IP组播技术在网络中的应用

随着Internet网络的发展，出现了视频点播、实时会议、远程教学、计算机协同工作等新业务．传统的点到点通信方式，不仅浪费大量的网络带宽，而且效率很低．一种有效利用现有带宽技术的组播技术，已成为互联网通信的重要组成部分．本文主要分析了IP多播技术的产生、概念、特点及技术指标，介绍了IP组播技术在城城网中的应用。

IP Multicast Technology in Network Application

Along with the development of Internet network, the new services have appeared, such as the video on demand,the real time eonfnere, the long- distance teaching, the computer joint operation and so on. Traditional point - to - point mailing address, not only wastes the massive network band width, moreover the efficiency is very low. One kind of effective use existing band width technology muhicast technology, has become the Internet correspondence the important constituent. This article mainly analyzes IP to broadcast technical much the production,the concept and the characteristic and the technical specification, finally introduced the IP multicast technology in the metropolitan area network application.