http://www.rfc-editor.org/rfc/rfc6972.txt
RFC 6972: Problem Statement and Requirements of the Peer-to-Peer Streaming Protocol (PPSP), Y. Zhang, N. Zong2013-07-01T23:00:00-00:00Peer-to-Peer (P2P) streaming systems becoming more and more popular on the Internet, and most of them are using proprietary protocols. This document identifies problems associated with proprietary protocols; proposes the development of the Peer-to-Peer Streaming Protocol (PPSP), which includes the tracker and peer protocols; and discusses the scope, requirements, and use cases of PPSP.