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Re: [babel] Okay to update draft-ietf-babel-rtt-extension-06.txt?

"Gunter van de Velde (Nokia)" <gunter.van_de_velde@nokia.com> Thu, 18 April 2024 18:40 UTC

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From: "Gunter van de Velde (Nokia)" <gunter.van_de_velde@nokia.com>
To: Juliusz Chroboczek <jch@irif.fr>
CC: Donald Eastlake <d3e3e3@gmail.com>, "babel@ietf.org" <babel@ietf.org>
Thread-Topic: Okay to update draft-ietf-babel-rtt-extension-06.txt?
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Date: Thu, 18 Apr 2024 18:40:39 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/babel/HSStmB3MC0mdUgpeQ-iwjZ4eoqU>
Subject: Re: [babel] Okay to update draft-ietf-babel-rtt-extension-06.txt?
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Thanks for the update Juliusz,

Indeed, it should not have been added without consulting and approval of WG. All IESG discuss blocks for the draft have been cleared and is waiting for my AD ‘yes’ ballot to progress. Refrain for any other edits beyond fixing this text blob and editorial typos.

Once the -07 is ready, i’ll look at the diffs and process the document onwards.

Brgds,
G/

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________________________________
From: Juliusz Chroboczek <jch@irif.fr>
Sent: Thursday, April 18, 2024 7:21:23 PM
To: Gunter van de Velde (Nokia) <gunter.van_de_velde@nokia.com>
Cc: Donald Eastlake <d3e3e3@gmail.com>; babel@ietf.org <babel@ietf.org>
Subject: Re: Okay to update draft-ietf-babel-rtt-extension-06.txt?


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> I am unsure what exactly is intended to be changed. Can you briefly
> explain me again what the change is you are requesting

In -06, I added the following paragraph (Section 3.3) without consulting the WG:

   Finally, in order to avoid using stale data, if a node does not
   successfully compute an RTT sample for a given neighbour for a time
   T2, it SHOULD discard any RTT-related state for that neighbour (such
   as the smoothed RTT, see Section 4.1).  The default value
   T2 = 3 minutes is RECOMMENDED.

This was a mistake: it's unnecessary, it does not reflect implementation
practice, and at one prominent WG participant (Toke H-J) has objected to it.

Therefore, I intend to present my apologies to the WG, and publish a -07
that is (almost) identical to -06, except for the omission of this paragraph.
I don't think there's an issue with the principle, since the version reviewed
by the IESG did not contain this paragraph, but I'd like to make sure it's
okay from a procedural point of view.

("Almost identical", because unless you object, I also intend to fix a couple
of typos, such as the missing capital at the beginning of Section 1.1.)

-- Juliusz

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