Re: TCP DELAY

Rogier Wolff (R.E.Wolff@BitWizard.nl)
Sat, 26 Oct 2002 12:52:30 +0200


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. ***************
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/