摘要
作为一项新兴的宽带增值业务,网络电视(IPTV)业务能以简单的方式为运营商带来宽带用户的大幅度增长。首先提出了IPTV对承载网络的要求,然后重点阐述了IPTV的两大传输模式与关键协议,最后介绍了目前IPTV承载网的几大主流宽带接入技术。
As a new broadband value-added service IPTV can bring the carriers plenty of broadband subscribers in a simple way. This paper presents the carrying network required by IPTV then illustrates two transmission and key protocols of IPTV and finally introduces several important broadband access technologies of IPTV carrying network.
出处
《现代电信科技》
2005年第5期58-62,共5页
Modern Science & Technology of Telecommunications
