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Host-slave protection method in single board communication and single board

A technology of communication unit and protection unit, which is applied in the field of communication system, can solve the problems such as the long time for the abnormality detection of the spare board, and achieve the effect of saving the use cost and improving the efficiency

Inactive Publication Date: 2011-08-10
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this protection method is that when the physical link between the main board and other boards is abnormal, it takes too long for the backup board to detect the abnormality. Protection can be achieved only when the application part performs active-standby switchover at the board level.

Method used

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  • Host-slave protection method in single board communication and single board
  • Host-slave protection method in single board communication and single board
  • Host-slave protection method in single board communication and single board

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0028] The structure of the board is mainly divided into physical layer, communication layer and application layer, among which:

[0029] The physical layer is the physical channel for the board to transmit data; the communication layer is mainly used to maintain the communication link of the board; the application layer is mainly used for the business operation of the board.

[0030] The main concept of the present invention is: the single board maintains its communication connection with the links between other single boards through the main communication unit and the backup communication unit, and when the link is abnormal, it switches from the main communication unit to the backup communication unit. unit, and the standby communication unit forwards the data communicated between the active communication unit and other boards.

[0031] In o...

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Abstract

The invention discloses a method and a singleboard for master-backup protection in singleboard communication. The method comprises the steps that: the singleboard maintains the communication connection of a link between the singleboard and other singleboards through a master communication unit and a backup communication unit; when the link is abnormal, the connection is switched from the master communication unit to the backup communication unit; and the backup communication unit transmits data of the communication between the master communication unit and other singleboards. With the application of the invention, the singleboard service application operation is not affected by the links of a communication layer, and the independent protection mode of the communication layer ensures that the singleboard can be normally operated without being switched, thereby improving the efficiency and saving use cost.

Description

technical field [0001] The invention relates to a communication system, and mainly relates to a main-standby protection method in single-board communication and a single board. Background technique [0002] The active / standby protection of the boards in the communication system is an important function to ensure the stability of the entire system operation. The method to realize the active / standby protection is generally to obtain the state of the other board through the hardware connection between the active and standby boards. After exchanging information between them, the standby board will switch over after detecting that the active board is working abnormally. The disadvantage of this protection method is that when the physical link between the main board and other boards is abnormal, it takes too long for the backup board to detect the abnormality. Protection can be achieved only when the active / standby switchover at the board level is performed on the application par...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/22H04L12/26H04L12/24
Inventor 邓华利
Owner ZTE CORP
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