在分析现有三个版本组成员管理IGMP的基础上，对多播路由器的组成员管理提出一种新的扩充策略。
According to three existing IGMPs, a new management policy of dynamic multicast group members was given which extended the multicast group management protocol on the multicast router.
当在需要分发不同类型数据的网络中安装任何交换器或路由器时，必须要支持多播。
When deploying any switch or router in a network that is going to distribute different types of data, you've got to support multicast.
提出一种新型路由器辅助的多播网络层析方法并用其估计网络性能的时空分布。
A new router-aided multicast network tomography method is proposed to estimate the spatial-temporal distribution of network performance.
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