From: "Benjamin C.R. LaHaise" <blah@kvack.org>
To: "David S. Miller" <davem@redhat.com>
Cc: michael@linuxmagic.com,
Jan Rekorajski <baggins@sith.mimuw.edu.pl>,
Chris Wedgwood <cw@f00f.org>,
linux-kernel@vger.kernel.org, netdev@oss.sgi.com,
waltje@uWalt.NL.Mugnet.ORG
Subject: Re: [UPDATE] zerocopy.. While working on ip.h stuff
Date: Mon, 26 Feb 2001 18:47:33 -0500 (EST) [thread overview]
Message-ID: <Pine.LNX.3.96.1010226184514.9835E-100000@kanga.kvack.org> (raw)
In-Reply-To: <15002.58854.215318.882641@pizda.ninka.net>
On Mon, 26 Feb 2001, David S. Miller wrote:
> Not to my knowledge. Routers already change the time to live field,
> so I see no reason why they can't do smart things with special IP
> options either (besides efficiency concerns :-).
A number of ISPs patch the MSS value to 1492 due to the ridiculous number
of PMTU black holes out on the net. Since the ip header fits in the cache
of some CPUs (like the P4), this becoming a cheaper operation than ever
before.
-ben
next prev parent reply other threads:[~2001-02-26 23:52 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-02-23 6:59 [UPDATE] zerocopy BETA 3 David S. Miller
2001-02-23 10:42 ` Jan Rekorajski
2001-02-25 3:38 ` Chris Wedgwood
2001-02-25 3:54 ` Jan Rekorajski
2001-02-26 23:25 ` [UPDATE] zerocopy.. While working on ip.h stuff David S. Miller
2001-02-26 23:47 ` Benjamin C.R. LaHaise [this message]
2001-02-27 0:05 ` David S. Miller
2001-02-27 0:11 ` Benjamin C.R. LaHaise
2001-02-27 3:41 ` Michael Peddemors
2001-02-27 3:24 ` Michael Peddemors
2001-02-26 23:46 ` Michael Peddemors
2001-02-26 23:23 ` Andi Kleen
2001-02-26 5:28 ` [UPDATE] zerocopy BETA 3 David S. Miller
[not found] <2137.983232656@ISI.EDU>
2001-02-27 1:53 ` [UPDATE] zerocopy.. While working on ip.h stuff Michael Peddemors
2001-02-27 2:31 ` Craig Milo Rogers
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