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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! --*
* The Worlds Ecosystem is a stable system. Stable systems may experience *
* excursions from the stable situation. We are currently in such an      * 
* excursion: The stable situation does not include humans. ***************

  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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