Zero-delay disaster recovery switching method and system of active standby source based on content distribution network

A content distribution network and switching system technology, which is applied in the field of disaster backup switching of the main and backup sources of the content distribution network, can solve problems such as inability to delete, achieve the effect of reducing load pressure and avoiding disaster backup

Inactive Publication Date: 2012-04-25
CHINANETCENT TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] (1) The client needs to provide the monitoring URL of the source station, and it should be ensured that it cannot be deleted

Method used

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  • Zero-delay disaster recovery switching method and system of active standby source based on content distribution network
  • Zero-delay disaster recovery switching method and system of active standby source based on content distribution network
  • Zero-delay disaster recovery switching method and system of active standby source based on content distribution network

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0037] An embodiment of a zero-delay primary and backup source disaster backup switching method based on a content distribution network

[0038] figure 2 It shows the flow of an embodiment of the zero-delay active-standby source disaster-backup switching method based on the content delivery network of the present invention. See figure 2 , the zero-delay primary and backup source disaster backup switching method in this embodiment includes the following steps.

[0039] Step S100: The edge node of the content distribution network returns the request to the source.

[0040] Step S101: The origin server of the node monitors and determines the origin server, and sends a request to the main origin server.

[0041] Step S102: Check whether the origin server is normal. If normal, respond to this request and return to step S100, and if abnormal, enter s...

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Abstract

The invention discloses a zero-delay disaster recovery switching method and system of an active standby source based on a content distribution network, and the method and system can be used for enabling the disaster recovery switching to satisfy the seamless switching and reducing the loading pressure of a source station. The technical scheme provided by the invention is as follows: the method comprises the following steps of: carrying out a feedback source request on edge nodes of the content distribution network; monitoring and judging a feedback source server by a node source station and sending a request to a source server; carrying out different operations based on the state of a main source server; if the main source server is normal, responding the request and continually monitoring a node source station server; and if the main source server is abnormal, finishing the response of the request by a standby source server and carrying out the disaster recovery switching.

Description

technical field [0001] The invention relates to a data disaster backup switching technology, in particular to a content distribution network (CDN) active and backup source disaster backup switching method and system. Background technique [0002] The basic idea of ​​the disaster backup switching technology based on the content distribution network is that when the main source connected to the CDN network is abnormal, the edge nodes of the CDN network should be able to detect the abnormality of the main source in time, and enable the connection of the backup source server. The standby source server replaces the main source server to respond to the request of the edge node of the CDN network; to minimize the impact of the abnormality of the main source. [0003] The current implementation scheme of disaster recovery switching is as follows: figure 1 As shown, in a nutshell: [0004] 1. The main source monitoring URL is provided by the customer. The monitoring URL is the main...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/08
Inventor 洪珂郭文强翁志真
Owner CHINANETCENT TECH
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