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采用IP组播技术的群组通信将是包交换通信网络中非常重要的一类应用。文章首先描述了基于包交换网络群组通信的特点及要求。然后从基本要求、主要算法和研究进展等方面对群组通信的组播路由、拥塞控制和安全等关键技术进行了概述。最后指出了将来的工作方向。
Group communication using IP multicast technology will be a very important type of application in packet-switched communication networks. The article first describes the characteristics and requirements of packet exchange network group communication. Then, the key technologies of multicast routing, congestion control and security in group communication are summarized in terms of basic requirements, main algorithms and research progress. Finally pointed out the future direction of work.