IMS接入侧会话边界控制器的设计与实现  

Design and Implementation of Session Border Controller on IMS Access Side

作　　者：杨海波[1] 焦娇[1] 雷为民[2] 

机构地区：[1]中国科学院大学,北京100049 [2]东北大学信息工程学院,沈阳110004

出　　处：《小型微型计算机系统》2015年第11期2540-2544,共5页Journal of Chinese Computer Systems

基　　金：国家自然科学基金项目(61271350)资助;中央高校基本科研业务费专项资金项目(N110804004)资助

摘　　要：随着3G、4G的发展,IMS平台已经成为国内外主流运营提供多媒体通信的核心网,用户接入侧也向IMS接入和移动互联网转变,使得原本封闭的用户通信系统面向互联网和移动互联网开放,带来通信便利性的同时也带来了通信安全性的问题.本文提出了一种针对IMS用户接入侧的IP通信应用层防火墙即会话边界控制器设计实现方法,提出了采用信令和媒体分离的系统结构,并给出了拓扑隐藏、NAT穿越、代理注册等重点功能实现要点.最后通过实际组网测试表明本方法能有效隔离IM S接入侧通信系统保障IP通信的安全.With the development of 3G and 4G,IMS platform has become the core network of rich multimedia communication provided by the mainstream operating at home and abroad,User access side turn to IMS access and mobile Internet,also makes the originally closed user communication system open to Internet and mobile Internet,brings the convenience of communication but also brings the communication security problem. This paper proposes a kind of design method for IP communications application level firewalls of IMS access side namely enterprise session border controller,put forward the system structure of the separated signaling and media,and gives the main realized points of key functions such as the topology hiding,NAT crossing and agent registration. At last,through actual network test shows that this method can effectively isolate the enterprise communication system and ensure the safety of IP communications.

关 键 词：IMS 会话边界控制器 网络安全 VOIP 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]