基于sip的穿越NAT设备的解决方案的研究  

Study of The Solution of Traversing NAT Based on SIP

作　　者：贺政[1] 龙昭华[1] 蒋贵全[1] 李云燕[1] 

机构地区：[1]重庆邮电大学计算机科学与技术学院,重庆400065

出　　处：《微计算机信息》2008年第3期126-127,82,共3页Control & Automation

基　　金：重庆市自然科学基金(CSTC;2006BB2371)

摘　　要：随着数据业务的迅猛发展,NGN已经成为研究的热点。而SIP协议作为NGN中的关键协议,受到了广泛的关注,由于SIP是一种新型协议,所以在应用方面存在着很多问题。其中,在不损害网络安全性的情况下,如何使SIP信令顺利的通过NAT设备,成为热点问题。本文首先对SIP协议以及NAT技术进行了简要的介绍,然后对SIP穿越NAT设备的问题进行了详细的探讨,最后对RSIP协议进行了深入的分析。With the rapid development of data service,NGN is becoming a hot topic of research being widespreaded attention.And as one of the key protocals of NGN,SIP is also attracted lots of attention,which has many problems in the facet of application,because of its new.In the situation of no damage to the security of network,how to make SIP singnalling get across the equipment of NAT is becoming more and more popular.In this paper,first of all,the SIP and NAT technology is briefly introduced.Then,an overview is giv...

关 键 词：网络地址转换 会话初始化协议 特定域因特网协议 应用层网关 

分 类 号：TP393.03[自动化与计算机技术—计算机应用技术]