[bittorrent] UDP (was: New P2P protocols)
shiva at sewingwitch.com
Fri Mar 25 10:44:34 EST 2005
--On Friday, March 25, 2005 1:03 PM +0000 Jeff Burdges
<weasel at havoc.gtf.org> wrote:
> what is the source of the interest in UDP?
As I see it, BT already has an ack mechanism that duplicates that of TCP,
so the TCP confirmation isn't needed. If a client doesn't get the stuff it
expects (either by timeout or checksum failure), it asks again, possibly to
a different peer. Switching to UDP eliminates the duplication of effort,
and in the process removes the additional cost of setting up and taking
down a connection.
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