netdev - Re: [PATCH] netconsole: implement ipv4 tos support

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Message-ID: <CAHo-Ooyz3pWfqABaPMthfxa-Hz9U3tW_qBrxP3YPx3wKWgqAqQ@mail.gmail.com>
Date:	Thu, 1 Dec 2011 01:07:54 -0800
From:	Maciej Żenczykowski <zenczykowski@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Stephen Hemminger <shemminger@...tta.com>, netdev@...r.kernel.org
Subject: Re: [PATCH] netconsole: implement ipv4 tos support

> Thats a shame, especially if ECN is screwed up.

The ECN bits will in general not be touched (or will even be correctly
updated as required for ECN to function).

However, standard ECN isn't actually particularly usable really anyway
(see Microsoft's DC TCP paper [I believe] for a better alternative).

(There are of course still places in the internet - ran into one at a
motel just recently - where ECN is just plain outright blackholed)
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