Multipoint-to-multipoint communication is the exchange of information among three or more users. It is desirable that each user only needs to manage one output link and one input link as if in a point-to-point communication. The user will see the output link as a point-to-multipoint connection and the input link as a multipoint-to-point connection. The logical point-to-multipoint and multipoint-to-point connections are overlaid on the ATM network using the VCI mapping and VC merging techniques. The flow control mechanism is not only required to regulate the sending rate of individual sources, but also control the aggregated cell rates of all other users in the group not to exceed the predefined peak rate. A new feedback consolidation algorithm that meets the additional requirement is presented. The performance of the proposed method is studied via computer simulation. The results show that our method can overcome the drawbacks of the previous method by Ren et al. (see IEEE ATM'96 Workshop, 1995 and Computer Networks and ISDN Systems, vol.30, p.1793-1810, 1998).
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机译：多点对多点通信是三个或更多用户之间的信息交换。期望每个用户仅需要管理一个输出链路和一个输入链路，就好像在点对点通信中一样。用户会将输出链接视为点对多点连接，将输入链接视为多点对点连接。使用VCI映射和VC合并技术，将逻辑点对多点连接和多点对点连接覆盖在ATM网络上。不仅需要流量控制机制来调节各个源的发送速率，而且还需要控制组中所有其他用户的汇总信元速率不超过预定义的峰值速率。提出了一种满足附加要求的新反馈合并算法。通过计算机仿真研究了该方法的性能。结果表明，我们的方法可以克服Ren等人先前方法的缺点。 （参见IEEE ATM'96 Workshop，1995和Computer Networks and ISDN Systems，vol.30，p.1793-1810，1998）。
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