多播路由模拟 演示如何利用NS-2来模拟多播路由，是一个组播数据包的寻路过程，其中涉及到的网络动态特性包括节点动态的加入和离开一个组。-Multicast routing simulation demonstrates how to use NS-2 to simulate a multicast routing, a multicast packet find its way process, involving the dynamic characteristics of the network, including node dynamic joining and leaving a group.