From: "Rodney W. Grimes" <4bone@gndrsh.dnsmgr.net>
To: Loganaden Velvindron <loganaden@gmail.com>
Cc: Mikael Abrahamsson <swmike@swm.pp.se>,
"ecn-sane@lists.bufferbloat.net" <ecn-sane@lists.bufferbloat.net>,
bloat <bloat@lists.bufferbloat.net>
Subject: Re: [Ecn-sane] [Bloat] [iccrg] Fwd: [tcpPrague] Implementation and experimentation of TCP Prague/L4S hackaton at IETF104
Date: Sun, 17 Mar 2019 12:38:15 -0700 (PDT) [thread overview]
Message-ID: <201903171938.x2HJcFuG041457@gndrsh.dnsmgr.net> (raw)
In-Reply-To: <CAOp4FwQQyuuoQdgOAo142VTN5-XSpjVt86mxSStPEqc+t8QLFA@mail.gmail.com>
> On Sun, Mar 17, 2019 at 6:06 PM Mikael Abrahamsson <swmike@swm.pp.se> wrote:
> >
> > On Sat, 16 Mar 2019, Holland, Jake wrote:
> >
> > > Granted, it still remains to be seen whether SCE in practice can match
> > > the results of L4S, and L4S was here first. But it seems to me L4S comes
> > > with some problems that have not yet been examined, and that are nicely
> > > dodged by a SCE-based approach.
> >
> > I'm actually not that interested in an academic competition about what
> > solution gives the ultimate "best" outcome in simulation or in a lab.
> >
> > I am interested in good enough solutions that are actually deployable and
> > will get deployed, and doesn't have any pathological behaviour when it
> > comes to legacy traffic.
> >
> > Right now the Internet is full of deep FIFOs and they're not going away,
> > and they're not getting FQ_CODEL or CAKE.
> >
> > CAKE/FQ_CODEL is nice, but it's not being deployed at the typical
> > congestion points we have in real life. These devices would have a much
> > easier time getting PIE or even RED, if it was just implemented.
> >
>
> is there an open source implementation of PIE which is close to what
> is used by the DOCSIS modems ?
I do not know if it is close to the DOCSIS modems,
but FreeBSD has PIE implemented
/usr/src/sys/netpfil/ipfw/dn_aqm_pie.c
/usr/src/sys/netpfil/ipfw/dn_aqm_pie.h
/usr/src/sys/netpfil/ipfw/dn_sched_fq_pie.c
> > Mikael Abrahamsson email: swmike@swm.pp.se
--
Rod Grimes rgrimes@freebsd.org
next prev parent reply other threads:[~2019-03-17 19:38 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <AM0PR07MB48198660539171737E4CCAB1E0730@AM0PR07MB4819.eurprd07.prod.outlook.com>
[not found] ` <d91a6a71-5898-9571-2a02-0d9d83839615@bobbriscoe.net>
2019-03-15 10:46 ` [Ecn-sane] " Dave Taht
[not found] ` <1E80578D-A589-4CA0-9015-B03B63042355@gmx.de>
2019-03-15 14:06 ` [Ecn-sane] [Bloat] " Dave Taht
2019-03-15 15:52 ` Sebastian Moeller
2019-03-15 17:01 ` David P. Reed
2019-03-15 17:45 ` Sebastian Moeller
2019-03-15 18:36 ` Mikael Abrahamsson
2019-03-15 19:23 ` Sebastian Moeller
2019-03-15 19:32 ` Jonathan Morton
2019-03-15 19:44 ` David P. Reed
2019-03-15 20:13 ` Jonathan Morton
2019-03-15 23:43 ` David P. Reed
2019-03-16 1:26 ` Jonathan Morton
2019-03-16 7:38 ` Sebastian Moeller
2019-03-16 18:56 ` Michael Richardson
2019-03-15 20:28 ` Jonathan Foulkes
2019-03-15 20:31 ` Dave Taht
2019-03-15 23:45 ` David P. Reed
2019-03-16 9:42 ` Michael Welzl
2019-03-16 10:08 ` Sebastian Moeller
2019-03-16 10:23 ` Nils Andreas Svee
2019-03-16 14:55 ` Jonathan Foulkes
2019-03-16 21:38 ` Holland, Jake
2019-03-16 21:57 ` Vint Cerf
2019-03-16 22:03 ` Dave Taht
2019-03-16 22:05 ` Holland, Jake
2019-03-17 18:07 ` David P. Reed
2019-03-17 18:05 ` Vint Cerf
2019-03-19 4:44 ` Greg White
2019-03-19 5:35 ` Jonathan Morton
2019-03-19 5:52 ` Greg White
2019-03-19 7:10 ` Jonathan Morton
2019-03-19 8:07 ` Sebastian Moeller
2019-03-19 8:50 ` Sebastian Moeller
2019-03-19 23:59 ` Dave Taht
2019-03-20 10:17 ` Sebastian Moeller
[not found] ` <5458c216-07b9-5b06-a381-326de49b53e0@bobbriscoe.net>
[not found] ` <AC14ACBB-A7CC-40E0-882C-2519D05ADC05@akamai.com>
[not found] ` <5C9296E1.4010703@erg.abdn.ac.uk>
[not found] ` <F62C4839-0489-475F-AD8F-58913EEEEC0F@gmail.com>
[not found] ` <FDA48F4C-415B-4B8E-9CC7-2AAAD4DC3BE8@cablelabs.com>
2019-03-20 22:12 ` [Ecn-sane] [Bloat] [tsvwg] " Sebastian Moeller
2019-03-20 22:31 ` Jonathan Morton
2019-03-20 22:56 ` Sebastian Moeller
2019-03-20 23:03 ` Jonathan Morton
2019-03-20 23:11 ` Holland, Jake
2019-03-20 23:28 ` Jonathan Morton
2019-03-21 8:15 ` Mikael Abrahamsson
2019-03-21 8:31 ` Mikael Abrahamsson
2019-03-20 23:30 ` Sebastian Moeller
2019-03-21 0:15 ` Holland, Jake
2019-03-16 22:03 ` [Ecn-sane] [Bloat] " Jonathan Morton
2019-03-16 22:09 ` Sebastian Moeller
2019-03-17 14:06 ` Mikael Abrahamsson
2019-03-17 17:37 ` Loganaden Velvindron
2019-03-17 17:40 ` Toke Høiland-Jørgensen
2019-03-17 17:44 ` Mikael Abrahamsson
2019-03-17 18:00 ` Dave Taht
2019-03-17 19:38 ` Rodney W. Grimes [this message]
2019-03-17 20:50 ` Luca Muscariello
2019-03-17 21:51 ` Toke Høiland-Jørgensen
2019-03-18 4:26 ` Mikael Abrahamsson
2019-03-16 4:04 ` Jonathan Morton
2019-03-16 4:51 ` Dave Taht
2019-03-15 18:07 ` Mikael Abrahamsson
2019-03-15 14:27 ` Jonathan Morton
2019-03-15 14:44 ` Sebastian Moeller
2019-03-15 15:49 ` Jonathan Morton
2019-03-15 21:34 ` Wesley Eddy
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