Re: Linux still surfs slower than Windows

From: Chris Carlen (crcarle_at_BOGUS.sandia.gov)
Date: 02/21/05 

Date: Mon, 21 Feb 2005 09:40:19 -0800

ray wrote:
> On Sun, 20 Feb 2005 17:15:22 -0800, Chris Carlen wrote:
>
>
>>Bill Marcum wrote:
>>
>>>On Fri, 18 Feb 2005 19:40:08 -0800, Chris Carlen
>>> <crobc@BOGUSFIELD.sbcglobal.net> wrote:
>>>
>>>
>>>>Any further suggestions how to improve things would be appreciated.
>>>>
>>>
>>>Increase the size of the browser cache?
>>
>>
>>No. That wouldn't explain why the Linux browser chokes on any given
>>page when the cache is cleared, while the Win2k browser flies when the
>>cache is also cleared.
>>
>>I am convinced there is a DNS lookup problem, where the SBC servers
>>don't work smoothly with Linux requests. The technical details of why
>>this could be so are beyond my knowledge. I would welcome anyone who
>>could explain this, as it would seem incredibly important if such a
>>discrepancy is possible, for the community to have collective awareness
>>of it and how to affect workarounds.
>>
>>
>>I have optimized my surfing speed experience through other workarounds,
>>but none of which resolve the fundamental problem, which persists if I
>>leave the browsers in their default configurations, and both OSes wset
>>up with the same DNS configurations.
>>
>>I still wish I could resolve this fundamental problem.
>>
>>
>>
>>Good day!
>
>
>
> I've been following this issue for some time, and it appears that certain
> DNS servers do not catch the first or second request from Linux computers
> although it seems they do work properly with MS requests. I have not
> confirmed, but I guess there is some small imcompatibility with the DNS
> requests. I would bet the servers at fault are running MS and not strictly
> following standards.

Thanks for the input.

This sort of thinking, proposing meaningful hypotheses, is what I am
hoping to elicit here. As I madee clear in my OP, the systems being
compared are configured very much the same, and it appears you have
thoroughly read my OP and so avoided proposing the obvious fixes that
I've already tried.

Thus, observed differences must be caused by some real inconsistencies
between the way the OSes handle network requests, and thus how servers
respond to them.

At this point, I would want to take a theory such as yours, and perform
experiments to try to verify if it is the right explanation. Once the
real problem is found we can try to find a workaround.

I am hoping some networking experts can propose actions to take to
perhaps actually *measure* the DNS resolution times, or perhaps using
tcpdump or other tools, see if there are differences between the way the
two OSes are doing things.

Good day! 

-- 
_______________________________________________________________________
Christopher R. Carlen
Principal Laser/Optical Technologist
Sandia National Laboratories CA USA
crcarle@sandia.gov -- NOTE: Remove "BOGUS" from email address to reply.

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