[bittorrent] IO bound

Adrian Ulrich torrent at blinkenlights.ch
Fri Apr 13 11:01:27 EDT 2007

> IO problems are exactly why the SuggestPiece message was introduced.

My POV is that you need to *enforce* a policy to solve disk-io problems.

SuggestPiece can never be used to enforce piece selection.

 - A client with full FastPeers support can simply ignore
   SuggestPiece and request a different piece

 - There are many clients out there without FastPeers support
   (uTorrent / Azureus). You'll need to serve such clients, otherwise
   you'll harm yourself.

I do not belive that SuggestPiece can solve IO problems in real-world.

Just my 5ç ;-)

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