Re: zero-copy TCP

From: Andi Kleen (
Date: Sun Sep 03 2000 - 05:31:05 EST

On Sun, Sep 03, 2000 at 05:22:44AM +0200, Jamie Lokier wrote:
> 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.

The big problem with that is that you end up with not having a single
stack, but N + 1 (N being the number of intelligent cards) stacks.
Mainteance nightmare.

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