【摘要】 主要阐述有关IP组播技术的基本概念、组播树、路由协议等 ,探讨利用IP组播实现视频传输的条件、QoS、关键技术 ,并展望了该项技术的前景更多还原

【Abstract】 This paper mainly introduces some facts on IP multicast techniques, such as fundamental conception, core based tree, routing protocols. The paper also discussed the term, quality of services (QOS), key technology of the video transmission based on IP multicast technique. At the end, the future of the technique has been developed.更多还原