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分布式多媒体会议系统的组成员通过组播方式进行消息发送,利用单播实现组播基本策略的关键是组召集,文章用网络模型分析其性能,提出了一种改进策略,从而减少组召集和会议阶段信息传输量。
Group members of distributed multimedia conference system send messages through multicasting. The key to realize the basic multicast strategy by unicast is group convening. The article analyzes the performance of the system by using network model, and proposes an improved strategy to reduce the number of group calls and Session information transfer volume.