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Method, system and equipment for service recovery

A technology for service recovery and state recovery, applied in the field of communications, can solve the problems of inability to meet customer service requirements, service recovery time and service recovery time, and achieve the effect of low bandwidth resource utilization and improved utilization.

Active Publication Date: 2010-02-10
乐陵市建兴装饰工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Although the traditional service recovery time using the multiplex section protection mechanism is short, the average resource utilization rate can only be 50%. However, the method of using the shared MESH recovery mechanism can improve the resource utilization rate, but the service recovery time is shorter than the traditional multiplex section protection mechanism. The business recovery time of the segment protection mechanism is long, which cannot meet the customer's business requirements

Method used

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  • Method, system and equipment for service recovery
  • Method, system and equipment for service recovery

Examples

Experimental program
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Embodiment 1

[0032] An embodiment of the present invention provides a service recovery method, including:

[0033] 101: Set the working resource of a traffic engineering link in the network to the shared MESH recovery status, and flood the shared MESH recovery status information into the network, and the shared MESH recovery status information is used to notify the traffic engineering link The fault recovery mode of the working resource is section-level shared MESH recovery. There are N section-level forwarding adjacency label switching paths built on the working resource of the traffic engineering link. The traffic engineering links other than the traffic engineering link in the network N segment-level shared MESH recovery paths corresponding to the N segment-level forwarding adjacency label switching paths are built on the recovery resource of the link;

[0034] 102: Detect whether the traffic engineering link is faulty. When it is detected that the traffic engineering link is faulty, sw...

Embodiment 2

[0072] An embodiment of the present invention provides a node device, such as image 3 As shown, the device includes:

[0073] A setting module, configured to set the working resource of a traffic engineering link in the network as a shared MESH recovery state, and flood the shared MESH recovery state information into the network, and the shared MESH recovery state information is used to notify the flow The failure recovery mode of the working resource of the engineering link is section-level shared MESH recovery. There are N section-level forwarding adjacency label switching paths built on the working resource of the traffic engineering link. N segment-level shared MESH recovery paths corresponding to the N segment-level forwarding adjacency label-switched paths are built on the recovery resource of the traffic engineering link;

[0074] A detection module, configured to detect whether the traffic engineering link is faulty;

[0075] A segment-level recovery module, configu...

Embodiment 3

[0084] The embodiment of the present invention provides a service recovery system, such as Figure 5 As shown, including: node devices and network management equipment.

[0085] A node device, configured to set the working resource of a traffic engineering link in the network as a shared MESH recovery state, and flood the shared MESH recovery state information into the network, and the shared MESH recovery state information is used to notify the traffic The failure recovery mode of the working resource of the engineering link is section-level shared MESH recovery. There are N section-level forwarding adjacency label switching paths built on the working resource of the traffic engineering link. N segment-level shared MESH recovery paths corresponding to the N segment-level forwarding adjacency label-switched paths are built on the recovery resource of the traffic engineering link;

[0086] Detect whether the traffic engineering link is faulty;

[0087] When a failure of the t...

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Abstract

The embodiment of the invention discloses a method, a system and equipment for service recovery, which belong to the field of communication. The method comprises the following steps: setting the work resource of a traffic engineering link in a network in a sharing MESH recovery state; flooding the sharing MESH recovery state information into the network, wherein the sharing MESH recovery state information is used for notifying that the fault recovering mode of the work resource of the traffic engineering link is the segment level sharing MESH recovery; detecting whether the traffic engineering link has a fault or not; and recovering the service on the work resource of the traffic engineering link by switching N segment level forwarding adjacent label switching paths on the traffic engineering link to N corresponding segment level share MESH recovering paths when a fault is detected on the traffic engineering link. The technical scheme provided by the embodiment of the invention can reduce the service recovery time and meet the service requirement of a client when the bandwidth resource utilization is high.

Description

technical field [0001] The present invention relates to the field of communications, in particular to a service recovery method, system and equipment. Background technique [0002] Automatically Switched Optical Network (ASON) introduces the control plane between the transmission plane and the management plane of the traditional optical network, so that it has the functions of automatic neighbor, automatic link and automatic topology discovery, and the rerouting of the control plane The mechanism is combined with protection mechanisms such as subnet connection protection and multiplex section protection of traditional optical networks, and can flexibly and automatically provide permanent 1+1 protection, 1+1 protection plus recovery, multiplex section protection plus recovery, shared MESH recovery, Various types of protection and recovery services such as dynamic recovery, no protection, and additional services. [0003] In order to effectively restore services when a failur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04Q11/00H04B1/74H04L12/56H04L45/28H04L45/50
CPCH04L47/10H04L45/50H04L41/0677H04L45/28H04L41/0654H04L45/00
Inventor 孙俊
Owner 乐陵市建兴装饰工程有限公司
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