From: Hagen Paul Pfeifer <hagen-GvnIQ6b/HdU@public.gmane.org>
To: Eric Dumazet <eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: bloat-devel
<bloat-devel-JXvr2/1DY2fm6VMwtOF2vx4hnT+Y9+D1@public.gmane.org>,
netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-wireless
<linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
bloat <bloat-JXvr2/1DY2fm6VMwtOF2vx4hnT+Y9+D1@public.gmane.org>
Subject: Re: Time in Queue, bufferbloat, and... our accidentally interplanetary network
Date: Wed, 07 Dec 2011 11:15:38 +0100 [thread overview]
Message-ID: <9dfc3c5eb811f2774b378fce0158b3e7@localhost> (raw)
In-Reply-To: <1323082774.2670.40.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
On Mon, 05 Dec 2011 11:59:34 +0100, Eric Dumazet wrote:
> Adding a time limit is possible, all we need is a proper design and
> implementation :)
>
> Here is my suggestion :
>
> Design a new tfifo/tred qdisc, with following properties :
>
> Adaptative RED, (ECN enabled + head drop), but instead of using
> bytes/packet qlen average, use time_in_queue average.
Question one: is anything wrong with sfb or choke as the basis, instead of
RED?
Question two: I submitted pfast_head_drop to drop more outdated data
instead of new data. Back in time I thought TCP _may_ experience benefits
because more up-to-date SACK data packets are saved. Are there any other
TCP advantages with head drop policy?
Hagen
next prev parent reply other threads:[~2011-12-07 10:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-05 9:05 Time in Queue, bufferbloat, and... our accidentally interplanetary network Dave Taht
2011-12-05 10:59 ` Eric Dumazet
2011-12-06 2:03 ` Adrian Chadd
[not found] ` <CAJ-VmomuA7u5=zRGMK2Jd3WG+HWTRTZNST4JDVWU9kUEcfE91Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-12-07 9:59 ` Dave Taht
2011-12-07 10:15 ` Hagen Paul Pfeifer [this message]
2011-12-07 10:19 ` Hagen Paul Pfeifer
2011-12-07 11:53 ` [Bloat] " Eric Dumazet
2011-12-08 16:06 ` [PATCH net-next] sch_red: Adaptative RED AQM Eric Dumazet
2011-12-08 17:21 ` Stephen Hemminger
2011-12-08 18:16 ` Eric Dumazet
2011-12-09 12:46 ` [PATCH net-next] sch_red: generalize accurate MAX_P support to RED/GRED/CHOKE Eric Dumazet
2011-12-09 18:46 ` David Miller
2011-12-09 0:55 ` [PATCH net-next] sch_red: Adaptative RED AQM David Miller
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