Subject: Re: Network data transfer speed (was: [fwd: NetBSD Live CD])
To: Ignatios Souvatzis <firstname.lastname@example.org>
From: Greg 'groggy' Lehey <grog@NetBSD.org>
Date: 01/30/2006 16:16:57
Content-Type: text/plain; charset=us-ascii
On Monday, 30 January 2006 at 6:40:55 +0100, Ignatios Souvatzis wrote:
> On Mon, Jan 30, 2006 at 12:58:41PM +1030, Greg 'groggy' Lehey wrote:
>> It looks like Linux is set to move ahead. Last week, at the
>> Linux.conf.au in Dunedin, New Zealand, Van Jacobson presented a
>> Basically, his idea amounts to a complete redesign of the network
>> stack architecture, moving most of the code into userland and
>> eliminating the two-stage transfer to the user. He showed results
>> that used only 20% as much processor time and ran twice as fast
>> (limited by the wire, not the software). Very impressive.
>> I asked him if he would be prepared to supply details to the BSD
>> projects, and yes, he is. I'd suggest that this is a "must examine"
>> thing, and I'll post more as soon as it's available.
> This sounds a bit like a paper related to 4.4BSD about a redesign of the
> network stack. (Which, obviously, belongs to the design, not the
> implementation part...
Are you referring to a specific paper? Van's slides were very clearly
aimed at the Linux 2.6 kernel. It's very possible that they're based
on something older, of course.
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