Server and overload control method thereof

A server and server-side technology, applied in the field of network communication, can solve the problems of proxy server 2 request increase and proxy server 2 load, etc., to reduce the number of retransmissions, eliminate and prevent server overload, and shorten transaction timeout.

Active Publication Date: 2018-12-18
CHINANETCENT TECH
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  • Abstract
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Problems solved by technology

[0004] As the number of requests for Internet calls increases, the server in the SIP cluster system may be overloaded. When the SIP transaction uses an unreliable transport layer communication protocol, the continuous overload of the server may appear as follows: figure 2 The congestion situation shown: After the proxy server 1 sends the INVITE request message to the proxy server 2, due to the congestion of the proxy server 2, no response message is returned to the proxy server 1, which causes the proxy server 1 to continuously retransmit the current INVITE request message, which in turn causes the proxy server to The request volume of server 2 increases sharply, increasing the load of proxy server 2

Method used

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  • Server and overload control method thereof

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Embodiment Construction

[0052] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0053] The server overload control method provided by the embodiment of the present invention can be used to control the server load in the SIP network, and the SIP network usually includes multiple SIP cluster systems. image 3 Shown is the SIP network topology diagram, it should be noted that, image 3 Shown is only part of a SIP network. The SIP network includes a communication path, multiple user agents (User Agents, UAs), and multiple servers on the communication path. image 3 The UAs shown represent ...

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Abstract

The embodiment of the invention provides a server overload control method. The method comprises the following steps: a client calculates and stores time data of each historical transaction; The clientend calculates a timeout reference time length of the current transaction according to time data of each of the historical transactions in a preset period; The client end calculates the transaction timeout length of the current transaction according to the timeout reference length of the current transaction; The client controls the state of the current transaction according to the transaction timeout length of the current transaction. The invention also provides a server. The server and the overload control method thereof provided by the invention can solve the problem of overload of the server.

Description

technical field [0001] The invention relates to the technical field of network communication, in particular to a server and an overload control method thereof. Background technique [0002] In the process of establishing a session through the Session Initiation Protocol (Session Initiation Protocol, SIP), if there is no congestion at the server on the communication path, usually the SIP session establishment process is as follows: figure 1 As shown: the user agent client (User Agent Client, UAC) first sends the INVITE request message to the user agent server (User Agent Server, UAS), and the UAC sends the INVITE request message through the proxy server 1 and the proxy server 2 (hereinafter collectively referred to as the proxy server) The message is routed and forwarded to the UAS. After receiving the request message, the UAS replies with response codes of 100Trying, 180Ringing, and 200OK in turn, and sends them to the UAC through the proxy server. [0003] The UAC determin...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/801H04L29/08H04L29/06
CPCH04L47/12H04L65/1104H04L67/60
Inventor 庄伟胤
Owner CHINANETCENT TECH
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