摘要
SIP协议(会话初始化协议)是由IETF提出的崭新的协议标准,类似于HTTP,SMTP,采用文本的消息格式,并继承了很多HTTP的性质,与现有的Internet协议结合比较紧密。文中简要介绍了SIP的基本特点,以及与目前应用范围最广、技术比较成熟的H.323协议进行了全面的比较,进一步分析了SIP扩展机制,以及在NGN中存在需要改进的地方,探讨了其在下一代网络中的应用优势。
SIP （session initiation protocol）is produced newly by IETF,similar to HTTP,SMTP protocol. It adopts text message format and holds some Interact characters,so has close relation with Internet protocol. This paper introduces the peculiarity of SIP briefly and compares it to the H. 323 which has advanced technique and vastly application,as well as analyzes the SIP extension mechanism and discusses its application advantage in next generation web.
出处
《计算机技术与发展》
2006年第6期71-73,共3页
Computer Technology and Development
