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SubjectRe: [Question] Explanation of zero-copy networking
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
Unix Administrator Veritas Software
2315 McMullan Circle, Raleigh, North Carolina, USA 919 835 1540

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