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Method for transmission of SIP message

A technology of message transmission and response message, which is applied in the field of message transmission to achieve the effect of increasing system throughput and facilitating system expansion

Active Publication Date: 2009-08-19
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The technical problem to be solved by the present invention is mainly to solve problems such as load balancing of SIP messages, link switching, false link detection, etc.

Method used

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  • Method for transmission of SIP message
  • Method for transmission of SIP message
  • Method for transmission of SIP message

Examples

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Embodiment Construction

[0021] The following is attached figure 1 to attach Figure 4 , describe the implementation of the present invention in detail. In this example, the simulated application scenario is that a SIP entity sends a SIP message to a certain cluster system through a four-layer switch:

[0022] (1) The SIP entity establishes N links to the cluster system, and sends SIP messages uniformly on these N links;

[0023] (2) The four-layer switch transfers these N links to the N servers in the cluster system respectively under the link balancing mechanism, thus achieving the purpose of balancing the load of the SIP message;

[0024] (3) No. 2 server in the cluster system fails, and No. 2 link will be disconnected;

[0025] (4) After the SIP entity finds that the No. 2 link is disconnected, it immediately sets up a new replacement link 2' to the cluster system;

[0026] (5) Since No. 2 server is in a fault state, the four-layer switch transfers the 2' link to some other server in the cluste...

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Abstract

The invention relates to an SIP message transporting method, in particular to a method for realizing message transporting on the basis of TCP / TLS long connected SIP (Session Initialization Protocol), which comprises the following steps: firstly, an SIP entity sends an SIP message to a target cluster system and establishes a plurality of links; and secondly, the links go through the continuous cycle of valid period and retention period and realize dynamic load balance under the joint effect of the detection part of an application layer, thereby better solving the problems of load balance of the SIP message, link cut back, fake link detection, and the like, as well as increasing the throughput among the cluster systems and being characterized by being convenient for the capacity expansion of the system.

Description

technical field [0001] The invention relates to a method for message transmission in an IP communication network, in particular to a method for realizing SIP (Session Initialization Protocol, Session Initialization Protocol) message transmission based on TCP / TLS long connection. Background technique [0002] The SIP protocol belongs to the application layer protocol. It has relatively loose restrictions on which transport layer protocol is used between two SIP entities. It can be UDP, SCTP, TCP, TLS and other protocols. However, in some environments, congestion control and mature protocols are required. Safety and security have become important indicators to measure which transport layer protocol to use, especially for commercial large-scale cluster systems. These requirements are more prominent. Since link-based transport layer protocols (such as TCP, TLS, etc.) have incomparable advantages over other protocols such as UDP, TCP has superior congestion control and reliabilit...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/18
Inventor 贾新华
Owner ZTE CORP
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