摘自http://wiki.theory.org/BitTorrentSpecification,标题为Bittorrent Protocol Specification v1.0。它比http://www.bitconjurer.org/BitTorrent/protocol.html介绍的详细多了。

Bittorrent Protocol Specification v1.0

Identification

BitTorrent is a peer-to-peer file sharing protocol designed by Bram Cohen. Visit his pages at http://www.bitconjurer.org