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Protection switching method and system

A protection switching and microwave technology, applied in the field of communications, can solve the problems of abnormal communication between the main and standby equipment, and the switching cannot be realized, and achieves the effects of improving performance, reducing erroneous switching and non-switching, and ensuring reliable and safe protection switching.

Active Publication Date: 2015-07-22
ZTE CORP
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AI Technical Summary

Problems solved by technology

[0006] The present invention provides a protection switching method and system to solve the problem in the prior art that switching cannot be realized when the communication between the main and standby equipment is abnormal.

Method used

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  • Protection switching method and system
  • Protection switching method and system

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Embodiment Construction

[0024] In order to solve the problems existing in the prior art, such as long switching time resulting in long service interruption time, current undetectable faults causing service paralysis without switching, communication link failure without switching resulting in service paralysis, and false detections resulting in protection To solve the switching problem, the present invention provides a protection switching method and system.

[0025] Before describing the embodiment of the present invention, the network architecture of the embodiment of the present invention is firstly described in detail, figure 1 It is a schematic diagram of the management center-agent center architecture and data flow direction of the embodiment of the present invention, such as figure 1 As shown, the management center (Manager)-agent center (Agent) architecture includes three modules: the management center (Manager), the main agent center, that is, the main microwave node equipment agent center (M...

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Abstract

The invention discloses a protection switching method and system, in order to solve the problem that the protection switching can not be achieved when the communication between a master device and a slave device is abnormal. The protection switching method includes the following steps: a master and a slave microwave node device agent center determine that one or more failures occur on the master microwave node device or the slave microwave node device according to a multi-point failure detection policy; when the communication between the master and the slave microwave node device is normal, the master and the slave microwave node device agent center perform the protection switching through a protection switching communication path; and when the communication between the master and the slave microwave node device is abnormal, the master and the slave microwave node device agent center inform the management center and the management center performs the protection switching on the master and the slave microwave node device through the protection switching communication path. With the use of the invention, the protection switching is more reliable, the occurrence of false-switching and no-switching is reduced, and the time for protection switching is reduced.

Description

technical field [0001] The invention relates to the communication field, in particular to a protection switching method and system. Background technique [0002] At present, microwave communication technology has been available for more than half a century. This technology is a wireless communication method for information transmission through ground line-of-sight in the microwave frequency band. Microwave communication plays a pivotal role in the field of communication and is a fast means of communication. No matter in the mobile access network, or in the mobile metro network and core network, microwave equipment can be seen everywhere, especially in emergency communication, microwave is an irreplaceable means. Digital microwave communication, optical fiber, and satellite are called the three pillars of modern communication transmission. [0003] As a single microwave device, it must be able to work stably and reliably to support a stable and reliable microwave network. H...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/24H04B1/74H04B10/07
CPCH04B1/74
Inventor 任文杰
Owner ZTE CORP
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