技术及业务发展现状分析

目前．随着宽带互联网向家庭用户提供视频点播．电视节目．可视电话．网络游戏．多媒体信息等流媒体类业务的迅猛增长，IPTV业务也随之成为宽带多媒体领域中大家关注的热点。由于开展IPTV业务对承载网的要求有别于普通上网业务。因此．运营商需要针对IPTV业务对既有传输网络尤其是承载接入进行必要的改造．以达到大带宽、高速率、可管理、可控制、具备交互性和安全性的要求。编按]

IPTV Analysis of the Status Quo of IPTV Technological and Service Development

With the rapid growth of streaming media services such as VOD, TV programs, videophone, web games and multimedia information broadband Internnt provides to home subscribers, IPTV service becomes a hotspot in the broadband multimedia field. As the requirement of IPTV service for the bearer network differs from ordinary goonline service, operators need to make necessary transformation of the existing transmission networks, especially bearer access to meet the requirements for large bandwidth, high rate, manageability, controllability, interaction and security.