Server and overload control method thereof

An overload control and server technology, applied in the field of network communication, can solve the problems of increasing the request volume of the proxy server 2 and increasing the load of the proxy server 2, so as to reduce the number of retransmissions, eliminate and prevent the overload of the server, and shorten the transaction timeout period. Effect

Active Publication Date: 2022-07-15
CHINANETCENT TECH
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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

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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 with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall 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 a SIP network, and the SIP network usually includes multiple SIP trunking 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. A SIP network includes a communication path, multiple user agents (User Agent, UA), and multiple servers on the communication path. imag...

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Abstract

An embodiment of the present invention provides a method for controlling server overload. The method includes: the client calculates and stores time data of each historical transaction; the client, according to the time data of each historical transaction in a preset time period, Calculate the timeout reference duration of the current transaction; the client calculates the transaction timeout duration of the current transaction according to the timeout reference duration of the current transaction; the client controls the current transaction according to the transaction timeout duration of the current transaction. The status of the transaction. The present invention also provides a server. The server and the overload control method thereof provided by the present invention can solve the problem of server overload.

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 (SIP), if the server on the communication path is not congested, the SIP session establishment process is usually as follows: figure 1 As shown: the User Agent Client (UAC) first sends an INVITE request message to the User Agent Server (UAS), and the UAC sends the INVITE request 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 it to the UAC through the proxy server. [0003] The UAC determines the address information of the UAS based on the response message with the response ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L47/12H04L67/60H04L65/1104
CPCH04L47/12H04L65/1104H04L67/60
Inventor 庄伟胤
Owner CHINANETCENT TECH
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