CN105553847B - Switching method and device in multi-protocol label switching ring network - Google Patents
Switching method and device in multi-protocol label switching ring network Download PDFInfo
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Abstract
The invention provides a switching method and a device in a multi-protocol label switching ring network, wherein the method comprises the following steps: the first intermediate node detects that a link between the first intermediate node and an adjacent second intermediate node fails; the method comprises the steps that a first intermediate node obtains a pre-established incidence relation between an outgoing working tunnel and an outgoing protection tunnel of the first intermediate node; and the first intermediate node switches the outgoing data flow on the outgoing working tunnel to the outgoing protection tunnel or switches the outgoing data flow on the outgoing protection tunnel to the outgoing working tunnel according to the incidence relation. The scheme of the invention ensures that table lookup is not needed in the data flow switching process in the multi-protocol label switching network ring network, thereby greatly saving the switching time.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a switching method and apparatus in a multi-protocol label switching ring network.
Background
MPLS-TP (Multi-Protocol Label Switching Transport network standard) was proposed by the united working group formed by the international telecommunication union telecommunication standardization organization ITU-T and the internet engineering task force IETF in month 4 of 2008, and its predecessor was the packet Transport technology T-MPLS technical standard developed by ITU-T starting in month 5 of 2005.
With the development of communication technology, MPLS-TP becomes a mainstream direction for the development of transport networks. The MPLS-TP technology simplifies and reforms multi-protocol label switching (MPLS) and pseudo wire (MPLS/PW) technologies, introduces concepts of transmission network layering, operation, maintenance, management, administration and maintenance (OAM), protection and the like, and meets the requirements of a transmission network. MPLS-TP provides a layered concept to meet the requirement of the transport network, and is mainly divided into a Section Layer (Section Layer), an LSP Layer (Label Switch Path Layer), and a PW Layer (Pseudo Wire Layer). Respective OAM (Operations, Administration, and maintenance) standards are defined for each layer, and linear protection standards of lsp (label Switch path) and pw (pseudo wire) are also defined.
The protection is taken as a core topic of the MPLS-TP network and is mainly responsible for ensuring the reliability of the network, and under the condition that the network fails or the transmission quality is reduced, the switching from a failed link to a backup link is completed, and the normal service communication is recovered in the shortest time.
In the conventional ring network switching, the service switching adopts the mode of modifying a next hop interface by using a common lookup label table, and the conventional switching time mainly comprises two parts of alarm detection and switching action, so that the switching time is longer, the service switching is not timely, and the transmission quality of the service is also influenced.
Disclosure of Invention
The invention aims to provide a switching method and a device in a multi-protocol label switching ring network, which can solve the problems that the service switching in the conventional ring network adopts the mode of modifying a next hop interface by adopting a common look-up label table, the conventional switching time is mainly formed by two parts of alarm detection and switching action, the switching time is longer, the service switching is not timely, and the transmission quality of the service is influenced.
In order to solve the above technical problem, an embodiment of the present invention provides a switching method in a multi-protocol label switching ring network, where the switching method includes:
the first intermediate node detects that a link between the first intermediate node and an adjacent second intermediate node fails;
the method comprises the steps that a first intermediate node obtains a pre-established incidence relation between an outgoing working tunnel and an outgoing protection tunnel of the first intermediate node;
and the first intermediate node switches the outgoing data flow on the outgoing working tunnel to the outgoing protection tunnel or switches the outgoing data flow on the outgoing protection tunnel to the outgoing working tunnel according to the incidence relation.
Wherein the step of the first intermediate node detecting that the link between itself and the adjacent second intermediate node is failed comprises:
the first intermediate node acquires the link fault warning information transmitted by the link;
and the first intermediate node detects the link failure information and detects that the link between the first intermediate node and the adjacent second intermediate node has a failure.
The step of establishing the association relationship between the outbound working tunnel and the outbound protection tunnel of the first intermediate node comprises the following steps:
the first intermediate node establishes the associated information of the working output interface and the protection output interface;
and the first intermediate node acquires the association relation between the outgoing working tunnel and the outgoing protection tunnel of the first intermediate node according to the association information of the working outgoing interface and the protection outgoing interface.
The step of establishing the association information of the working outgoing interface and the protection outgoing interface by the first intermediate node comprises the following steps:
the first intermediate node acquires a work output label corresponding to the work output interface;
the first intermediate node checks a table according to the work output label to obtain the protection output label information related to the work output label;
the first intermediate node acquires a protection output interface corresponding to the protection output label according to the protection output label;
the first intermediate node respectively packages the working output interface and the protection output interface to acquire package information; wherein the encapsulation information includes the associated information of the working output interface and the protection output interface.
The step of acquiring the association relationship between the outbound working tunnel and the outbound protection tunnel of the first intermediate node by the first intermediate node according to the association information between the working outbound interface and the protection outbound interface includes:
the first intermediate node acquires a corresponding outgoing working tunnel according to the working outgoing interface, and
the first intermediate node acquires a corresponding outgoing protection tunnel according to the protection outgoing interface;
and the first intermediate node acquires the association relation between the outbound working tunnel and the outbound protection tunnel according to the association information of the working outbound interface and the protection outbound interface.
In order to solve the above technical problem, an embodiment of the present invention further provides a switching device in a multi-protocol label switching ring network, where the switching device includes:
the detection module is used for detecting that a link between the detection module and the adjacent second intermediate node has a fault;
the system comprises an acquisition module, a judgment module and a protection module, wherein the acquisition module is used for acquiring the pre-established association relationship between an outbound working tunnel and an outbound protection tunnel;
and the switching module is used for switching the outgoing data flow on the outgoing working tunnel to the outgoing protection tunnel or switching the outgoing data flow on the outgoing protection tunnel to the outgoing working tunnel according to the incidence relation.
Wherein the detection module comprises:
the first obtaining submodule is used for obtaining the link fault warning information transmitted by the link;
and the detection submodule is used for detecting the link failure information and detecting that the link between the detection submodule and the adjacent second intermediate node has a failure.
Wherein, the switching device further comprises:
the establishing submodule is used for establishing the associated information of the working output interface and the protection output interface;
and the second obtaining submodule is used for obtaining the association relation between the outgoing working tunnel and the outgoing protection tunnel according to the association information of the working outgoing interface and the protection outgoing interface.
Wherein the establishing submodule comprises:
the first acquisition unit is used for acquiring a work output label corresponding to the work output interface;
a second obtaining unit, configured to obtain, according to the work outgoing label, a protection outgoing label associated with the work outgoing label information by looking up a table;
a third obtaining unit, configured to obtain, according to the protected outgoing label, a protected outgoing interface corresponding to the protected outgoing label;
a fourth obtaining unit, configured to respectively package the working outgoing interface and the protection outgoing interface, and obtain package information; wherein the encapsulation information includes the associated information of the working output interface and the protection output interface.
Wherein the second obtaining sub-module includes:
a fifth obtaining unit, configured to obtain, according to the work outgoing interface, a corresponding outgoing work tunnel, and
a sixth obtaining unit, configured to obtain a corresponding egress protection tunnel according to the protection egress interface;
and a seventh obtaining unit, configured to obtain, according to the association information between the work outgoing interface and the protection outgoing interface, an association relationship between the outgoing work tunnel and the outgoing protection tunnel.
The technical scheme of the invention has the following beneficial effects:
in the scheme of the invention, the intermediate node is adopted to pre-establish the incidence relation between the outgoing working tunnel and the outgoing protection (backup) tunnel, so that the outgoing data stream can be switched directly according to the incidence relation when a link fails, the problem of time delay caused by finding out the next hop-out interface of the outgoing data stream is avoided, the service switching is more timely, and the service transmission quality is improved.
Drawings
Fig. 1 shows a first schematic flow chart of a switching method in a multi-protocol label switching ring network according to the present invention;
fig. 2 is a schematic flow chart of a switching method in a multi-protocol label switching ring network according to the present invention;
fig. 3 shows a third schematic flow chart of the switching method in the multi-protocol label switching ring network according to the present invention;
fig. 4 shows a schematic flow chart of a switching method in a multi-protocol label switching ring network according to a fourth embodiment of the present invention;
FIG. 5 is a flow diagram illustrating data flow when the MPLS ring network is failure-free according to an embodiment of the present invention;
fig. 6 is a schematic flow diagram illustrating data flow when a multi-protocol label switching ring network fails according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a switching device in a multi-protocol label switching ring network according to the present invention;
fig. 8 is a schematic diagram illustrating a switching device in a multi-protocol label switching ring network according to a second embodiment of the present invention;
fig. 9 shows a schematic diagram of a switching device in a multi-protocol label switching ring network according to a third embodiment of the present invention;
fig. 10 is a schematic diagram illustrating a switching device in a multi-protocol label switching ring network according to a fourth embodiment of the present invention;
fig. 11 shows a schematic diagram of a switching device in the mpls ring network according to the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the switching method in the multi-protocol label switching ring network of the present invention includes the following steps:
and step 13, the first intermediate node switches the outgoing data flow on the outgoing working tunnel to the outgoing protection tunnel or switches the outgoing data flow on the outgoing protection tunnel to the outgoing working tunnel according to the incidence relation.
Of course, in the above steps, step 11 and step 12 are not in a strict execution order, and step 12 may be executed first, then step 11 is executed, and then step 13 is executed.
Before executing steps 11 to 13, first configuring an association relationship between an outbound working tunnel and an outbound protection tunnel of a first intermediate node, where the steps are as shown in fig. 2, and the method includes:
and step 22, the first intermediate node acquires the association relationship between the outbound working tunnel and the outbound protection tunnel of the first intermediate node according to the association information of the working outbound interface and the protection outbound interface.
Specifically, the step 21 is shown in fig. 3, and includes the following steps:
Specifically, the step 22 is shown in fig. 4, and includes the following steps:
the first intermediate node acquires a corresponding outgoing protection tunnel according to the protection outgoing interface;
and 42, the first intermediate node acquires the association relationship between the outbound working tunnel and the outbound protection tunnel according to the association information between the working outbound interface and the protection outbound interface.
The above steps will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 5, the ring network is a multi-protocol label switching (MPLS) ring network under a wrapping (hereinafter, referred to as wrapping) protection mode, and the ring network includes a node a, a node B, a node C, a node D, a node E, and a node F. In the embodiment of the present invention, assuming that node a is an upper ring node, node D is a lower ring node, node B and node C are both intermediate nodes, node B is a first intermediate node, node C is a second intermediate node adjacent to the first intermediate node, and the association relationship between the outbound working tunnel and the outbound protection tunnel of node B is configured as an example, the specific configuration steps are: first, each egress interface has a corresponding egress label, and the node B obtains working egress label information corresponding to a working egress interface of the node B, where in a specific embodiment of the present invention, the working egress label corresponding to the working egress interface of the node B is W2; then, the node B obtains a protection outgoing label corresponding to the working outgoing label W2 by looking up a table according to the working outgoing label W2, in a specific embodiment of the present invention, the protection outgoing label corresponding to W2 is P6, taking the case that a data stream flows from the node a to the node D, an association relationship between the working outgoing label W2 and the protection outgoing label P6, an association relationship between the working outgoing label W3 and the protection outgoing label P5, and the like are stored in the table; then the node B acquires a protection output interface corresponding to the P6 according to the P6; then, the working output interface and the protection output interface are respectively packaged with information, wherein the packaged information comprises: the working output interface and the protection output interface are associated with each other; then, because the egress interfaces all have corresponding egress tunnels, the node B first acquires a corresponding egress working tunnel LSP-1 according to the working egress interface, and acquires a protection egress tunnel LSP-2 according to the protection egress interface; and then, according to the incidence relation between the working outgoing interface and the protection outgoing interface, establishing the incidence relation between the outgoing working tunnel LSP-1 and the outgoing protection tunnel LSP-2.
Similarly, the principle of establishing the association relationship between the outbound working tunnel and the outbound protection tunnel of the node C is the same as that of the node B, and is not described herein again. Thereby obtaining the incidence relation between the outgoing working tunnel LSP-3 and the outgoing protection tunnel LSP-4 of the C node.
Under the using wrapping protection mode, when the MPLS ring network has no fault:
the working path and working output label of the ring network are described as follows: a [ W1] → B [ W2] → C [ W3] -D; wherein, a [ W1] → B [ W2] is taken as an example, and it is explained that when the node B receives the outgoing data stream with the outgoing label W1 from the node a, the node B queries the label table, queries that the outgoing label corresponding to the outgoing interface of the node B is W2, replaces the label W1 in the outgoing data stream with W2, and sends the outgoing data stream from the corresponding outgoing interface of the node B.
Under the wrapping protection mode, the protection path and the protection outgoing label of the MPLS ring network are described as follows:
A[P1]→F[P2]→E[P3]→D[P4]→C[P5]→B[P6]-A。
as shown in fig. 6, in the first embodiment of the present invention, after a ring network fails, if a link between a node B and a node C fails, that is, if an outbound working tunnel LSP-1 of the node B fails, then the tunnel LSP-1 and an outbound working tunnel LSP-3 of the node C generate a link failure alarm and send the link failure alarm to the node B and the node C, respectively, after receiving the link failure alarm information, the node B first obtains an association relationship between the preconfigured outbound working tunnel LSP-1 and outbound protection tunnel LSP-2, and then switches an outbound data stream on the outbound working tunnel LSP-1 of the node B to an outbound protection tunnel LSP-2 according to the obtained association relationship between the preconfigured outbound working tunnel LSP-1 and outbound protection tunnel LSP-2, and transmitting the outgoing data stream to a C node outgoing protection tunnel LSP-4 through a protection path of a ring network, wherein the C node firstly acquires the association relationship between the preconfigured outgoing working tunnel LSP-3 and the outgoing protection tunnel LSP-4 because the C node also receives link fault alarm information, and then switches the outgoing data stream from the outgoing protection tunnel LSP-4 to the outgoing working tunnel according to the acquired association relationship between the preconfigured outgoing working tunnel LSP-3 and the outgoing protection tunnel LSP-4, so that the outgoing data stream flows into a D node and is looped down through the outgoing working tunnel LSP-3 of the C node.
Or, as shown in fig. 6, in the second embodiment of the present invention, the intermediate nodes are a B node and a C node, both the B node and the C node first obtain the association relationship between the preconfigured outbound working tunnel and outbound protection tunnel, when the ring network fails, if the link between the B node and the C node fails, that is, the outbound working tunnel LSP-1 of the B node fails, at this time, the tunnel LSP-1 and the outbound working tunnel LSP-3 of the C node generate a link failure alarm and respectively send the link failure alarm to the B node and the C node, after receiving the link failure alarm information, the B node directly switches the outbound data stream on the outbound working tunnel LSP-1 of the B node to the outbound protection tunnel LSP-2 according to the obtained association relationship between the preconfigured outbound working tunnel LSP-1 and outbound protection tunnel LSP-2, and the outgoing data stream is transmitted to the C node outgoing protection tunnel LSP-4 through the protection path of the ring network, and the C node receives the link failure alarm information, so that the outgoing data stream is directly switched from the outgoing protection tunnel LSP-4 to the outgoing working tunnel according to the obtained pre-configured association relationship between the outgoing working tunnel LSP-3 and the outgoing protection tunnel LSP-4, so that the outgoing data stream flows into the D node through the outgoing working tunnel LSP-3 of the C node and is looped down.
Of course, when the node D is an upper ring node and the node a is a lower ring node, the switching manner and principle are similar to those when the node a is an upper ring node and the node D is a lower ring node, and details are not repeated here.
The scheme of the invention adopts the intermediate node to pre-establish the incidence relation between the outgoing working tunnel and the outgoing protection (backup) tunnel, so that the outgoing data stream can be switched directly according to the incidence relation when a link fails, thereby avoiding the problem of time delay caused by searching the next hop-out interface of the outgoing data stream.
As shown in fig. 7, an embodiment of the present invention further provides a switching device in a multi-protocol label switching ring network, where the switching device includes:
a detecting module 71, configured to detect that a link between itself and an adjacent second intermediate node has failed;
an obtaining module 72, configured to obtain a pre-established association relationship between an outbound working tunnel and an outbound protection tunnel;
and a switching module 73, configured to switch the outbound data stream on the outbound working tunnel to the outbound protection tunnel or switch the outbound data stream on the outbound protection tunnel to the outbound working tunnel according to the association relationship.
As shown in fig. 8, the detection module 71 includes:
a first obtaining submodule 81, configured to obtain link failure alarm information transmitted by the link;
and the detection submodule 82 is configured to detect the link failure information, and detect that a link between the link and an adjacent second intermediate node has a failure.
As shown in fig. 9, the switching device further includes:
the establishing submodule 91 is used for establishing the associated information of the working output interface and the protection output interface;
and the second obtaining submodule 92 is configured to obtain an association relationship between the outbound working tunnel and the outbound protection tunnel according to the association information between the working outbound interface and the protection outbound interface.
As shown in fig. 10, the establishing sub-module 91 further includes:
a first obtaining unit 101, configured to obtain a work output label corresponding to a work output interface;
a second obtaining unit 102, configured to obtain, according to the work outgoing label, a protection outgoing label associated with the work outgoing label information by looking up a table;
a third obtaining unit 103, configured to obtain, according to the protected outgoing label, a protected outgoing interface corresponding to the protected outgoing label;
a fourth obtaining unit 104, configured to respectively package the working outgoing interface and the protection outgoing interface, and obtain package information; wherein the encapsulation information includes the associated information of the working output interface and the protection output interface.
As shown in fig. 11, the second obtaining sub-module 92 includes:
a fifth obtaining unit 110, configured to obtain a corresponding outbound working tunnel according to the working outbound interface, and
a sixth obtaining unit 111, configured to obtain a corresponding egress protection tunnel according to the protection egress interface;
a seventh obtaining unit 112, configured to obtain an association relationship between the outbound working tunnel and the outbound protection tunnel according to the association information between the working outbound interface and the protection outbound interface.
It should be noted that the apparatus is an apparatus including the method, and the implementation manner of the embodiment of the method is applicable to the embodiment of the apparatus, and the same technical effect can be achieved.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A switching method in a multi-protocol label switching ring network is characterized by comprising the following steps:
the first intermediate node detects that a link between the first intermediate node and an adjacent second intermediate node fails;
the method comprises the steps that a first intermediate node obtains an association relation between an outgoing working tunnel and an outgoing protection tunnel of the first intermediate node, which is pre-established according to association information of a working outgoing interface and a protection outgoing interface of the first intermediate node;
and the first intermediate node switches the outgoing data flow on the outgoing working tunnel to the outgoing protection tunnel or switches the outgoing data flow on the outgoing protection tunnel to the outgoing working tunnel according to the incidence relation between the outgoing working tunnel and the outgoing protection tunnel.
2. The switching method according to claim 1, wherein the step of the first intermediate node detecting that the link between itself and the adjacent second intermediate node has failed comprises:
the first intermediate node acquires the link fault warning information transmitted by the link;
and the first intermediate node detects the link fault alarm information and detects that the link between the first intermediate node and the adjacent second intermediate node has a fault.
3. The switching method according to claim 1, wherein the step of establishing the association relationship between the outbound working tunnel and the outbound protection tunnel of the first intermediate node comprises:
the first intermediate node establishes the associated information of the working output interface and the protection output interface;
and the first intermediate node acquires the association relation between the outgoing working tunnel and the outgoing protection tunnel of the first intermediate node according to the association information of the working outgoing interface and the protection outgoing interface.
4. The switching method according to claim 3, wherein the step of the first intermediate node establishing association information between the working outgoing interface and the protection outgoing interface includes:
the first intermediate node acquires a work output label corresponding to the work output interface;
the first intermediate node looks up a table according to the work outgoing label to obtain a protection outgoing label associated with the work outgoing label;
the first intermediate node acquires a protection output interface corresponding to the protection output label according to the protection output label;
the first intermediate node respectively packages the working output interface and the protection output interface to acquire package information; wherein the encapsulation information includes the associated information of the working output interface and the protection output interface.
5. The switching method according to claim 4, wherein the step of the first intermediate node obtaining the association relationship between the outbound working tunnel and the outbound protection tunnel of the first intermediate node according to the association information between the working outbound interface and the protection outbound interface comprises:
the first intermediate node acquires a corresponding outgoing working tunnel according to the working outgoing interface, and
the first intermediate node acquires a corresponding outgoing protection tunnel according to the protection outgoing interface;
and the first intermediate node acquires the association relation between the outbound working tunnel and the outbound protection tunnel according to the association information of the working outbound interface and the protection outbound interface.
6. A switching device in a multi-protocol label switching ring network, the switching device being disposed on a first intermediate node, comprising:
the detection module is used for detecting that a link between the first intermediate node and an adjacent second intermediate node has a fault;
the acquisition module is used for acquiring the association relation between the outbound working tunnel and the outbound protection tunnel which is pre-established according to the association information of the first intermediate node working interface and the protection outbound interface;
and the switching module is used for switching the outgoing data flow on the outgoing working tunnel to the outgoing protection tunnel or switching the outgoing data flow on the outgoing protection tunnel to the outgoing working tunnel according to the incidence relation between the outgoing working tunnel and the outgoing protection tunnel of the first intermediate node.
7. The switching device according to claim 6, wherein the detecting module comprises:
the first obtaining submodule is used for obtaining the link fault warning information transmitted by the link;
and the detection submodule is used for detecting the link fault warning information and detecting that the link between the detection submodule and the adjacent second intermediate node has a fault.
8. The switching device according to claim 6, wherein the switching device further comprises:
the establishing submodule is used for establishing the associated information of the working output interface and the protection output interface;
and the second obtaining submodule is used for obtaining the association relation between the outgoing working tunnel and the outgoing protection tunnel according to the association information of the working outgoing interface and the protection outgoing interface.
9. The switching device according to claim 8, wherein the establishing sub-module comprises:
the first acquisition unit is used for acquiring a work output label corresponding to the work output interface;
a second obtaining unit, configured to obtain, according to the work outgoing label, a protection outgoing label associated with the work outgoing label information by looking up a table;
a third obtaining unit, configured to obtain, according to the protected outgoing label, a protected outgoing interface corresponding to the protected outgoing label;
a fourth obtaining unit, configured to respectively package the working outgoing interface and the protection outgoing interface, and obtain package information; wherein the encapsulation information includes the associated information of the working output interface and the protection output interface.
10. The switching device according to claim 9, wherein the second obtaining sub-module comprises:
a fifth obtaining unit, configured to obtain, according to the work outgoing interface, a corresponding outgoing work tunnel, and
a sixth obtaining unit, configured to obtain a corresponding egress protection tunnel according to the protection egress interface;
and a seventh obtaining unit, configured to obtain, according to the association information between the work outgoing interface and the protection outgoing interface, an association relationship between the outgoing work tunnel and the outgoing protection tunnel.
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| PCT/CN2015/073909 WO2016070535A1 (en) | 2014-11-04 | 2015-03-09 | Method and apparatus for rearrangement in multi-protocol label switching ring network |
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| CN111490934B (en) * | 2020-04-24 | 2021-09-14 | 电子科技大学 | Multi-path routing system based on stream burstiness |
| CN113438154B (en) * | 2021-07-01 | 2022-08-12 | 烽火通信科技股份有限公司 | Distributed MPLS network hierarchical protection switching method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101159690A (en) * | 2007-11-19 | 2008-04-09 | 杭州华三通信技术有限公司 | Multi-protocol label switch forwarding method, device and label switching path management module |
| CN101192990A (en) * | 2006-11-30 | 2008-06-04 | 华为技术有限公司 | A method and device and system for quick rerouting in MPLS network |
| CN103516540A (en) * | 2012-06-29 | 2014-01-15 | 中兴通讯股份有限公司 | Device and method for looped network protection switching |
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| CN101453744B (en) * | 2007-12-07 | 2010-09-22 | 华为技术有限公司 | Service control method and apparatus |
| CN102594667A (en) * | 2012-02-03 | 2012-07-18 | 中兴通讯股份有限公司 | Method and device for realizing fast heavy route redundancy protection |
| CN103684951B (en) * | 2012-08-31 | 2017-06-20 | 中国移动通信集团公司 | A kind of ring network protection method and system |
| US20140241204A1 (en) * | 2013-02-25 | 2014-08-28 | Alcatel-Lucent India Limited | Transit services in ethernet rings with protection |
| CN103763170B (en) * | 2014-01-29 | 2017-06-20 | 华为技术有限公司 | Looped network protecting method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101192990A (en) * | 2006-11-30 | 2008-06-04 | 华为技术有限公司 | A method and device and system for quick rerouting in MPLS network |
| CN101159690A (en) * | 2007-11-19 | 2008-04-09 | 杭州华三通信技术有限公司 | Multi-protocol label switch forwarding method, device and label switching path management module |
| CN103516540A (en) * | 2012-06-29 | 2014-01-15 | 中兴通讯股份有限公司 | Device and method for looped network protection switching |
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