From: Jamie Lokier <lk@tantalophile.demon.co.uk>
To: "David S. Miller" <davem@redhat.com>
Cc: Lars Marowsky-Bree <lmb@suse.de>,
James Sutherland <jas88@cam.ac.uk>,
Matti Aarnio <matti.aarnio@zmailer.org>,
"H. Peter Anvin" <hpa@zytor.com>,
linux-kernel@vger.kernel.org
Subject: Re: hotmail not dealing with ECN
Date: Fri, 26 Jan 2001 16:24:27 +0100 [thread overview]
Message-ID: <20010126162427.D7096@pcep-jamie.cern.ch> (raw)
In-Reply-To: <20010126124426.O2360@marowsky-bree.de> <Pine.SOL.4.21.0101261344120.11126-100000@red.csi.cam.ac.uk> <20010126154447.L3849@marowsky-bree.de> <20010126160342.B7096@pcep-jamie.cern.ch> <14961.37986.469902.496834@pizda.ninka.net>
In-Reply-To: <14961.37986.469902.496834@pizda.ninka.net>; from davem@redhat.com on Fri, Jan 26, 2001 at 07:14:42AM -0800
David S. Miller wrote:
> > Does ECN provide perceived benefits to the node using it?
>
> Yes, endpoints and intermediate routers can tell the TCP sender about
> congestion instead of TCP having to guess about it based upon observed
> packet drop.
>
> It is a major enhancement to performance over any WAN.
>
> The endpoint based congestion notification happens _now_ if both
> sides speak ECN. The router based notification will be happening
> in the near future as Cisco and others deploy ECN speaking versions of
> their router software.
So there is no need to force everyone to upgrade to ECN right away.
They will eventually do so for the performance increase.
Presumably ISPs also benefit from ECN because they need less bandwidth
for the same traffic -- fix your firewall and SAVE MONEY on pipes!!!
-- Jamie
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next prev parent reply other threads:[~2001-01-26 15:25 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-01-25 5:43 Jeremy Hansen
2001-01-25 7:37 ` Juri Haberland
2001-01-25 9:06 ` David S. Miller
2001-01-25 23:31 ` H. Peter Anvin
2001-01-26 1:12 ` Lincoln Dale
2001-01-26 1:30 ` David S. Miller
2001-01-26 1:38 ` H. Peter Anvin
2001-01-26 1:43 ` David S. Miller
2001-01-26 1:49 ` H. Peter Anvin
2001-01-27 10:00 ` Rogier Wolff
2001-01-31 10:46 ` Alan Cox
2001-01-26 2:10 ` David S. Miller
2001-01-26 2:15 ` H. Peter Anvin
2001-01-26 8:54 ` Helge Hafting
2001-01-26 18:04 ` Rick Jones
2001-01-27 7:11 ` Rusty Russell
2001-01-31 10:56 ` Alan Cox
2001-01-27 4:10 ` David Wagner
2001-01-27 4:59 ` Brian May
2001-01-27 18:18 ` Frank v Waveren
2001-01-27 19:20 ` Gregory Maxwell
2001-01-27 19:22 ` Frank v Waveren
2001-01-27 19:58 ` Jamie Lokier
2001-01-27 20:14 ` Gregory Maxwell
2001-01-27 22:18 ` David Schwartz
2001-01-27 23:09 ` James Sutherland
2001-01-28 0:11 ` Gregory Maxwell
2001-01-28 1:10 ` Dominik Kubla
2001-01-28 4:35 ` [OT] " Gregory Maxwell
2001-01-28 12:57 ` Dominik Kubla
2001-01-28 15:45 ` Michael H. Warfield
2001-01-28 19:30 ` Gregory Maxwell
2001-01-28 22:16 ` Dominik Kubla
2001-01-28 8:48 ` James Sutherland
2001-01-28 0:06 ` Gregory Maxwell
2001-01-28 3:27 ` David Schwartz
2001-01-28 0:58 ` David Lang
2001-01-26 2:24 ` Johannes Erdfelt
2001-01-26 3:03 ` Brian May
2001-01-26 5:06 ` Jeremy M. Dolan
2001-01-26 14:04 ` Florian Weimer
2001-01-26 10:37 ` Matti Aarnio
2001-01-26 11:32 ` David S. Miller
2001-01-26 11:40 ` James Sutherland
2001-01-26 11:44 ` Lars Marowsky-Bree
2001-01-26 13:44 ` James Sutherland
2001-01-26 14:44 ` Lars Marowsky-Bree
2001-01-26 15:03 ` Jamie Lokier
2001-01-26 15:16 ` Dominik Kubla
2001-01-26 15:27 ` Jamie Lokier
2001-01-26 22:26 ` Dominik Kubla
2001-01-26 22:30 ` H. Peter Anvin
2001-01-26 15:35 ` Marian Jancar
2001-01-26 16:28 ` H. Peter Anvin
2001-01-28 1:59 ` Dax Kelson
2001-01-28 16:51 ` Jamie Lokier
2001-01-26 15:14 ` David S. Miller
2001-01-26 15:24 ` Jamie Lokier [this message]
2001-01-26 17:05 ` ECN Simon Kirby
2001-01-26 18:12 ` ECN Andrea Arcangeli
2001-01-26 23:47 ` ECN -? Anything _I_ need to do to allow it? List User
2001-01-27 9:58 ` Matti Aarnio
2001-01-27 0:15 ` hotmail not dealing with ECN Thunder from the hill
2001-01-26 11:50 ` David S. Miller
2001-01-26 13:52 ` James Sutherland
2001-01-26 14:11 ` Jamie Lokier
2001-01-26 18:19 ` Olaf Titz
2001-01-26 13:54 ` David S. Miller
2001-01-26 14:12 ` Jamie Lokier
2001-01-26 15:08 ` James Sutherland
2001-01-26 15:13 ` Lars Marowsky-Bree
2001-01-26 15:29 ` James Sutherland
2001-01-26 15:55 ` Chris Ricker
2001-01-26 18:37 ` Henning P. Schmiedehausen
2001-01-26 19:17 ` Matti Aarnio
2001-01-26 19:55 ` Jeremy M. Dolan
2001-01-26 15:34 ` Jamie Lokier
2001-01-26 17:37 ` Drago Goricanec
2001-01-26 14:10 ` Jamie Lokier
2001-01-26 14:39 ` David S. Miller
2001-01-26 14:46 ` Lars Marowsky-Bree
2001-01-26 14:50 ` David S. Miller
2001-01-26 14:57 ` Jamie Lokier
2001-01-27 0:18 ` Thunder from the hill
2001-01-25 17:26 Bernd Eckenfels
2001-01-26 7:53 Bernd Eckenfels
2001-01-26 16:04 Randal, Phil
2001-01-26 16:37 ` Lars Marowsky-Bree
2001-01-26 17:18 ` Tony Hoyle
2001-01-26 18:42 ` Henning P. Schmiedehausen
2001-01-31 16:45 ` Alan Cox
2001-01-26 17:28 ` Miquel van Smoorenburg
2001-01-26 21:21 ` David Ford
2001-01-29 9:42 ` Helge Hafting
2001-01-26 17:14 James Sutherland
2001-01-26 23:25 ` Daniel Chemko
2001-01-26 19:43 ` Chris Meadors
2001-01-29 14:57 ` Thunder from the hill
2001-01-26 17:53 Adam J. Richter
2001-01-26 17:57 ` H. Peter Anvin
2001-01-26 18:15 ` Alan Shutko
2001-01-26 18:32 ` Graham Murray
[not found] <980523239.30846@whiskey.enposte.net>
2001-01-26 21:52 ` Stuart Lynne
2001-01-26 21:59 ` Michael H. Warfield
2001-01-27 9:48 ` Matti Aarnio
2001-01-27 18:55 Bernd Eckenfels
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