From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH net-next] net_sched: red: split red_parms into parms and
 vars
Date: Fri, 06 Jan 2012 06:47:02 +0100
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Cc: David Miller <davem@davemloft.net>,
	netdev <netdev@vger.kernel.org>,
	Stephen Hemminger <shemminger@vyatta.com>
To: Dave Taht <dave.taht@gmail.com>
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Le jeudi 05 janvier 2012 =C3=A0 14:39 +0100, Eric Dumazet a =C3=A9crit =
:

> Problems of RED are :
>=20
> 1) the 'average' on highly variable trafic : It means nothing
> interesting at all.
>=20
> 2) the idle time management requires to specify the link bandwidth, a=
s a
> fixed value. This is a problem.

A third problem is that ECN marking is performed on the packet we add t=
o
the tail of the queue. It's very late...

I am currently testing my SFQRED and I try to add ECN in the first
packet in queue so that TCP can react faster.