The last point

来源: 于 2007-03-22 07:23:55 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

"but the name is most often used specifically for file sharing networks"

The Live P2P Video Streaming is just a short file sharing with 1 minute stream length. The content is copyright, same as file sharing.

Known peer? It doesn't have to.