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The IETF PPSP peer protocol reference implementation
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swift: the multiparty transport protocol (aka BitTorrent at the transport layer) Differently from TCP, the protocol does not use the ordered data stream abstraction. Effectively, it splits a file into 1KB packets and sends them around. The secret sauce is Merkle hash trees and binmaps. Requires libevent-2.0.17 or higher. see doc/index.html for marketing stuff, ideas and rants doc/draft-ietf-ppsp-grishchenko-swift.txt for protocol draft spec *.cpp for the actual code swift.cpp is the main exec file; may run as e.g. ./swift -t node300.das2.ewi.tudelft.nl:20000 -h \ d1502706c46779d361a1d562a10da0a45c4c40e5 -f \ trailer.ogg ...to retrieve video and save it to a file. Alternatively, you might play with the HTTP gateway, the preliminary version. First, run the seeder-tracker: $ ./swift -f ~/Downloads/big_buck_bunny_480p_stereo.ogg -l 0.0.0.0:20000 Root hash: 7c462ad1d980ba44ab4b819e29004eb0bf6e6d5f ...then you may try running the swift-HTTP gateway... $ ./swift -t 127.0.0.1:20000 -g 0.0.0.0:8080 -w ...and finally you may point your browser at the gateway... http://127.0.0.1:8080/7c462ad1d980ba44ab4b819e29004eb0bf6e6d5f If you use an HTML5 browser (Chrome preferred), you are likely to see the bunny trailer at this point...