Re: zero-copy TCP

From: Alan Cox (
Date: Sun Sep 03 2000 - 06:54:20 EST

> I just thought I'd mention that you can do zero copy TCP in and out
> *without* any page marking schemes. All you need is a network card with


> quite a lot of RAM and some intelligence. An Alteon could do it, with
> extra RAM or an impressively underloaded network.

PCI bus latency on reads kills you. Nice idea, but you need busses far better
than those hanging off conventional computers

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