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Method for improving transmission reliability in virtual exchange system

A virtual switching system and reliability technology, which is applied in the field of improving transmission reliability in virtual switching systems, can solve problems such as service interruption and reduce the reliability of dedicated line services, and achieve the effects of improving reliability, reducing interruption risks, and enhancing stability

Inactive Publication Date: 2009-05-06
HUAWEI TECH CO LTD
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Problems solved by technology

[0007] The problem in the above service data forwarding process is that the bearer capability layer itself has no fault recovery mechanism. Once a physical link between DREs at the bearer capability layer fails, the V-Switch private line service will be removed. That is, when the bearer capability layer detects When the status of the virtual channel fails, the connection will be closed and all affected resources will be released, which will cause service interruption and reduce the reliability of the private line service

Method used

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  • Method for improving transmission reliability in virtual exchange system
  • Method for improving transmission reliability in virtual exchange system
  • Method for improving transmission reliability in virtual exchange system

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Embodiment Construction

[0032] The core idea of ​​the present invention is to provide a method for improving transmission reliability in a virtual switching system. When selecting a service flow path through the connection control layer, the method simultaneously selects two or more transmission paths for the service flow and determines the path priority , once the main path fails, the bearer capacity layer can automatically switch the dedicated line to the backup path for bearer, which is used to improve the fault recovery capability of the bearer capacity layer of the V-Switch.

[0033] The present invention provides a method for improving transmission reliability in a virtual switching system, such as figure 2 Shown is a schematic diagram of the backup path of the bearing capacity layer in the present invention, image 3 It is the operation flowchart of the backup path method described in the present invention, refer to below figure 2 and image 3 The backup path process of the present inventi...

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Abstract

The method comprises: when the control layer needs to select traffic flow path, it selects two transmission paths for the traffic flow and determines the priority for each path in order to improve the failure recovery capacity of V-Switch. By the invention, when a certain physical path failures, the path backup mechanism can rapidly switched the traffic flow into the standby path.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a method for improving transmission reliability in a virtual switching system. Background technique [0002] With the continuous increase of Internet scale, various network services emerge one after another, and advanced multimedia systems emerge in endlessly. Since multimedia services occupy a large amount of bandwidth, it is difficult to obtain reliable transmission of key services to be guaranteed by the existing network. Therefore, various QoS (Quality of Service) technologies emerge as the times require. A variety of portal-based applications and services and broadband multimedia services, including providing rich Video (video) / Audio (audio) streams, VOD (video on demand), video multicast, multimedia interaction, and high-bandwidth networks for ordinary residential users Gaming; providing business users with video conferencing, distance education, VPN (virtua...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/24
CPCH04L45/22H04L45/28H04L45/02H04L45/247
Inventor 段小军范灵源陈悦鹏吴登超柯猛
Owner HUAWEI TECH CO LTD
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