Discussion of explicit congestion notification's impact on the Internet
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From: Jonathan Morton <chromatix99@gmail.com>
To: Pete Heist <pete@heistp.net>
Cc: ECN-Sane <ecn-sane@lists.bufferbloat.net>
Subject: Re: [Ecn-sane] BBRv3 ecn_low per-route feature and the CE confusion
Date: Tue, 28 Nov 2023 16:03:18 +0200	[thread overview]
Message-ID: <16FCEB18-8C61-4EDB-9C1A-4EEAE266F6FE@gmail.com> (raw)
In-Reply-To: <d97399e7a486fac11c2c750d58017ebba8b37738.camel@heistp.net>

> On 28 Nov, 2023, at 2:57 pm, Pete Heist via Ecn-sane <ecn-sane@lists.bufferbloat.net> wrote:
> 
> This isn't a problem with BBR. The problem is, we've started an
> experiment [RFC9331] that redefines the meaning of CE in a way that's
> incompatible with existing RFC3168 middleboxes. This feature in BBR is
> just a reflection of that. CCA developers are now tasked with somehow
> deciding which type of CE they're seeing.
> 
> Speaking of ecn "sane", does anyone else see this as not? :) and as a
> problem that needs solving?

Count me in the "not sane" camp, at least.  This is exactly the kind of ambiguity that SCE is designed to avoid.

 - Jonathan Morton

  reply	other threads:[~2023-11-28 14:03 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-28 12:57 Pete Heist
2023-11-28 14:03 ` Jonathan Morton [this message]
2023-11-28 15:21 ` Sebastian Moeller
2023-11-28 16:28   ` Pete Heist

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