node is not tail node, described corresponding, failure interface in the next-hop node described in the periproct point deletion
After ground LSP information, the notification information is sent to the downstream node of the next-hop node via the next-hop node.
Preferably, described first unit is deleted, is also used in the specified node be intermediate node, and the intermediate node
Incoming interface failure when, delete the corresponding local LSP information of the failure incoming interface in the specified node；Described first sends
Unit is also used to for the notification information being sent to next node of the specified node；The judging unit is used for basis
The topological relation judges whether the upper hop node of the specified node is root node, wherein is in the upper hop node
When root node, the corresponding local LSP information of the failure incoming interface in the root node is deleted；First transmission unit is used
In when upper hop node is not root node, the notification information is sent to root node, and described in deleting in the root node
In root node after the corresponding local LSP information of failure incoming interface, the notification information is sent to via the root node described in
The downstream node of root node.
Preferably, the sending module includes: first transmission unit, for being middle node in the specified node
Point, and in the failure of the outgoing interface of the intermediate node, the notification information is sent to root node, is deleted in the root node
In the root node after the corresponding local LSP information of the failure outgoing interface, the notification information is sent out via the root node
It send to the downstream node of the root node；The judging unit, for judging the specified node according to the topological relation
Whether next-hop node is tail node, wherein when the next-hop node is tail node, by described in the periproct point deletion
The corresponding local LSP information of the failure outgoing interface in tail node；First transmission unit, be also used to next-hop node not
When being tail node, after deleting the corresponding local LSP information of the failure outgoing interface in the next-hop node, under described
The notification information is sent to the downstream node of the next-hop node by one hop node.
Preferably, described first unit is deleted, for deleting the specified node when the specified node is tail node
The corresponding local LSP information of interior failure interface；The judging unit, for judging the specified node according to the topological relation
Upper hop node whether be root node, wherein when the upper hop node is root node, delete in the root node described
Fail the corresponding local LSP information of interface；First transmission unit, for when upper hop node is not root node, by institute
It states notification information and is sent to root node, delete the corresponding local LSP of the failure interface in the root node in the root node
After information, the notification information is sent to the downstream node of the root node via the root node.
Through the invention, it is sent and is used to other nodes in topological relation in a network using the node according to interface fails
In the notification information technological means of notification interface failure, solving in the related technology will be in whole network when interface fails
All routing nodes notified caused by there are bulk redundancy message, the problem of wasting Internet resources, do not need to own
Node in network all carries out message response, does not waste Internet resources.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is according to MPLS network structural schematic diagram in the related technology；
Fig. 2 is the flow chart of the sending method of notification information according to an embodiment of the present invention；
Fig. 3 is the process flow diagram that outgoing interface failure is responded according to the root node of the embodiment of the present invention；
Fig. 4 is the process flow diagram to be failed according to the intermediate node responds incoming interface of the embodiment of the present invention；
Fig. 5 is the process flow diagram to be failed according to the intermediate node responds outgoing interface of the preferred embodiment of the present invention；
Fig. 6 is the process flow diagram that incoming interface failure is responded according to the tail node of the preferred embodiment of the present invention；
Fig. 7 is the structural block diagram according to the sending device of the notification information of the embodiment of the present invention；
Fig. 8 is another structural block diagram according to the sending device of the notification information of the embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to the accompanying drawings and in combination with Examples.It should be noted that not conflicting
In the case of, the features in the embodiments and the embodiments of the present application can be combined with each other.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
A kind of sending method of notification information is provided in the present embodiment, and Fig. 2 is notice according to an embodiment of the present invention
The flow chart of the sending method of information, as shown in Fig. 2, the process includes the following steps:
Step S202 monitors the interface fails situation of multiprotocol label switching MPLS network interior nodes；
Step S204, when specifying the interface fails of node in above-mentioned MPLS network, according to above-mentioned specified node above-mentioned
Topological relation in MPLS network sends the notification information for being used to indicate above-mentioned interface fails to other nodes, wherein it is above-mentioned its
His node is the node in the node for be under the jurisdiction of above topology relationship in addition to above-mentioned specified node.
By above-mentioned each step, sent in topological relation in a network to other nodes according to the node of interface fails
For the notification information of notification interface failure, all nodes without being intended in network uniformly send notification information, solve phase
Exist caused by being notified all routing nodes in whole network in the technology of pass when interface fails a large amount of superfluous
The problem of remaining message, waste Internet resources, and then do not need the node in all networks and all carry out message response, do not waste network
Resource also provides the processing capacity of corresponding routing node.
Above-mentioned steps S204 is being opened up according to above-mentioned failure interface in embodiments of the present invention there are many implementation
Flutter the position in relationship: the interface of root node, the incoming interface of intermediate node, the outgoing interface of intermediate node, tail node interface, on
Stating step S204 can be mainly divided into following four implementation:
The first implementation
When above-mentioned specified node is the root node in above-mentioned MPLS network, according to above-mentioned specified node in above-mentioned MPLS net
Topological relation in network sends the notification information for being used to indicate above-mentioned interface fails to other nodes, comprising: deletes above-mentioned specified
The corresponding local label switching path LSP information of failure interface in node；Above-mentioned root node is judged according to above topology relationship
Whether next-hop node is tail node, if it is, deleting the corresponding local LSP of above-mentioned failure interface in above-mentioned next-hop node
Information；If next-hop node is not tail node, the corresponding local LSP of above-mentioned failure interface in above-mentioned next-hop node is deleted
Information, and above-mentioned notification information is sent to the downstream node of above-mentioned next-hop node.
It is preferred real below in conjunction with Fig. 1, Fig. 3 and one in order to better understand the realization process of above-mentioned first way
Example is applied to be illustrated:
Fig. 3 is the process flow diagram that outgoing interface failure is responded according to the root node of the embodiment of the present invention, as shown in figure 3, packet
Include following steps:
Step S302: the outgoing interface A failure of root node 101；
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.
Second of implementation
When above-mentioned specified node is the intermediate node in above-mentioned MPLS network, according to above-mentioned specified node in above-mentioned MPLS
Topological relation in network sends the notification information for being used to indicate above-mentioned interface fails to other nodes, comprising: above-mentioned specified
When the incoming interface failure of node, the corresponding local LSP information of above-mentioned failure incoming interface in above-mentioned specified node is deleted, and will be above-mentioned
Notification information is sent to next node of above-mentioned specified node；Upper the one of above-mentioned specified node is judged according to above topology relationship
Whether hop node is root node, if it is, deleting the corresponding local LSP information of above-mentioned failure incoming interface in above-mentioned root node；
If upper hop node is not root node, above-mentioned notification information is sent to root node, above-mentioned root node deletes above-mentioned section
The corresponding local LSP information of interior above-mentioned failure incoming interface is put, and above-mentioned notification information is sent to the downstream joint of above-mentioned root node
Point.
It is preferred real below in conjunction with Fig. 1, Fig. 4 and one in order to better understand the realization process of above-mentioned first way
Example is applied to be illustrated:
Fig. 4 is the process flow diagram to be failed according to the intermediate node responds incoming interface of the embodiment of the present invention, as shown in figure 4,
The following steps are included:
Step S402: the incoming interface B failure of intermediate node 103；
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 is sent to root node 101 removes notification message, and root node receives message, deletes local letter
It ceases and sends tear down message to node 102.
The third implementation
When above-mentioned specified node is the intermediate node in above-mentioned MPLS network, according to above-mentioned specified node in above-mentioned MPLS
Topological relation in network sends the notification information for being used to indicate above-mentioned interface fails to other nodes, comprising: above-mentioned specified
When the outgoing interface failure of node, above-mentioned notification information is sent to root node, above-mentioned root node is deleted above-mentioned in above-mentioned root node
Fail the corresponding local LSP information of outgoing interface, and above-mentioned notification information is sent to the downstream node of above-mentioned root node；According to upper
It states topological relation and judges whether the next-hop node of above-mentioned specified node is tail node, if it is, deleting in above-mentioned tail node
The corresponding local LSP information of above-mentioned failure outgoing interface；If next-hop node is not tail node, above-mentioned next-hop node is deleted
The corresponding local LSP information of interior above-mentioned failure outgoing interface, and above-mentioned notification information is sent to the downstream of above-mentioned next node
Node.
It is preferred real below in conjunction with Fig. 1, Fig. 5 and one in order to better understand the realization process of above-mentioned first way
Example is applied to be illustrated:
Fig. 5 is the process flow diagram to be failed according to the intermediate node responds outgoing interface of the preferred embodiment of the present invention, such as Fig. 5 institute
Show, comprising the following steps:
Step S502: the outgoing interface C failure of intermediate node 103；
Step S504: node 103 sends to LSP root node 101 and removes notification message, and root node 101 receives message, deletes
Local information and to downstream node 102 transmission tear down message；
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 specified node is the tail node in above-mentioned MPLS network, according to above-mentioned specified node in above-mentioned MPLS net
Topological relation in network sends the notification information for being used to indicate above-mentioned interface fails to other nodes, comprising: deletes above-mentioned specified
The corresponding local LSP information of failure interface in node；The upper hop node of above-mentioned specified node is judged according to above topology relationship
It whether is root node, if it is, deleting the corresponding local LSP information of above-mentioned failure interface in above-mentioned root node；If upper one
Hop node is not root node, then above-mentioned notification information is sent to root node, and above-mentioned root node is deleted above-mentioned in above-mentioned root node
Fail the corresponding local LSP information of interface, and above-mentioned notification information is sent to the downstream node of above-mentioned root node.
It is preferred real below in conjunction with Fig. 1, Fig. 6 and one in order to better understand the realization process of above-mentioned first way
Example is applied to be illustrated:
Fig. 6 is the process flow diagram that incoming interface failure is responded according to the tail node of the preferred embodiment of the present invention, such as Fig. 6 institute
Show, comprising the following steps:
Step S602: the incoming interface D failure of tail node 105；
Step S604: tail node 105 deletes local LSP information；
Step S606: upper hop node 104 is not root node；
Step S608: node 104 is sent to root node 101 removes notification message, and root node 101 receives message, deletes this
Ground information and to downstream node 102 transmission tear down message.
Optionally, in embodiments of the present invention, the notice of above-mentioned interface fails is used to indicate for sending to other nodes
The technical solution of information can be accomplished by the following way: sending to other above-mentioned nodes and remove information, wherein above-mentioned notice letter
Breath is carried in above-mentioned dismounting information.
The embodiment of the present invention to above embodiment further improvement lies in that, what node in above-mentioned MPLS network was supported
It is Interior Gateway Protocol IGP, also, some node dismounting NOTIFY that upstream same root node sends multiple LSP is notified
When message, is sent using timesharing is packaged, mitigate network message number.
In conclusion using the above-mentioned technical proposal of the embodiment of the present invention, by failing to the tunnel MPLS-TE response interface
Method design, and the packing time-division processing to the notification message for reaching same root node makes at tunnel response interface failure
Reason is more efficient, reduces redundancy, reduces the unnecessary response of most nodes.
A kind of sending device of notification information is additionally provided in the present embodiment, it is for realizing above-described embodiment and preferably real
Mode is applied, the descriptions that have already been made will not be repeated, is illustrated below to the module being related in the device.Make as following
, the combination of the software and/or hardware of predetermined function may be implemented in term " module ".Although the described dress of following embodiment
It sets and is preferably realized with software, but the realization of the combination of hardware or software and hardware is also that may and be contemplated.Figure
7 is according to the structural block diagrams of the sending device of the notification information of the embodiment of the present invention.As shown in fig. 7, the device includes:
Monitoring modular 70, for monitoring the interface fails situation of multiprotocol label switching MPLS network interior nodes；
Sending module 72 is connect with monitoring modular 70, when for specifying the interface fails of node in above-mentioned MPLS network,
Above-mentioned interface fails are used to indicate to the transmission of other nodes according to topological relation of the above-mentioned specified node in above-mentioned MPLS network
Notification information, wherein other above-mentioned nodes be in the node for be under the jurisdiction of above topology relationship in addition to above-mentioned specified node
Node.
By the comprehensive function of above-mentioned modules, according to the node of interface fails topological relation in a network to its
His node sends the notification information for notification interface failure, and all nodes without being intended in network are unified to send notice letter
Breath, solves caused by notifying all routing nodes in whole network when interface fails in the related technology
There are bulk redundancy message, the problem of wasting Internet resources, and then do not need the node in all networks and all carry out message response,
Internet resources are not wasted, the processing capacity of corresponding routing node is also provided.
Optionally, as shown in figure 8, in order to complete the function and effect of above-mentioned sending module 72, sending module 72 be can wrap
It includes with lower module:
First deletes unit 720, connects for when above-mentioned specified node is root node, deleting failure in above-mentioned specified node
The corresponding local label switching path LSP information of mouth；
Judging unit 722 is connect, for being judged under root node according to above topology relationship with the first deletion unit 720
Whether one hop node is tail node, wherein above-mentioned next-hop node be tail node when, by above-mentioned periproct point deletion it is above-mentioned under
The corresponding local LSP information of above-mentioned failure interface in one hop node；
First transmission unit 724, connect with judging unit 722, for when next-hop node is not tail node, above-mentioned
In the above-mentioned next-hop node of periproct point deletion after the corresponding local LSP information of above-mentioned failure interface, via above-mentioned next-hop node
Above-mentioned notification information is sent to the downstream node of above-mentioned next-hop node.
Further improvement to above-mentioned technical proposal of the embodiment of the present invention is that first deletes unit 720, is also used to upper
Stating specified node is intermediate node, and when the incoming interface failure of above-mentioned intermediate node, deletes above-mentioned failure in above-mentioned specified node
The corresponding local LSP information of incoming interface；First transmission unit 724 is also used to for above-mentioned notification information to be sent to above-mentioned specified section
Next node of point；Judging unit 722, for judging that the upper hop node of above-mentioned specified node is according to above topology relationship
No is root node, wherein when above-mentioned upper hop node is root node, it is corresponding to delete above-mentioned failure incoming interface in above-mentioned root node
Local LSP information；First transmission unit 724, for when upper hop node is not root node, above-mentioned notification information to be sent
It deletes to root node, and in above-mentioned root node in above-mentioned root node after the corresponding local LSP information of failure incoming interface, via above-mentioned
Above-mentioned notification information is sent to the downstream node of above-mentioned root node by root node.
Further improvement to above-mentioned technical proposal of the embodiment of the present invention is that the first transmission unit 724 is used for above-mentioned
Specified node is intermediate node, and in the failure of the outgoing interface of above-mentioned intermediate node, above-mentioned notification information is sent to root node,
After above-mentioned root node deletes the corresponding local LSP information of above-mentioned failure outgoing interface in above-mentioned root node, via above-mentioned root node
Above-mentioned notification information is sent to the downstream node of above-mentioned root node；Judging unit 722, for being judged according to above topology relationship
Whether the next-hop node of above-mentioned specified node is tail node, wherein when above-mentioned next-hop node is tail node, by above-mentioned
The corresponding local LSP information of above-mentioned failure outgoing interface in the above-mentioned tail node of periproct point deletion；First transmission unit 724, is also used to
When next-hop node is not tail node, believe deleting the corresponding local LSP of above-mentioned failure outgoing interface in above-mentioned next-hop node
After breath, above-mentioned notification information is sent to the downstream node of above-mentioned next-hop node via above-mentioned next-hop node.
Further improvement to above-mentioned technical proposal of the embodiment of the present invention is that first deletes unit 720, for above-mentioned
Specified node deletes the corresponding local LSP information of failure interface in above-mentioned specified node when being tail node；Judging unit 722 is used
In the upper hop node that above-mentioned specified node is judged according to above topology relationship whether be root node, wherein in above-mentioned upper hop
When node is root node, the corresponding local LSP information of above-mentioned failure interface in above-mentioned root node is deleted；First transmission unit 724,
For when upper hop node is not root node, above-mentioned notification information to be sent to root node, deleted in above-mentioned root node above-mentioned
In root node after the corresponding local LSP information of above-mentioned failure interface, above-mentioned notification information is sent to via above-mentioned root node
State the downstream node of root node.
In conclusion the embodiment of the present invention has reached following technical effect: solving in the related technology when interface fails
There are bulk redundancy message caused by notifying all routing nodes in whole network, Internet resources are wasted
Problem, and then do not need the node in all networks and all carry out message response, Internet resources are not wasted, corresponding routing is also provided
The processing capacity of node.
In another embodiment, a kind of software is additionally provided, the software is for executing above-described embodiment and preferred reality
Apply technical solution described in mode.
In another embodiment, a kind of storage medium is additionally provided, above-mentioned software is stored in the storage medium, it should
Storage medium includes but is not limited to: CD, floppy disk, hard disk, scratch pad memory etc..
It should be noted that description and claims of this specification and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Object be interchangeable under appropriate circumstances, so as to the embodiment of the present invention described herein can in addition to illustrating herein or
Sequence other than those of description is implemented.In addition, term " includes " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to
Step or unit those of is clearly listed, but may include be not clearly listed or for these process, methods, product
Or other step or units that equipment is intrinsic.
Obviously, those skilled in the art should be understood that each module of the above invention or each step can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, they can be realized with the program code that computing device can perform, it is thus possible to which they are stored
It is performed by computing device in the storage device, and in some cases, it can be to be different from shown in sequence execution herein
Out or description the step of, perhaps they are fabricated to each integrated circuit modules or by them multiple modules or
Step is fabricated to single integrated circuit module to realize.In this way, the present invention is not limited to any specific hardware and softwares to combine.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of sending method of notification information, which is characterized in that the described method includes:
Monitor the interface fails situation of multiprotocol label switching MPLS network interior nodes；
When specifying the interface fails of node in the MPLS network, according to specified node the opening up in the MPLS network
It flutters relationship and sends the notification information for being used to indicate the interface fails to other nodes, wherein other described nodes are to be under the jurisdiction of
Node in the node of the topological relation in addition to the specified node；
Wherein, when the specified node is the root node in the MPLS network, according to the specified node in the MPLS
Topological relation in network sends the notification information for being used to indicate the interface fails to other nodes, comprising:
Delete the corresponding local label switching path LSP information of failure interface in the specified node；
Whether the next-hop node that the root node is judged according to the topological relation is tail node, if it is, by described
The corresponding local LSP information of the failure interface in next-hop node described in periproct point deletion；
If the next-hop node is not tail node, the mistake in the next-hop node is deleted in the next-hop node
After imitating the corresponding local LSP information of interface, the notification information is sent to the next-hop section via the next-hop node
The downstream node of point.
2. the method according to claim 1, wherein when the specified node is the centre in the MPLS network
When node, described connect is used to indicate to the transmission of other nodes according to topological relation of the specified node in the MPLS network
The notification information of mouth failure, comprising:
In the incoming interface failure of the specified node, local LSP corresponding to failure incoming interface in the specified node is deleted
Information, and the notification information is sent to next node of the specified node；
Whether the upper hop node that the specified node is judged according to the topological relation is root node, if it is, passing through institute
It states root node and deletes the corresponding local LSP information of the failure incoming interface in the root node；
If the upper hop node is not root node, the notification information is sent to root node, and in the root node
It deletes after failing the corresponding local LSP information of incoming interface in the root node, sends out the notification information via the root node
It send to the downstream node of the root node.
3. the method according to claim 1, wherein when the specified node is the centre in the MPLS network
When node, described connect is used to indicate to the transmission of other nodes according to topological relation of the specified node in the MPLS network
The notification information of mouth failure, comprising:
In the outgoing interface failure of the specified node, the notification information is sent to root node, is deleted in the root node
In the root node after the corresponding local LSP information of the failure outgoing interface, the notification information is sent out via the root node
It send to the downstream node of the root node；
Whether the next-hop node that the specified node is judged according to the topological relation is tail node, if it is, passing through institute
State the corresponding local LSP information of the failure outgoing interface in tail node described in periproct point deletion；
If next-hop node is not tail node, the corresponding local of the failure outgoing interface in the next-hop node is being deleted
After LSP information, the notification information is sent to the downstream node of the next-hop node via the next-hop node.
4. the method according to claim 1, wherein when the specified node is the periproct in the MPLS network
When point, the interface is used to indicate to the transmission of other nodes according to topological relation of the specified node in the MPLS network
The notification information of failure, comprising:
Delete the corresponding local LSP information of failure interface in the specified node；
Whether the upper hop node that the specified node is judged according to the topological relation is root node, if it is, passing through institute
It states root node and deletes the corresponding local LSP information of the failure interface in the root node；
If upper hop node is not root node, the notification information is sent to root node, deletes institute in the root node
After stating the corresponding local LSP information of the failure interface in root node, the notification information is sent to via the root node
The downstream node of the root node.
5. the method according to claim 1, wherein being used to indicate the interface fails to the transmission of other nodes
Notification information, comprising: sent to other described nodes and remove information, wherein the notification information is carried on the dismounting information
In.
6. method according to claim 1-5, which is characterized in that the node in the MPLS network is supported internal
Gateway protocol IGP.
7. a kind of sending device of notification information, which is characterized in that described device includes:
Monitoring modular, for monitoring the interface fails situation of multiprotocol label switching MPLS network interior nodes；
Sending module, when for specifying the interface fails of node in the MPLS network, according to the specified node described
Topological relation in MPLS network sends the notification information for being used to indicate the interface fails to other nodes, wherein it is described its
His node is the node in the node for be under the jurisdiction of the topological relation in addition to the specified node；
Wherein, the sending module includes:
First deletes unit, corresponding for when the specified node is root node, deleting failure interface in the specified node
Local label switching path LSP information；
Judging unit, for judging whether the next-hop node of root node is tail node according to the topological relation, wherein in institute
State next-hop node be tail node when, by described corresponding, failure interface in next-hop node described in the periproct point deletion
Ground LSP information；
First transmission unit, for when next-hop node is not tail node, the next-hop node described in the periproct point deletion
After the corresponding local LSP information of the interior failure interface, the notification information is sent to via the next-hop node described
The downstream node of next-hop node.
8. device according to claim 7, which is characterized in that
Described first deletes unit, is also used in the specified node be intermediate node, and the incoming interface of the intermediate node loses
When effect, the corresponding local LSP information of the failure incoming interface in the specified node is deleted；
First transmission unit is also used to for the notification information being sent to next node of the specified node；
The judging unit, for judging whether the upper hop node of the specified node is root section according to the topological relation
Point, wherein when the upper hop node is root node, delete the corresponding local of the failure incoming interface in the root node
LSP information；
First transmission unit, for when upper hop node is not root node, the notification information to be sent to root node,
And deleted in the root node after the corresponding local LSP information of failure incoming interface in the root node, it will via the root node
The notification information is sent to the downstream node of the root node.
9. device according to claim 7, which is characterized in that the sending module includes:
First transmission unit for being intermediate node in the specified node, and loses in the outgoing interface of the intermediate node
When effect, the notification information is sent to root node, deletes the failure outgoing interface pair in the root node in the root node
After the local LSP information answered, the notification information is sent to the downstream node of the root node via the root node；
The judging unit, for judging whether the next-hop node of the specified node is periproct according to the topological relation
Point, wherein when the next-hop node is tail node, connect out by described fail in tail node described in the periproct point deletion
The corresponding local LSP information of mouth；
First transmission unit is also used to when next-hop node is not tail node, is deleting institute in the next-hop node
After stating the corresponding local LSP information of failure outgoing interface, via the next-hop node by the notification information be sent to it is described under
The downstream node of one hop node.
10. device according to claim 9, which is characterized in that
Described first deletes unit, for deleting failure interface pair in the specified node when the specified node is tail node
The local LSP information answered；
The judging unit, for judging whether the upper hop node of the specified node is root section according to the topological relation
Point, wherein when the upper hop node is root node, delete the corresponding local LSP of the failure interface in the root node
Information；
First transmission unit, for when upper hop node is not root node, the notification information to be sent to root node,
After the root node deletes the corresponding local LSP information of the failure interface in the root node, via root node general
The notification information is sent to the downstream node of the 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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| CN101136788A (en) * | 2006-08-30 | 2008-03-05 | 华为技术有限公司 | Fault location method and system for MPLS multicast |
| CN101132642A (en) * | 2007-09-21 | 2008-02-27 | 中兴通讯股份有限公司 | Method for establishing LSP tunnel in NGN based on MPLS-TE |
| EP2405609A2 (en) * | 2008-04-17 | 2012-01-11 | Vodafone España, S.A. | System and method for monitoring and optimizing traffic in mpls-diffserv networks |
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| CN105704044A (en) | 2016-06-22 |
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