From: Eric Dumazet <eric.dumazet@gmail.com>
To: Dave Taht <dave.taht@gmail.com>
Cc: codel@lists.bufferbloat.net, bloat@lists.bufferbloat.net
Subject: Re: [Codel] [Bloat] Exploring the potential of codel, fq_codel, and qfq
Date: Wed, 16 May 2012 09:46:57 +0200 [thread overview]
Message-ID: <1337154417.8512.1147.camel@edumazet-glaptop> (raw)
In-Reply-To: <CAA93jw5Yb+wSb0vCBrH6x+ED87z4qWi6t1OdZ6ws4KQhbOn25Q@mail.gmail.com>
On Wed, 2012-05-16 at 00:20 -0700, Dave Taht wrote:
> With ecn:
>
> 64 bytes from 149.20.63.18: icmp_req=46 ttl=64 time=10.6 ms
> 64 bytes from 149.20.63.18: icmp_req=47 ttl=64 time=5.66 ms
> 64 bytes from 149.20.63.18: icmp_req=48 ttl=64 time=11.8 ms
> 64 bytes from 149.20.63.18: icmp_req=49 ttl=64 time=3.68 ms
> 64 bytes from 149.20.63.18: icmp_req=50 ttl=64 time=10.2 ms
> 64 bytes from 149.20.63.18: icmp_req=51 ttl=64 time=12.8 ms
> 64 bytes from 149.20.63.18: icmp_req=52 ttl=64 time=2.62 ms
> 64 bytes from 149.20.63.18: icmp_req=53 ttl=64 time=7.86 ms
>
> TCP_RR: 102
>
> All of these sets of results need more rigor attached.
On TCP_RR pure workload, you have one packet in flight per flow.
ECN adds nothing in this case, only that no 'drops' occurs at all.
It might be good to change fq_codel to perform ECN mark only if flow
queue has more packets.
If not, plain drop.
next prev parent reply other threads:[~2012-05-16 7:47 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-09 1:04 [Codel] The challenge Dave Taht
2012-05-09 2:02 ` [Codel] [Bloat] " Kevin Gross
2012-05-09 3:13 ` [Codel] " Kathleen Nichols
2012-05-09 3:56 ` Dave Taht
2012-05-09 5:16 ` [Codel] [Bloat] " Simon Barber
2012-05-09 5:40 ` Eric Dumazet
2012-05-09 5:41 ` Dave Taht
2012-05-09 7:32 ` [Codel] [codel] some numbers on dual 10Gb links Eric Dumazet
2012-05-09 13:04 ` [Codel] [Bloat] The challenge Kevin Gross
2012-05-16 5:55 ` Jonathan Morton
2012-05-16 6:09 ` Eric Dumazet
2012-05-16 7:05 ` [Codel] Exploring the potential of codel, fq_codel, and qfq dave taht
2012-05-16 7:20 ` Dave Taht
2012-05-16 7:42 ` [Codel] [Bloat] " Eric Dumazet
2012-05-16 7:46 ` Eric Dumazet [this message]
2012-05-16 8:17 ` Eric Dumazet
2012-05-16 9:02 ` Jonathan Morton
2012-05-16 9:14 ` Eric Dumazet
2012-05-16 9:31 ` Jonathan Morton
2012-05-16 9:37 ` Eric Dumazet
2012-05-16 9:59 ` Jonathan Morton
2012-05-16 10:10 ` Eric Dumazet
2012-05-16 13:58 ` Eric Dumazet
2012-05-16 17:40 ` Rick Jones
2012-05-16 17:53 ` Eric Dumazet
2012-05-16 17:33 ` [Codel] " Rick Jones
2012-05-16 17:48 ` [Codel] [Bloat] " Eric Dumazet
2012-05-16 6:09 ` [Codel] [Bloat] The challenge Dave Taht
2012-05-16 6:31 ` Eric Dumazet
2012-05-16 8:15 ` Jonathan Morton
2012-05-09 19:10 ` Roger Jørgensen
2012-05-09 19:15 ` Dave Taht
2012-05-09 19:28 ` Dave Taht
2012-05-09 20:02 ` Simon Barber
2012-05-09 20:06 ` Fred Baker
2012-05-09 21:47 ` Jim Gettys
2012-05-09 23:58 ` Eric Dumazet
2012-05-10 2:34 ` Jonathan Morton
2012-05-10 2:37 ` Dave Taht
2012-05-10 6:35 ` David Woodhouse
2012-05-10 6:54 ` Jonathan Morton
2012-05-10 7:02 ` David Woodhouse
2012-05-10 14:25 ` Justin McCann
2012-05-10 14:42 ` David Woodhouse
2012-05-10 15:34 ` Neil Davies
2012-05-10 21:20 ` Jim Gettys
2012-05-14 7:27 ` Jonathan Morton
2012-05-14 7:34 ` Eric Dumazet
2012-05-14 13:55 ` David Woodhouse
2012-05-18 20:56 ` [Codel] [Bloat] Linux-able modems Jonathan Morton
2012-05-18 21:36 ` Dave Taht
2012-05-18 22:34 ` Dave Taht
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