[bittorrent] Piece download strategy
neonile at gmail.com
Thu Apr 23 07:07:52 EDT 2009
I recall there have been some papers discussing this as part of a bigger
system (usually having to do with video streaming), but I don't remember
the titles off the top of my head. You can look for them at P2P
conferences, such as IPTPS.
Rayson Ho wrote:
> (I've read the FAQ, and watched Bram's talk online )
> I know that the download strategy used by BT is usually rarest first.
> However, this means that there usually are many "holes" in a file when
> It's not a problem if the torrent is well seeded. However if the
> availability of seeds is not stable, or if there is only 1 seed, then
> I think using the sequential order can give the user quite a lot of
> benefits -- if it is a music or movie file, then the user can at least
> view the beginning of it, and if it is a source tarball, then at least
> some part of the directory can be extracted...
> Any one has worked on this before?? I am not replacing the rarest
> first strategy, but if the availability is same, then I want to bias
> towards sequential order (or even biggest consecutive piece first --
> try to construction a bigger piece).
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