基于组播技术的IPTV承载网部署探讨

The Discussion of IPTV Bearer Network Deployment Based on Multicast Technology

本文在三网融合和IPTV发展的背景下,首先阐述了IPTV业务概念、IPTV业务对承载网的需求,分析了承载网与IPTV业务结构、单播和组播方式部署IPTV业务的差异,然后通过承载网三层和二层组播部署、组播RP和SR配置、组播控制三个方面的具体探讨,给出了在IPTV承载网上进行组播部署的要点方案。

Under the background of triple play and IPTV development, the article introduces IPTV concept and network requirement, and analysis the bearer network, IPTV business＇s architecture, and the difference between unicast and multicast. It gives the scheme of IPTV bearer network deployment, including layer-2 multicast and layer-3 multicast deployment, multicast RP and SR configuration, multicast control.