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Date:      Mon, 31 May 1999 09:34:42 -0400 (EDT)
From:      David Gilbert <dgilbert@velocet.ca>
To:        Luigi Rizzo <luigi@labinfo.iet.unipi.it>
Cc:        bmah@CA.Sandia.GOV, dgilbert@velocet.ca, wollman@khavrinen.lcs.mit.edu, freebsd-net@FreeBSD.ORG
Subject:   Re: Linux and Solaris tcp beating FreeBSD 4:1
Message-ID:  <14162.36850.611680.632521@trooper.velocet.ca>
In-Reply-To: <199905310309.FAA18066@labinfo.iet.unipi.it>
References:  <199905310017.RAA14008@stennis.ca.sandia.gov> <199905310309.FAA18066@labinfo.iet.unipi.it>

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>>>>> "Luigi" == Luigi Rizzo <luigi@labinfo.iet.unipi.it> writes:

[trying to improve my packet-loss performance]

Luigi> The trivial way to implement this is by encapsulating pkts,
Luigi> with the disadvantage that in some cases one might hit against
Luigi> the MTU of the path. As an alternative one could periodically

One problem with the MTU-type solutions is that the other machine in
question is only 12ms away.

36 packets transmitted, 35 packets received, 2% packet loss
round-trip min/avg/max/stddev = 12.418/12.798/16.146/0.732 ms

... so there's not a lot of room for several packets to be in
transit.  I had a look at the code mentioned, but it's beyond me (at
least at my current amount of business) to modify that code.

Dave.

-- 
============================================================================
|David Gilbert, Velocet Communications.       | Two things can only be     |
|Mail:       dgilbert@velocet.net             |  equal if and only if they |
|http://www.velocet.net/~dgilbert             |   are precisely opposite.  |
=========================================================GLO================


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