Nearest Peer Download Request Policy in a Live Streaming P2P Network

摘要

The present invention relates to a method of and a device for, arranging peers in a P2P network comprising a streaming source and network peers arranged at distribution levels in the P2P network. The method comprises receiving a request from a peer entering the network to receive data content, and determining a distribution level in the P2P network at which the entering peer is to be arranged with respect to the streaming source. Further, the method comprises providing the entering peer with a plurality of peers selected from the network peers from which the requested data content can be downloaded with an expected probability depending on the determined distribution level, and further indicating the distribution level of each of the plurality of peers, wherein the entering peer is enabled to download, with the expected probability, the requested data content from a selected one of said plurality of peers being arranged at a distribution level closest to that determined for the entering peer.;The present invention further relates to a method of requesting data content in a P2P network and a peer device.

主权项

1. A method of arranging peers in a P2P network comprising a streaming source and network peers arranged at distribution levels in the P2P network, the method comprising:
receiving a request from a peer entering the network to receive data content; determining a distribution level in the P2P network at which the entering peer is to be arranged with respect to the streaming source; providing the entering peer with a plurality of peers selected from the network peers from which the requested data content can be downloaded with an expected probability depending on the determined distribution level, and further indicating the distribution level of each of the plurality of peers, wherein the entering peer is enabled to download, with the expected probability, the requested data content from a selected one of said plurality of peers being arranged at a distribution level closest to that determined for the entering peer.