Re: [Question] Explanation of zero-copy networking

From: Francois Romieu (romieu@cogenit.fr)
Date: Mon May 07 2001 - 12:53:33 EST

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Richard B. Johnson <root@chaos.analogic.com> ecrit :
[...]
> when the hardware I/O is used. This shows that the network code, alone,
> cannot be improved very much to provide an improvement in throughput.

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.

-- 
Ueimor
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