Method, device and system for determining content distribution nodes

A technology for distributing nodes and determining methods, applied in the network field, can solve problems such as low processing efficiency, and achieve the effect of improving processing efficiency

Active Publication Date: 2012-08-15
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the prior art, since the website and the CDN system adopt a one-to-one fixed configuration, that is, the local DNS can only guide the user's access request to the CDN system corresponding to the website that the user requests to visit in this domain, and from the CDN Based on the user's geographical location information, the system selects the CDN cache server (also called content distribution node) closest to the user to provide services for the user, that is, to provide the user with the webpage content corresponding to the URL to be accessed. The content distribution node is only the corresponding CDN The content distribution node closest to the user in the system is not necessarily

Method used

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  • Method, device and system for determining content distribution nodes
  • Method, device and system for determining content distribution nodes
  • Method, device and system for determining content distribution nodes

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0062] Example one

[0063] The following takes the method for determining the distribution weight value of the content distribution node in the CDN system as an example for description. For ease of description, the method of determining the content distribution node in the CDN system by the distribution weight value Q(N) represents the evaluation parameter of the content distribution node, Q(P) represents the quality parameter of the content distribution node, and Q(L) represents Link parameters of the content distribution node. Among them, the evaluation parameters of the content distribution node may include: the load, bandwidth, processing capacity, and health status of the content distribution node; the quality parameters may include: the refresh frequency of the webpage requested by the user, etc., the refresh frequency of the webpage in different systems The settings are different; link parameters can include network connectivity, response speed, etc., and specifically ca...

Example Embodiment

[0077] Example two

[0078] In specific implementation, after the domain index server receives an access request submitted by a user in the domain through a web browser, if the domain index server stores the URL information of the web page and the content distribution node of the web page content stored in the domain index server itself In the correspondence between the node identification information, when each node identification information of the corresponding content distribution node is found, the content distribution node that provides services to the user is determined according to the following process. Specific, such as figure 2 As shown, a schematic diagram of the implementation process of determining the content distribution node for the service provided by the domain index server for the user includes the following steps:

[0079] S21. The domain index server receives an access request submitted by a user in the domain through a browser, and the access request carries...

Example Embodiment

[0083] Example three

[0084] In specific implementation, if the domain index server does not find the corresponding node identification information of the content distribution node in the correspondence between the URL information of the webpage stored by itself and the node identification information of each content distribution node storing the content of the webpage When identifying information, the obtained access request is sent to the global index server.

[0085] Specifically, the domain index server replaces the user identification information included in the access request with its own server identification information, and then sends it to the global index server.

[0086] In specific implementation, the method for determining the content distribution node further includes:

[0087] The domain index server receives the node identification information of the content distribution node sent by other domain index servers;

[0088] The node identification information of the recei...

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Abstract

The invention discloses a method, device and system for determining content distribution nodes, which are used for determining an optimal content distribution node for providing services for a user, wherein the method comprises the steps that: a domain index server obtains an access request of the user; according to website information of a webpage requested to be accessed by a user and carried in the access request, node identification information of each content distribution node corresponding to the website information is searched in a correspondence between the website information of the webpage and the node identification information of each content distribution node of a webpage content stored with the webpage; and the domain index server determines the content distribution node for providing the services for the user in the searched content distribution node corresponding to the node identification information.

Description

technical field [0001] The present invention relates to the field of network technology, in particular to a method, device and system for determining a content distribution node. Background technique [0002] The website guides the access request submitted by the user to a certain website through the public domain name system (DNS, Domain Name System) to the content distribution network (CDN, Content Delivery Network) system, and then selects the content distribution node closest to the user to provide the user with Webpage content, in order to realize the rapid distribution of webpages, and solve the problem of slow response speed of users visiting websites due to reasons such as small network bandwidth, large number of user visits, and uneven distribution of outlets. Among them, the structure between each public DNS is a tree structure, wherein each node in the tree structure represents a public DNS, and only the leaf nodes located in the tree structure can be called local...

Claims

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Application Information

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IPC IPC(8): H04L29/08
Inventor 迟晶曹峰张云飞
Owner CHINA MOBILE COMM GRP CO LTD
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