[p2p-hackers] BT and localisation

[Serguei Osokine]

On Thursday, March 10, 2005 . wrote:
> ...am I any more likely to get data from other peers in the US
> than peers in, say, Japan or China?

	Yes. Since TCP sending rate is RTT-dependent and in BT you
have multiple concurrent TCP streams, you'll tend to send more
to the closest hosts and to receive more from them. So the peer
selection algorithms on both ends will make sure that these hosts
hosts are the preferred ones, since they will tend to give better
transfer rates.

	Best wishes -
	S.Osokine.
	10 Mar 2005.


-----Original Message-----
From: p2p-hackers-bounces at zgp.org [mailto:p2p-hackers-bounces at zgp.org]On
Behalf Of .
Sent: Thursday, March 10, 2005 3:17 AM
To: p2p-hackers at zgp.org
Subject: [p2p-hackers] BT and localisation


Is there any localisation in the peers connected to within a swarm...?
For instance, if I'm in the US and there are peers spread around the
world, am I any more likely to get data from other peers in the US
than peers in, say, Japan or China?

thanks.
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