Re: More performance for the TCP stack by using additionalhardware chip on NIC

[Arjan van de Ven]

On Sun, 2005-04-17 at 10:17 +0200, Andreas Hartmann wrote:
> Hello!
> 
> Alacritech developed a new chip for NIC's
> (http://www.alacritech.com/html/tech_review.html), which makes it possible
> to take away the TCP stack from the host CPU. Therefore, the host CPU has
> more performance for the applications according Alacritech.

there are very many good reasons why this for linux is not the right
solution, including the fact that the linux tcp/ip stack already is
quite fast so the "gains" achieved aren't that stellar as the gains you
get when comparing to windows.

Also these types of solution always add quite a bit of overhead to
connection setup/teardown making it actually a *loss* for the "many
short connections" types of workloads. Now guess which things certain
benchmarks use, and guess what real world servers do :)



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