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Network protection method and network protection architecture

A network protection and network technology, applied in the transmission system, network interconnection, digital transmission system, etc., can solve the problems of reducing end-to-end traffic reliability and unfavorable network optimization, so as to benefit the network, reduce nodes, and ensure reliability sexual effect

Active Publication Date: 2014-12-31
SUZHOU XINENG ENVIRONMENTAL SCI & TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the case that a certain section of the path of the working entity or the protection entity is particularly vulnerable or a certain section is particularly important, the failure of this section will cause the entire path to switch, which is not conducive to network optimization
The existing PBB-TE-based end-to-end protection mechanism architecture in the network can only perform full-path protection, which slows down the speed of fault recovery, and protection switching involves all nodes in the full path, which is not conducive to network optimization and reduces End-to-end traffic reliability

Method used

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  • Network protection method and network protection architecture
  • Network protection method and network protection architecture

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Embodiment Construction

[0036] image 3 The flow chart of the method for realizing network protection of the present invention, as image 3 As shown, in a PBB-TE-based network, the following steps are included:

[0037] Step 300: Set a working segment and a protection segment in the determined partial network.

[0038] A partial network refers to a part of the protected network, which can be called a partial area, or a segment or a segmented network. It is determined in advance according to the actual situation of the network. For example, some segments that are particularly vulnerable or important can Set to local area. In this paper, the protection of a local network may also be called local area protection or area protection, segment protection or segment protection, or other similar names.

[0039] There are two end nodes at the ends of the working segment and the protection segment respectively, and at least one of the end nodes of the working segment and the protection segment overlaps to be...

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Abstract

A network protection method and a network protection framework are provided by this invention. In the network based on the Provider Backbone Bridge Traffic Engineering (PBB-TE), a local network is determined, and a work segment and a protect segment are set in the determined local network. When the work segment path fails, the traffic on this work segment path is switched to its protect segment path, rather than the switching of the whole path. Therefore, the speed of the failure recovery is improved, and the nodes concerned with the protection switching are reduced.

Description

technical field [0001] The present invention relates to network protection technology, in particular to a network protection method and network protection system based on carrier-grade Ethernet technology, ie Provider Backbone Bridge Traffic Engineering (PBB-TE, Provider Backbone Bridge Traffic Engineering) supporting traffic engineering. Background technique [0002] Due to its simplicity, high efficiency and low cost, Ethernet technology has been widely used in local area networks, and is rapidly shifting from a LAN-based networking technology to an enterprise network, a metropolitan area telecommunication network and a wide area telecommunication network. Such as the development of large-scale networking technology, therefore, the carrier-class Ethernet technology came into being. [0003] The Institute of Electrical and Electronics Engineers (IEEE, Institute of Electrical and Electronics Engineers) of the United States proposed a carrier-class Ethernet technology, namely...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/46H04L12/24
CPCH04L12/462H04L45/28H04L45/00H04L45/66H04L45/22
Inventor 吴少勇魏月华
Owner SUZHOU XINENG ENVIRONMENTAL SCI & TECH CO LTD
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