java语言开发的P2P流媒体系统，“Stream-2-Stream implements multicast+, a next generation streaming protocol. Multicast+ is more efficient and requires less bandwidth than direct streaming (e.g. shoutcast/icecast). Stream-2-Stream (abbreviated \"s2s\" or \"S2S\")

Building seesion Manager Unicast Trasnfereing media acrose RTP

多线程，组播，通过组播实现p2p中的资源发现，单播进行资源请求。-Multi-threaded, multicast, multicast to achieve through the p2p resource discovery, resource unicast requests.

It is a scr ipt generator for tcl,and can be applied in wireless or wired environment.But it can be used for only unicast.

利用udp socket编程 包括 单播和广播部分-Udp socket programming, including the use of unicast and broadcast some