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首页> 外文期刊>International journal of communications, network, and system sciences >Verification of Session Initiation Protocol Using Timed Colored Petri Net
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Verification of Session Initiation Protocol Using Timed Colored Petri Net

机译:使用定时着色Petri网验证会话启动协议

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In this work, Session Initiation Protocol model is established by using Timed Colored Petri Nets (TCPN). SIP (Session Initiation Protocol) is a protocol developed to assist in providing advanced telephony services across the Internet. The Session Initiation Protocol (SIP) has become the quasi-standard for Voiceover-Internet Protocol (VoIP) communications. SIP is based on a client–server infrastructure in which user agents represent the end-terminals as clients, proxy servers handle SIP message routing between the user agents, and registrar servers store the client’s contact information into a location service. By use of timed color set and useful time attributes in tokens defined in CPN tools, timer and time-related problems of SIP are modeled and analyzed. Timer is an important part for SIP, especially the INVITE transaction.
机译:在这项工作中,通过使用定时彩色Petri网(TCPN)建立会话启动协议模型。 SIP(会话启动协议)是一种协议,旨在帮助在Internet上提供高级电话服务。会话发起协议(SIP)已成为Internet语音协议(VoIP)通信的准标准。 SIP基于客户端-服务器基础结构,其中用户代理代表客户端的终端,代理服务器处理用户代理之间的SIP消息路由,并且注册服务器将客户端的联系信息存储到位置服务中。通过使用CPN工具中定义的令牌中的定时颜色集和有用的时间属性,可以对SIP中与计时器和时间相关的问题进行建模和分析。计时器是SIP的重要组成部分,尤其是INVITE事务。

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