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Re: [aqm] [iccrg] [tcpm] ECN support and usage on the Internet

Glen Turner <gdt@gdt.id.au> Tue, 19 March 2013 23:09 UTC

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From: Glen Turner <gdt@gdt.id.au>
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Date: Wed, 20 Mar 2013 09:38:37 +1030
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References: <201303190904.32180.mkuehle@ikr.uni-stuttgart.de> <alpine.DEB.2.00.1303191014021.2309@uplift.swm.pp.se> <51487A27.7010904@hp.com> <CAGhGL2D=qncZZ0YG2jLfXwJLXLrXj4dXns_u66qPNBEVH2ZR4A@mail.gmail.com> <B2CE202A35DFDD4A904DA7497D7D2B9830F98A@CNHZ-EXMAIL-10.ali.com> <CAGhGL2AbSUvm-XcgH6y2gRy_hYj4mc4YU+u7LeuiCp0DzfsRDg@mail.gmail.com>
To: Jim Gettys <jg@freedesktop.org>
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Cc: Rick Jones <rick.jones2@hp.com>, "iccrg@irtf.org" <iccrg@irtf.org>, "tcpm@ietf.org" <tcpm@ietf.org>, 天澜 <tianlan.lhh@alibaba-inc.com>, "aqm@ietf.org" <aqm@ietf.org>, Mikael Abrahamsson <swmike@swm.pp.se>
Subject: Re: [aqm] [iccrg] [tcpm] ECN support and usage on the Internet
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On 20/03/2013, at 9:06 AM, Jim Gettys wrote:
> 
> We have ECN enabled in CeroWrt and have not noticed any problems; but 4-5 years ago OpenWrt (with a very much larger user base) still detected problems to the extent they had to disable initiating ECN connections.  

The issues with accessing web sites from ECN-using hosts were primarily due to one software bug in one popular network vendor's popular firewall. The software versions with that bug have been end-of-lifed by the vendor. So you should have a much better experience with ECN reachability these days.

-glen

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