In the protocol, a hierarchy is currently used to manage the peers in the system, and a multicast path, which adapts to the request of delay and bandwidth, is constructed for the data transfer of media streaming.

• 协议中利用分层拓扑结构来组织和管理应用层组播网络中的节点，在此基础上构建满足流媒体数据传输对延迟、带宽要求的组播路径。