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Method, system and device for hot backup of multi-machine

A hot backup and device technology, applied in the field of network communication, can solve the problems of heavy burden on the main device and sacrifice of the performance of the main device

Active Publication Date: 2012-09-12
BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the master device is responsible for the synchronization of all data. When the number of slave devices is large or the amount of data requiring hot backup is large, the performance of the master device needs to be sacrificed to ensure the consistency of data on all devices. , the burden on the master device is heavy

Method used

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  • Method, system and device for hot backup of multi-machine

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Embodiment Construction

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] figure 1 It is a flowchart of a method for multi-machine hot backup provided by an embodiment of the present invention. Such as figure 1 As shown, the method of the present embodiment includes:

[0031] Step 100, determine a master device and a slave device from the N+1 devices that are mutually hot backup.

[0032] In this embodiment, ...

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Abstract

The invention provides a method, a system and a device for hot backup of a multi-machine, wherein the method comprises the steps as follows: a master device and a slave device are determined from N+1 devices for mutual hot backup; the master device and the slave device respectively build a backup virtual topology according to physical topology information among the N+1 devices; the master device is a top node of the backup virtual topology in the backup virtual topology; the master device is connected with the slave devices, of which the quantity is smaller than or equal to N-1 and which are used as downstream nodes of the master device; at least one slave device is connected with another slave device as the downstream node of the slave device; only an upstream node is arranged on each slave device, and the master device and the slave devices with the downstream nodes transmit synchronous data to the downstream node to carry out hot backup. According to the technical scheme provided by the invention, the burden of the master device is reduced by changing a conventional star backup structure regarding the master device as a core into a backup structure in a distributed mode.

Description

technical field [0001] The invention relates to network communication technology, in particular to a method, system and equipment for multi-computer hot backup. Background technique [0002] In a network, in order to improve service reliability, hot backup is generally performed on devices. The commonly used hot backup method is 1:1 hot backup, that is, one device acts as the master device to run services, and the other device acts as a slave device to back up services. When the master device fails, the slave device switches to the master device to provide uninterrupted service. [0003] In some networks, in order to further improve service reliability, it is required to perform hot backup in a 1:N manner, that is, one device acts as the master device to run services, and multiple devices act as slave devices to backup services. When the master device or any slave device fails, one of the normal slave devices is selected as the master device to provide uninterrupted servic...

Claims

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Application Information

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IPC IPC(8): H04L12/24H04L29/08
Inventor 刘熙
Owner BEIJING XINWANG RUIJIE NETWORK TECH CO LTD
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