[NTLUG:Discuss] Internet connection speed tests - XP vs Linux

[./aal]

sorry if this is a dbl post. not sure if I used my reg'd address the
1st time ;^)

are the default MTU settings different btwn the OS's
maybe that is it

On 7/11/07, Daniel Hauck <daniel at yacg.com> wrote:
> Carl Haddick さんは書きました:
> > On Wed, Jul 11, 2007 at 11:08:11AM -0500, terry wrote:
> >> I've done a number of speed tests (testing Internet connection [bandwidth]),
> >> using 2 PCs; MS Windows XP system and a Linux system, (same speed test on
> >> each).  It appears that 4 out of 5 times, the Linux system usually gets
> >> faster speed test results.  I'm using the latest Firefox browser on both
> >> systems and going to the same bandwidth test site on each and running them
> >> one right after the other.
> >> (Both systems are fully updated - latest patches etc.)
> >> I did about 4 or 5 tests a few days ago and while I did not calculate the
> >> exact percentages, I did see fairly consistent faster speeds from the Linux
> >> system.
> >>
> >> This time, I calculated and Linux was faster on all but two tests;
> >> Here are results [percentages]:
> >> Test#                download (%)               upload(%)
> >>   1                       6    [faster]                   50[faster]
> >>   2                       32  [faster]                   55[faster]
> >>   3                       11 [slower]                   55 [faster]
> >>   4                       21 [faster]                    0  [about the same]
> >>   5                       15 [faster]                    62 [slower]
> >> Does anyone have any explanation for this?
> >> Has anyone else done speed test comparisons like these?
> >>
> >> Is it possible that Linux has a more efficient TCP stack?
> >>    Or....?
> >> _______________________________________________
> >> http://www.ntlug.org/mailman/listinfo/discuss
> >
> > The spread seems large, but I remember on previous versions of Windows I
> > could get better speed on a dialup connection by putting the modem on a
> > Linux box and routing through on ethernet to the Windows box.  I
> > attributed that to slow code in the serial port drivers.
> >
> > I don't have any metrics, but the difference was more like 5 to ten
> > percent faster.
> >
> > The setup where I found this difference was with an external modem on a
> > Windows box, dialed in to my access servers, versus the same modem on my
> > Linux box, dialed into the same access servers, and ip forwarding via
> > nat to the Windows box over a crossover ethernet cable.
> >
> > Not sure about that wide a spread, but I believe Linux has an edge.  (Ya
> > think??)
> >
> > Regards,
> >
> > Carl
>
> I don't pretend to know anything "in depth" but everything in *NIX is
> built on the idea of streams and network connections which, to me,
> explains the extensive use and reliance on the "localhost" address for
> so many things.  And since it seems the entirety of the OSes are built
> around networking and networking principles, it would make sense that
> networking means and measures have been optimized to maximum potential.
>   Microsoft, on the other hand, makes the code and fixes bugs.  I see no
> evidence of real intent to maximize performance for anything, let alone
> networking.
>
> _______________________________________________
> http://www.ntlug.org/mailman/listinfo/discuss
>


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