kernel optimization for long distance download??

kernel optimization for long distance download??

Shachar Shemesh shachar at shemesh.biz
Fri Mar 5 23:47:35 IST 2010


Hetz Ben Hamo wrote:
> Hi people,
>
> I'm having an argument with a hosting company abroad. Their mirror 
> server gives me full speed download (600k on my 5Mbit ADSL) while my 
> server there gives me half.
> They say that they don't use any QoS tricks.
>
> I have talked to their support and I heard a weird claim: their mirror 
> server's kernel is "optimized for long distance download".
> I never heard of such a thing in my life with the Linux kernel of such 
> a thing..
Short answer - run a sniffer on both downloads.

Longer answer - there are some tricks you can do, some of them "legal", 
others violating the TCP/IP standard, in order to handle high latency 
links better. They might be referring to those.

Conclusion - run a sniffer :-)

Shachar

-- 
Shachar Shemesh
Lingnu Open Source Consulting Ltd.
http://www.lingnu.com

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