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Method and system for selecting source station by Cache server

A server selection and server technology, applied in transmission systems, digital transmission systems, electrical components, etc., can solve problems such as reduced communication efficiency and inability to communicate, and achieve the effects of guaranteed service quality, improved service quality, and reduced request time

Inactive Publication Date: 2011-09-21
CHINACACHE INT HLDG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above technical solutions resolve all the IP addresses corresponding to the domain name, and the Cache server establishes a connection and communicates with a source station corresponding to an IP address according to the order in which the IP addresses are resolved or at random, and cannot communicate with an IP address that meets a certain customized condition. The target source station communicates, so there will be the following defects: When the source station corresponding to the IP address randomly selected by the Cache server already has a large load, the source station will not respond to the request of the Cache server in a timely and fast manner, reducing communication efficiency

Method used

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  • Method and system for selecting source station by Cache server
  • Method and system for selecting source station by Cache server

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Embodiment Construction

[0025] The invention provides a method and a system for a Cache server to select a source site, enabling users' requests to be responded faster to improve communication efficiency.

[0026] The present invention provides a kind of method that Cache server selects source site, comprises the following steps:

[0027] Receiving an IP address query request sent by the Cache server, the query request at least including domain name information requested by the user, and parsing out the IP address corresponding to the domain name;

[0028] According to the storage record of the response source station and the corresponding response time, determine the response source station with a shorter response time; the storage record is: after sending the probe request to the source station corresponding to all IP addresses, the stored response source that returns the probe response Relevant records of the corresponding response time of the station and the response source station;

[0029] Tak...

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Abstract

The invention provides a method for selecting a source station by a Cache server. The method comprises the following steps of: receiving an IP address query request sent by the Cache server, and resolving an IP address corresponding to the domain name; determining a response source station with shorter response time according to the storage records of response source stations and corresponding response time; selecting the response source station with shorter response time as a preferable source station, and sending the IP address information corresponding to the preferable source station to the Cache server; and accessing the preferable source station by the Cache server. By regularly and circularly sending a detection request, storing the response source stations and the corresponding response time and performing intelligent selection in the stored response source stations, the high-quality source station is provided, the load conditions of the source stations can be balanced, the investment cost is reduced, and availability and reliability of a web site are improved.

Description

technical field [0001] The present invention relates to the field of Internet CDN (Content Delivery Network, content distribution network), in particular to a method and system for a Cache server to select a source site. Background technique [0002] When accessing a domain name in the Internet CDN (Content Delivery Network, Content Distribution Network) network, it is necessary to resolve the domain name and obtain the IP (Internet Protocol, Internet Protocol) address corresponding to the domain name. The so-called IP address is assigned to the Internet. A 32-bit address for each host, and a domain name corresponds to one or more IP addresses. The Cache server establishes a connection and communicates with the source site corresponding to the IP address obtained through analysis. [0003] When a domain name corresponds to multiple IP addresses, there are currently three technical solutions for determining the IP address of the domain name, which are: [0004] 1. When the ...

Claims

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Application Information

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IPC IPC(8): H04L29/12H04L12/56
Inventor 黄勇
Owner CHINACACHE INT HLDG
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