IPTV用户在电信运营商的大力推动下快速增长，对带宽的要求也越来越高，运营商必须依附于现在的网络现状，对IPTV业务进行二层改造、资源规划，制定一系列业务开展规范，以满足业务及用户快速增长需求。山东联通IPTV业务规划通过组播协议开展直播业务，通过单播方式开展点播业务。对于不同的网络接入有着不同的开通模式，本文旨在提供城域网IPTV业务开通指导建议，详细描述不同网络结构的IPTV组播复制开通模式。%In the vigorously promoting of telecom operators, the number of IPTV users increase rapidly , and the demand for bandwidth is also growing. For satisfying the rapidly demand increasing of business and customer, relying on the current status of the network, operators must reform two layer of the IPTV business, plan the resource, and draft a series of business standard. Shandong Unicom IPTV plan to carry out live business through the multicast protocol and the VOD business through the unicast protocol. There is different open mode for different network access. Proposal will be provided for the IPTV business of MAN. The replication mode of the IPTV multicast for the different network structure will be described.
展开▼
