[bittorrent] question on Tit for Tat

Harold Feit - Depthstrike.com administrator dwknight at depthstrike.com
Wed Jun 8 06:44:33 EDT 2005


 
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The likelyhood of a peer getting unchoked does increase if that peer
uploads more, and that peer is more likely to get upload as it
becomes available, but in top-heavy torrents (torrents with more
bandwidth supply than demand total) you'll see higher speeds on peers
that don't upload as much and peers that aren't reachable. Upload
rates don't need to be equal, but they should be proportional (under
ideal conditions).
 
The Tit for Tat enforcement is more visible on lower-bandwidth
torrents.

   _____  

From: bittorrent-bounces at lists.ibiblio.org
[mailto:bittorrent-bounces at lists.ibiblio.org] On Behalf Of Tom H. Lan
Sent: Wednesday, June 08, 2005 2:50 AM
To: bittorrent at lists.ibiblio.org
Subject: [bittorrent] question on Tit for Tat


Dear everyone,
 
I have got a qustion on Tit for Tat of BT. We know that peer will
unchoke other peers if they can provide it with the best downloading
rate. 
 
Then does it mean that the uploading rate of a peer to its neighbor
must be equal to the downloading rate it gets from its neighbor? It
seems that if they are not equal, one may be choked.
 
Regards,
 
Tom


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