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Research and implementation of fault-tolerant mechanism based on SIP call control

机译:基于SIP呼叫控制的容错机制的研究与实现

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Session Initiation Protocol has been a hot issue in implementation of VoIP systems as its simpleness, flexibility and high-scalability, but the unreliability of SIP communications has affected the QoS of SIP Session. In order to improve the reliability of SIP communications, a solution of SIP fault-tolerant mechanism was introduced in this paper. It contained two aspects, one was SUA (State Update Algorithm) which used for producing and sharing Session State Message in server, and the other one is LRSA (Listen Retransmission Switch Algorithm) which used for switching SIP request to one certain server. This paper also have validated and analyzed the SIP fault tolerant mechanism by experiment. According to the result of the experiment, it shows that fault-tolerant mechanism based on SIP can improve the reliability of SIP communications.
机译:会话发起协议以其简单性,灵活性和高可伸缩性成为VoIP系统实现中的热点问题,但是SIP通信的不可靠性影响了SIP会话的QoS。为了提高SIP通信的可靠性,本文提出了一种SIP容错机制的解决方案。它包含两个方面,一个是用于在服务器中生成和共享会话状态消息的SUA(状态更新算法),另一个是用于将SIP请求切换到一个特定服务器的LRSA(监听重发切换算法)。本文还通过实验对SIP的容错机制进行了验证和分析。实验结果表明,基于SIP的容错机制可以提高SIP通信的可靠性。

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