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From: "Jonathan Earle" <jearle@nortelnetworks.com>
To: "'Mathieu Chouquet-Stringer'" <mchouque@e-steel.com>,
        linux-kernel@vger.kernel.org
Subject: RE: [UPDATE] Zerocopy patches, against 2.4.1-pre10
Date: Wed, 24 Jan 2001 16:52:19 -0500
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> > What are "zerocopy patch set"s?
> 
> Basically, if you want to send something to the network, the 
> kernel has to
> copy your data to its memory space. It is an overhead and with these
> patches, the kernel doesn't has to do it. So it is faster. 
> Moreover, few
> ethernet cards are able to compute the ip checksum so linux 
> doesn't need
> anymore to do that.

Hmm.. so things like routing should be faster then?  What caveats should one
watch for (ie: what functionalities will not work as before - if any)?

Cheers!
Jon
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