与IP组播相比，覆盖组播通常会消耗更多的底层网络资源。
Compared with IP multicast, overlay multicast usually consumes more underlying network resources.
按照变迁-存根拓扑模型创建网络拓扑，网络节点1200个，代理覆盖中设置16个代理，组播组中最多1024个客户端。
The network topology is created following the Transit-Stub model, consisting of nearly 1200 network nodes, with 16 proxies in the proxy overlay and up to 1024 clients in the multicast groups.
提出了覆盖网络组播的链路压力均衡模型和组播树特征伸长度模型，用以评价覆盖网络组播协议的性能。
It is presented the stress equilibrium model and the stretch eigen-value model for evaluating the performance of overlay network multicast protocols.
应用推荐