The primary distinction between them is that in a point-to-point network, queued messages travel from a point of origin to a single destination.

它们之间的主要区别是在点对点网络中，队列消息从原点到达一个目标点。

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After that, we pay our attention to the multicast network with dual-source, dual-destination and single-relay.

之后重点对双源双宿单中继的多播网络模型进行研究。

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