From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mho-02-ewr.mailhop.org (mho-02-ewr.mailhop.org [204.13.248.72]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by huchra.bufferbloat.net (Postfix) with ESMTPS id 13E6D202761 for ; Tue, 8 May 2012 06:57:43 -0700 (PDT) Received: from c-24-4-217-203.hsd1.ca.comcast.net ([24.4.217.203] helo=kmn.local) by mho-02-ewr.mailhop.org with esmtpsa (TLSv1:CAMELLIA256-SHA:256) (Exim 4.72) (envelope-from ) id 1SRkv7-00049f-V6; Tue, 08 May 2012 13:57:42 +0000 X-Mail-Handler: MailHop Outbound by DynDNS X-Originating-IP: 24.4.217.203 X-Report-Abuse-To: abuse@dyndns.com (see http://www.dyndns.com/services/mailhop/outbound_abuse.html for abuse reporting information) X-MHO-User: U2FsdGVkX1/DLasy48Uug/fyHwhW580tLqfk+In1J2M= Message-ID: <4FA92664.3050303@pollere.com> Date: Tue, 08 May 2012 06:57:56 -0700 From: Kathleen Nichols User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Gecko/20120428 Thunderbird/12.0.1 MIME-Version: 1.0 To: codel@lists.bufferbloat.net References: <1336246349-20228-1-git-send-email-dave.taht@bufferbloat.net> <4FA7FBC7.2040501@hp.com> <1336410626.3752.2329.camel@edumazet-glaptop> <4FA805F9.20004@hp.com> <1336412079.3752.2333.camel@edumazet-glaptop> <4FA81549.5060609@freedesktop.org> <4FA8197C.4090909@freedesktop.org> <1336418211.3752.2353.camel@edumazet-glaptop> <4FA82422.9040500@freedesktop.org> <1336421020.3752.2359.camel@edumazet-glaptop> <4FA873A0.40803@freedesktop.org> <4FA87ABC.4080907@freedesktop.org> <4FA881F6.9080808@hp.com> <4FA88FA9.7030804@freedesktop.org> <4FA893E7.2010603@hp.com> <1336453817.3752.2408.camel@edumazet-glaptop> <4FA8F49B.7090601@freedesktop.org> In-Reply-To: <4FA8F49B.7090601@freedesktop.org> X-Enigmail-Version: 1.4.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Codel] [PATCH 1/2] codel: Controlled Delay AQM X-BeenThere: codel@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list List-Id: CoDel AQM discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 08 May 2012 13:57:43 -0000 I think there are two different kinds of "ECN work" going on: one to work on the algorithm and the other to see how widely deployed it is. On 5/8/12 3:25 AM, Jim Gettys wrote: > On 05/08/2012 01:10 AM, Eric Dumazet wrote: >> On Tue, 2012-05-08 at 00:14 -0400, Jim Gettys wrote: >> >>> Too late tonight to try to resurrect what I remember from Steve. >>> Barring unforeseen events, he should be able to join the list then and >>> better coming from him anyway. >>> >> I never heard of Steve, yet we did a lot of ECN related work on linux >> kernel to fix various issues (or allowing a safe ECN activation) these >> past years. > Steve Bauer works for Dave Clark at MIT. He's been studying ECN > deployment in the global internet the last couple years, by probing of > order 1,000,000 sites (and the network paths to them). > - Jim > >> >> commit bd14b1b2e29bd6812597f896dde06eaf7c6d2f24 >> tcp: be more strict before accepting ECN negociation >> >> commit e4ae004b84b315dd4b762e474f97403eac70f76a >> netem: add ECN capability >> >> commit ddecf0f4db44ef94847a62d6ecf74456b4dcc66f >> net_sched: sfq: add optional RED on top of SFQ >> >> commit b5c5693bb723a019deac3cd1345f3e7233c8a67e >> tcp: report ECN_SEEN in tcp_info >> >> commit 7a269ffad72f3604b8982fa09c387670e0d2ee14 >> tcp: ECN blackhole should not force quickack mode >> >> commit 5173cc057787560c127c6e9737f308c833dc4ff3 >> ipv4: more compliant RFC 3168 support >> >> commit ca06707022d6ba4744198a8ebbe4994786b0c613 >> ipv6: restore correct ECN handling on TCP xmit >> >> commit 4a2b9c3756077c05dd8666e458a751d2248b61b6 >> net_sched: fix ip_tos2prio >> >> commit 6623e3b24a5ebb07e81648c478d286a1329ab891 >> ipv4: IP defragmentation must be ECN aware >> >> commit 172d69e63c7f1e8300d0e1c1bbd8eb0f630faa15 >> syncookies: add support for ECN >> >> >> >> Yes, some middlebox might be broken. >> >> But far more users will be stuck in July when FBI stop DNSChanger >> servers for good. >> >> Far more users will have problems at IPv6 launch in June >> >> And so on. >> >> Of course we could try to focus on AQM problems for the time being ;) >> >> >> > > _______________________________________________ > Codel mailing list > Codel@lists.bufferbloat.net > https://lists.bufferbloat.net/listinfo/codel