Andreas Hartmann <[email protected]> said:
> 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.
>
> This sounds interesting.
This idea has been discussed around here a couple of times, and the
consensus is that it is a bad idea: IP (and upper protocol) processing
is not expensive, if done right, so this really doesn't buy much; this
forces a particular interface to networking into the kernel, loosing
flexibility that way is always bad; there is no access to futzing
around in between (for example, for firewalling and such); and if the
"hardware implementation" has bugs, you are screwed.
--
Dr. Horst H. von Brand User #22616 counter.li.org
Departamento de Informatica Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria +56 32 654239
Casilla 110-V, Valparaiso, Chile Fax: +56 32 797513
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