From: Rogier Wolff <R.E.Wolff@BitWizard.nl>
To: bert hubert <ahu@ds9a.nl>,
Latha B lingaiah <l_lingaiah@yahoo.com>,
linux-kernel@vger.kernel.org
Subject: Re: TCP DELAY
Date: Sat, 26 Oct 2002 12:52:30 +0200 [thread overview]
Message-ID: <20021026125230.E16359@bitwizard.nl> (raw)
In-Reply-To: <20021021065839.GA6108@outpost.ds9a.nl>
On Mon, Oct 21, 2002 at 08:58:39AM +0200, bert hubert wrote:
> On Sun, Oct 20, 2002 at 11:56:00PM -0700, Latha B lingaiah wrote:
> > Hi,
> >
> > While transfering a 42MB file, there seem to be a TCP
> > delay between the kernels 2.4.7 and 2.4.18.
>
> Don't do such short measurements, 4.5 seconds is no way to do statistics.
> TCP/IP does not start out at full speed but takes some time to find the
> right speed.
If all you do is repeatedly transfer small files of only 42Mb, the
difference of 18% between 3.7 and 4.4 seconds is quite measureable.
But you should measure the difference more than once, but I suspect
that this was indeed done.....
Roger.
--
** R.E.Wolff@BitWizard.nl ** http://www.BitWizard.nl/ ** +31-15-2600998 **
*-- BitWizard writes Linux device drivers for any device you may have! --*
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next prev parent reply other threads:[~2002-10-26 10:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-10-21 6:56 TCP DELAY Latha B lingaiah
2002-10-21 6:58 ` bert hubert
2002-10-26 10:52 ` Rogier Wolff [this message]
-- strict thread matches above, loose matches on Subject: below --
2002-06-11 17:34 TCP delay, SMTP errors Ramin Alidousti
2002-06-11 22:00 ` TCP delay Nathan Cassano
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