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Ethernet tunnel subsection protection method and device

A segment protection, Ethernet technology, applied in the direction of data exchange network, digital transmission system, electrical components, etc., can solve the problems of inconvenient practical application, unable to provide effective PBB-TE segment protection scheme, etc., to achieve good flexibility, The effect of improving utilization and reliability

Inactive Publication Date: 2011-03-23
ZTE CORP
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  • Abstract
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AI Technical Summary

Problems solved by technology

However, the existing technology is still unable to provide a more effective PBB-TE segmentation protection scheme, which brings inconvenience to practical applications

Method used

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  • Ethernet tunnel subsection protection method and device
  • Ethernet tunnel subsection protection method and device
  • Ethernet tunnel subsection protection method and device

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Embodiment Construction

[0036] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0037] A kind of Ethernet tunnel segmentation protection method provided by the present invention, such as figure 2 As shown, it mainly includes the following steps:

[0038] In step 201, a domain edge bridge (DEB, Domain Edge Bridge) sends a connectivity check message to the DEB at the opposite end through the active segment and the backup segment in the protection domain to perform status detection.

[0039] In order to realize Ethernet tunnel segmentation protection, the present invention introduces a kind of intermediate section protection model, and this model is to an intermediate section (including the link on the section and the intermediate node on the link) in the PBB-TE network. Group TESI for protection. Such as image 3 As shown, there are two paths of the primary segment (Primary Segment) and the ba...

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Abstract

The invention discloses an Ethernet tunnel subsection protection method, which comprises that: a domain edge bridge (DEB) sends connectivity check message to the DEB of the opposite end through a main section and a dead section in a protective area to perform state detection respectively; and when the main section or the dead section occupied by traffic transmission fails, the DEB executes protective switching of traffic by state detection of the main section and the dead section in the protective area. The invention also discloses an Ethernet tunnel subsection protection device. The method and the device effectively realize Ethernet tunnel subsection protection, only protect the partial sections to be protected, and solve the disadvantage that the whole Ethernet tunnel is switched in local failure in the prior art so as to improve the utilization rate and the reliability of the network; and the method and the device have good flexibility on networking implementation protection, and meet the requirement of actual networking.

Description

technical field [0001] The invention relates to the protection technology of the Ethernet tunnel, in particular to a method and device for segment protection of the Ethernet tunnel. Background technique [0002] With the introduction of the concept of Carrier Ethernet (CE, Carrier Ethernet) to meet the requirements of telecommunication networks, a connection-oriented Ethernet technology - Provider Backbone Transport (PBT, Provider Backbone Transport) technology has also emerged. Subsequently, operators at home and abroad adopted PBT technology to form a network, which provided a good start for the development of PBT technology in the metropolitan area network. [0003] The PBT technology is a connection-oriented Ethernet transmission technology, also known as a Provider Backbone Bridge Traffic Engineering (PBB-TE, Provider Backbone Bridge Traffic Engineering) technology that supports traffic engineering. PBB-TE technology is based on PBB technology, and its core is the impr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/26
CPCH04L2212/0025H04L45/66H04L47/125H04L2212/00
Inventor 敖婷
Owner ZTE CORP
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