Re: [Question] Explanation of zero-copy networking

From: Blue Lang (blue@gator.net)
Date: Mon May 07 2001 - 13:00:50 EST

On Mon, 7 May 2001, Francois Romieu wrote:

> It shows that cached code performs well with ~0us latency device/memory.
>
> Networking is about latency and pps too. They both dramatically reduce
> the (axe-)evaluated bandwith.

I think his point is more along the lines of return on investment. You
can tweak linux to move from 9MB/sec to 9.5MB/sec on a 100Mb link, or you
can spend those same developer cycles getting much larger returns out of
much sexier hardware.

Now, who's gonna supply us with those NICs? ;) 

-- 
   Blue Lang                                    http://www.gator.net/~blue
   Unix Administrator                                     Veritas Software
   2315 McMullan Circle, Raleigh, North Carolina, USA         919 835 1540

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