Network element and ring network protection method

A ring network and network element technology, applied in the field of communication, can solve problems such as inability to achieve business logic isolation and differentiated services

Active Publication Date: 2015-03-18
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a method for network element and ring network protection, and solves the problem that

Method used

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  • Network element and ring network protection method
  • Network element and ring network protection method
  • Network element and ring network protection method

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0060] An embodiment of the present invention provides a network element, see figure 1 , the network element includes:

[0061] Section layer (Section) OAM (Operation Administration Maintenance, operation, management, maintenance) processing unit 101, determination unit 102 and one or more ring network state machine processing units 103:

[0062] Each ring network state machine processing unit 103 corresponds to a ring network where the network element is located;

[0063] The segment layer OAM processing unit 101 is used to detect whether the adjacent link fails, and after the adjacent link fails, the link failure information is sent to the determination unit 102, and the protocol message is sent to the failed ring network Neighboring network elements, so that the network elements on the faulty ring network can receive the protocol message and determine the faulty ring network;

[0064] The determination unit 102 is configured to determine the failed ring network after receiv...

Embodiment 2

[0072] An embodiment of the present invention provides a network element, see figure 2 , the network element includes:

[0073] The segment layer OAM processing unit 201 is used to receive the protocol message, and forward the protocol message to the adjacent network element on the ring network where the failure occurs, so that the network element on the ring network where the failure occurs receives the protocol message and determines that the failure occurs ring network;

[0074] The protocol distribution unit 202 is configured to resolve the ring network identifier from the protocol message received by the segment layer OAM processing unit 201, and determine the ring network in which the failure occurs according to the ring network identifier;

[0075] Wherein, the protocol message is used to instruct the network element on the ring network where the failure occurs to perform protection switching;

[0076] The ring network identifier is an identifier of each ring network...

Embodiment 3

[0080] An embodiment of the present invention provides a network element, see image 3 , the network element includes:

[0081] memory 301 for storing information including program routines;

[0082] The processor 302, coupled with the memory 301 and the transmitter 303, is used to control the execution of the program routine, specifically including: after detecting that an adjacent link fails, determine one or more failed ring networks, and correct the failed ring network. The ring network performs protection switching, and the ring network identifier of the failed ring network is encapsulated in the protocol message;

[0083] The transmitter 303 is configured to send the protocol message encapsulated by the processor 302 to the adjacent network element on the failed ring network, so that the network element on the failed ring network can receive the protocol message and determine the failed ring network element .

[0084] Wherein, the ring network identifier is an identif...

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Abstract

Provided in the present invention are a network element and a protection method for ring network protection, the method comprising: upon the detection of a fault in a neighboring link, determining one or more faulty ring networks; performing protection switching on the faulty ring networks; encapsulating the ring network identifiers of the faulty ring networks in a protocol message; sending the protocol message to neighboring network elements on the faulty ring networks so that the network elements on the faulty ring networks can receive the protocol message and determine the faulty ring networks. The network identifier is an identifier owned by each ring network and used for differentiating from other ring networks; and the protocol message is used for indicating the network elements on the faulty ring networks to perform protection switching. The embodiment of the present invention provides the network element and the method for ring network protection, service logic separation and differentiated service among multiple rings on a single link are realized through the ring network identifiers, and nodes on the ring networks are coordinated to compete the protection switching of the ring networks, so as to improve the reliability of ring network protection.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a network element and a ring network protection method. Background technique [0002] MPLS-TP (Multi-Protocol Label Switching Transport Profile, multi-protocol label switching transmission standard) ring network protection is a ring topology protection technology, which can realize automatic protection switching of services on the ring topology. Because ring networking is more common in operators and industry application markets, the MPLS-TP ring network protection technology suitable for ring topology protection has attracted increasing attention. [0003] In a large-scale network, it is necessary to establish multi-level ring networks such as access, aggregation, and core. There are scenarios where common fibers intersect between different ring networks, and multiple ring networks need to be carried on one link. However, the existing MPLS -TP ring network protection tech...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L12/26
CPCH04L12/437
Inventor 夏建东贺佳
Owner HUAWEI TECH CO LTD
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