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Protection switching method, apparatus and system

A technology for protection switching and line protection, applied in the field of communications, can solve problems such as occupied time, affecting system efficiency, data loss, etc., and achieve the effect of improving efficiency

Active Publication Date: 2009-07-15
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004]However, in the process of business data transmission, the switching of lines will often cause data loss, and the switching process will take up time and affect the efficiency of the system

Method used

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  • Protection switching method, apparatus and system
  • Protection switching method, apparatus and system
  • Protection switching method, apparatus and system

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Embodiment Construction

[0027] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0028] In the existing protection switching system, the line selector is used in the data receiving device, and line switching is required when a line fault is detected. For the 1:1 protection switching mode, the data receiving device will not receive the protection at the same time. Service data transmitted by lines and working lines. Therefore, the line selector is not used in the data receiving device in the embodiment of the present invention, but is directly connected with the protection line and the working line to obtain the service data sent by the sending end. switch. figure 1 It is a schematic flowchart of an embodiment of a protection switching method in the present invention, such as figure 1 As shown, the protection switching method provided by the embodiment of the present invention is used at the recei...

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Abstract

An embodiment of the invention provides a protection switching method, a device and a system thereof, wherein the protection switching method comprises the following steps: respectively establishing path of data transmission to the data transmission end through an operating link and a protecting link, and receiving service data from the data transmission end through the operating link; receiving detection information from the operating link and the protecting link; when the operating link is determined to be generated with a failure according to the detection information, transmitting notifying information indicating circuit switching to the data transmission end; and receiving the service data transmitted from the data transmission end through the protecting link. The embodiment of the invention also provides a protection switching device and a protection switching system correspondingly. The protection switching method, the device and the system provided by the embodiment of the invention can increase the protection switching efficiency, reduce the data loss in the protection switching process and increase the transmission quality of service data.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a protection switching method, device and system. Background technique [0002] Operations, Administration and Maintenance (hereinafter referred to as: OAM) and automatic protection switching (hereinafter referred to as: APS) technologies originated in the field of asynchronous transfer mode (hereinafter referred to as: ATM). With the continuous enhancement of telecommunications requirements, OAM and APS have become standard technologies for mainstream routers and Metro Ethernet products. Operators have also put forward higher requirements for IP service bearer networks, such as 10ms line error correction, 50ms line protection techniques, etc. [0003] OAM defines a line error detection mechanism, and the corresponding APS means that when a communication line in the network fails, use another line to continue transmitting data through a selection switch. [0004] ...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04W24/04
Inventor 靳亮吕永鑫周健
Owner HUAWEI TECH CO LTD
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