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Content distribution method and device

A content and access content technology, applied in the field of communication, can solve the problem of access requests returning to the source again

Active Publication Date: 2019-09-27
CHINANETCENT TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The embodiment of the present invention provides a content distribution method and device to solve the problem of a large number of access requests returning to the source due to the change of the transit service cluster in the content distribution method in the prior art

Method used

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Embodiment Construction

[0084] In order to enable those skilled in the art to better understand the present invention, the technical terms mentioned in this application are explained first.

[0085] 1. Cache group identifier, which is the identifier information of the cache group, which can be but not limited to: the identifier of the cache control server used to control the cache group corresponding to the cache group one by one, for example, the virtual Internet of the cache control server Protocol address (Virtual Internet Protocol, VIP).

[0086] 2. The cache group of the application is a combination of multiple cache servers selected from the multiple cache groups contained in the transit service cluster and configured for the application to cache the relevant data of the application. Among them, one application corresponds to multiple caches Group.

[0087] 3. The latest cache group set of the application is a set of cache group identifiers of all cache groups corresponding to the application ...

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Abstract

The invention discloses a content distribution method and a content distribution device, which are applied to the technical field of communication and are used for solving the problem of a large number of back sources caused by change of a transit service cluster. Specifically, the method comprises the following steps: when a cache group of an application corresponding to an access request is changed, obtaining a latest cache group identifier and a historical cache group identifier, carrying the historical cache group identifier in the access request and sending the access request to the latest cache group corresponding to the latest cache group identifier; enabling the latest cache group to determine that the access content corresponding to the access request is not cached; sending the access request to the historical cache group corresponding to the historical cache group identifier, and obtaining the access content from the historical cache group, so that the two-time distribution of the access request is realized, the hit rate of obtaining the access content is improved, and the problem of a large amount of back sources due to the change of a transit service cluster is avoided.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a content distribution method and device. Background technique [0002] The Content Delivery Network (CDN) system is a new type of network content service system. Its basic idea is to avoid as much as possible the bottlenecks and links on the Internet that may affect the speed and stability of data transmission, so that the content transmission Faster and more stable. [0003] refer to figure 1 As shown, the CDN system mainly includes an application client, a client origin server, a Domain Name System (DomainName System, DNS) server, an edge service cluster, and a transit service cluster. Among them, the edge service cluster is constructed by multiple edge cache servers; the transit service cluster is a distributed cluster constructed by multiple cache groups. [0004] In practical applications, when a user initiates an access request through the application cli...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L29/12
CPCH04L61/4511H04L67/568
Inventor 张运涛
Owner CHINANETCENT TECH
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