[105351] in North American Network Operators' Group
Re: P2P agents for software distribution - saving the WAN from
daemon@ATHENA.MIT.EDU (Stephane Bortzmeyer)
Wed Jun 18 11:22:03 2008
Date: Wed, 18 Jun 2008 17:21:42 +0200
From: Stephane Bortzmeyer <bortzmeyer@nic.fr>
To: Joe Abley <jabley@ca.afilias.info>
In-Reply-To: <376FFC1C-478B-43DA-858D-22CBAE7AEC96@ca.afilias.info>
Cc: nanog@merit.edu
Errors-To: nanog-bounces@nanog.org
On Wed, Jun 18, 2008 at 10:52:38AM -0400,
Joe Abley <jabley@ca.afilias.info> wrote
a message of 41 lines which said:
> The behaviour I have observed with BitTorrent is that clients are
> handed a relatively short list of potential peers by the tracker,
> and it's quite common for sensible, close, local peers not to be
> included. My assumption has been that the set of potential peers
> passed to the client is assembled randomly.
I did not check seriously so I cannot confirm or deny but do note that
there are several proposals to improve "peer selection" behind random
sorting or crude measurements with ping on a few hosts. A summary of
existing work is on the ALTO Web site
<http://alto.tilab.com/resources.html>.
ALTO will have a BoF session at the next IETF in Dublin, so we may see
one day a standard protocol for peer selection.
