The document summarizes requirements for a Peer-to-Peer Streaming Protocol (PPSP). PPSP aims to efficiently transmit real-time streaming data from multiple sources to peers. It requires supporting growing numbers of users, dynamically joining and leaving peers. PPSP signaling must carry chunk descriptions and negotiate their meaning, and support additional peer lists and peer status. Transmission requires limited startup delay and latency. Error handling and security mechanisms to prevent false information are also needed.

1. PPSP BAR BOF meeting 74th IETF – San Francisco, CA, USA March, 2009 P2P Streaming Protocol (PPSP) Requirements Ning Zong, Huawei Technologies Yunfei Zhang, China Mobile Communication Corporation Victor Pascual, Tekelec

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