3 ms·
why vaporized? also, why faster? does bittorrent duplicate some traffic?
by andrewcooke 14y ago
why vaporized?
also, why faster? does bittorrent duplicate some traffic?
- wmf 14y agoBitTorrent has overhead from control traffic (have messages etc.) that can theoretically be eliminated using rateless coding. The extra decoding makes it a wash IMO.
- evgen 14y agoFWIW, when building the second version of the core tech from which BT was of forked we did license the tornado codecs from digital fountain to try to get a better reliability rate and it ended up being worse than a wash; setting aside the additional complexity it adds to the system it completely screws with internal block verification based on hashes. The blocks are also not structured compared to other FEC codecs (e.g. Rizzo) so you lose any hope of streaming. Long sorry short, unless you are trying to get around nasty packet loss there are better encoding schemes for this sort of data distribution task.