Re: [PANRG] On the new text on ECN: draft-irtf-panrg-what-not-to-do-16

Gorry Fairhurst <gorry@erg.abdn.ac.uk> Thu, 11 March 2021 16:17 UTC

Return-Path: <gorry@erg.abdn.ac.uk>
X-Original-To: panrg@ietfa.amsl.com
Delivered-To: panrg@ietfa.amsl.com
Received: from localhost (localhost [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id E8B4E3A12B2 for <panrg@ietfa.amsl.com>; Thu, 11 Mar 2021 08:17:37 -0800 (PST)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -1.899
X-Spam-Level:
X-Spam-Status: No, score=-1.899 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001] autolearn=ham autolearn_force=no
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 0adXQjm1DVwW for <panrg@ietfa.amsl.com>; Thu, 11 Mar 2021 08:17:35 -0800 (PST)
Received: from pegasus.erg.abdn.ac.uk (pegasus.erg.abdn.ac.uk [137.50.19.135]) by ietfa.amsl.com (Postfix) with ESMTP id 3E6D53A12AF for <panrg@irtf.org>; Thu, 11 Mar 2021 08:17:35 -0800 (PST)
Received: from GF-MBP-2.lan (fgrpf.plus.com [212.159.18.54]) by pegasus.erg.abdn.ac.uk (Postfix) with ESMTPSA id 1886C1B001D2 for <panrg@irtf.org>; Thu, 11 Mar 2021 16:17:33 +0000 (GMT)
From: Gorry Fairhurst <gorry@erg.abdn.ac.uk>
To: panrg@irtf.org
References: <d072512f-ed66-bb8b-7338-58ed720210a2@erg.abdn.ac.uk>
Message-ID: <45a9076d-d573-b976-8465-3e731081169a@erg.abdn.ac.uk>
Date: Thu, 11 Mar 2021 16:17:32 +0000
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.13; rv:78.0) Gecko/20100101 Thunderbird/78.7.1
MIME-Version: 1.0
In-Reply-To: <d072512f-ed66-bb8b-7338-58ed720210a2@erg.abdn.ac.uk>
Content-Type: text/plain; charset="utf-8"; format="flowed"
Content-Transfer-Encoding: 8bit
Content-Language: en-GB
Archived-At: <https://mailarchive.ietf.org/arch/msg/panrg/kc_jMM9w9S6aXzUwykI9Zk92_XA>
Subject: Re: [PANRG] On the new text on ECN: draft-irtf-panrg-what-not-to-do-16
X-BeenThere: panrg@irtf.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: "Path Aware Networking \(Proposed\) Research Group discussion list" <panrg.irtf.org>
List-Unsubscribe: <https://www.irtf.org/mailman/options/panrg>, <mailto:panrg-request@irtf.org?subject=unsubscribe>
List-Archive: <https://mailarchive.ietf.org/arch/browse/panrg/>
List-Post: <mailto:panrg@irtf.org>
List-Help: <mailto:panrg-request@irtf.org?subject=help>
List-Subscribe: <https://www.irtf.org/mailman/listinfo/panrg>, <mailto:panrg-request@irtf.org?subject=subscribe>
X-List-Received-Date: Thu, 11 Mar 2021 16:17:38 -0000

Resend: On 11/03/2021 15:06, Gorry Fairhurst wrote:
> HI,
>
> Two observations on ECN in what may have been learned?
>
> * I think the "one chance" is per one /Generation/ of equipment for 
> hardware, possibly less time for software updates - but hard to 
> eliminate deployed critical bugs completely.
>
> * "Measure widely before, but important also gently test during 
> initial deployment", to avoid the pain when there are issues and 
> therefore to provide a chance to refine the design if there is a 
> problem, and reduce the pain of trying.
>
> I like the additional thought from Eric (in the RG meeting) on 
> mitigating user pain by using fallback techniques, so they do not 
> share your pain when something happens to go wong.
>
> ————
>
> Is this a typo?: /Cannot be recovered at TCP layer/
> - it seems like a partial sentence, does need a /This.../
>
> Gorry
>
> _______________________________________________
> Panrg mailing list
> Panrg@irtf.org
> https://www.irtf.org/mailman/listinfo/panrg