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Content-oriented load equalizing method and apparatus

A load balancing device and load balancing technology, applied in the field of telecommunications, can solve the problems of inability to achieve load balancing, increase the burden of DNS servers, etc., and achieve the effects of low cost, reduced server load, and improved accuracy

Inactive Publication Date: 2004-04-14
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0022] 2. The result of the DNS query itself can be cached by the user's browser, but after a period of time, the cached result may be inconsistent with the actual network situation, and still using this "outdated" cached result will not be able to achieve real load balancing
But set the result to "no cache", so that each request must be processed by the DNS server, which increases the burden on the DNS server

Method used

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  • Content-oriented load equalizing method and apparatus
  • Content-oriented load equalizing method and apparatus
  • Content-oriented load equalizing method and apparatus

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Embodiment Construction

[0043] Below according to accompanying drawing and embodiment the present invention will be described in further detail:

[0044] The English abbreviations in this note are as follows:

[0045] DNS: Domain Name Service / Server domain name server (device);

[0046] QoS: Quality of Service service quality;

[0047] URL: Uniformed Resource Locator Uniform Resource Locator;

[0048] IDC: Internet Data Center Internet Data Center;

[0049] HTTP: HyperText Transmation Protocol hypertext transfer protocol.

[0050] according to figure 2 , image 3 with Figure 4 , the present invention includes a balancing device that regularly acquires server information reported by each server and updates the relevant table items of the machine. Corresponding optimization calculation and selection module, this kind of load balancing device realizes communication with the server through a private protocol, this private protocol is based on the UDP protocol, and internally sets the datagram iden...

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Abstract

Based on user's request, looking up server content list, which holds all information of servers, is carried out. The servers containing requested content are obtained through search. Based on actual working condition, the servers possible to provide content are selected out. The optimal server is determined through dynamic optimization selection. The server content list reflects IP addresses of servers, as well as ID, name and route of content. The state table, which is updated and receives report from each server, of server reflects instant operating states of each server. The server possible to provide content is determined after eliminating servers with unhealthy content and high load. The invention provides the method for balancing loads in high efficiency and low cost.

Description

technical field [0001] The invention relates to electric communication technology, in particular to a content-oriented load balancing method and equipment. Background technique [0002] Before the content delivery network CDN appeared, the content was stored in a centralized manner on the network, and all requests from users were processed by the central server. When the network content existed in text, graphics and other formats, the processing capacity of the central server was not large. , the bandwidth occupation of the backbone network is not explosively increasing, and the impact of unstable network transmission on the transmission of these low-data-volume, low-QOS media is not yet obvious. [0003] The current network content is developing towards multimedia, and a large number of large A / V streaming media files appear. These files are characterized by large data volumes. Generally, each file is several hundred megabytes. In order to ensure browsing quality, the netwo...

Claims

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Application Information

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IPC IPC(8): G06F9/305G06F13/14
Inventor 杜朝晖朱浩颖
Owner HUAWEI TECH CO LTD
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