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Re: [Detnet] WG adoption poll: draft-liu-detnet-large-scale-requirements-05

Balázs Varga A <balazs.a.varga@ericsson.com> Mon, 07 November 2022 10:10 UTC

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From: Balázs Varga A <balazs.a.varga@ericsson.com>
To: Janos Farkas <Janos.Farkas=40ericsson.com@dmarc.ietf.org>, "detnet@ietf.org" <detnet@ietf.org>
Thread-Topic: WG adoption poll: draft-liu-detnet-large-scale-requirements-05
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Date: Mon, 07 Nov 2022 10:10:39 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/detnet/kkoMYTWtSy51IoLhOZgWerc2VA8>
Subject: Re: [Detnet] WG adoption poll: draft-liu-detnet-large-scale-requirements-05
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Hi,

I support the adaptation with some fine tunings. In general the document is well constructed and provides a good basis for WG work.

Two comments for further improvements of the document:
- Section 3.2 (Support Large Single-hop Propagation Latency)
The example described here needs some further clarification. Using CQF is not limited to 2 queues. Using more than 2 queues
can solve large link latency related concerns. It would be great to clarify this in this document to avoid any further misconceptions.
I would propose to refer to Norm Finn's article on "Multiple Cyclic Queuing and Forwarding", giving a great description of the
problem and the solution as well.
https://www.ieee802.org/1/files/public/docs2021/new-finn-multiple-CQF-0921-v02.pdf

- Adding explicit requirement regarding flow fluctuation
Flexibility regarding fluctuation of flows (adding/removing flows) is an important requirement for large-scale networks. It is already
referred (implicitly) at some point in the document (e.g., "they may randomly join and leave"), but would be worth to add this
requirement _explicitly_ in a dedicated section to the draft (e.g., after section 3.4).

Thanks
Bala'zs


From: detnet <detnet-bounces@ietf.org> On Behalf Of Janos Farkas
Sent: Friday, October 28, 2022 2:55 PM
To: detnet@ietf.org
Subject: [Detnet] WG adoption poll: draft-liu-detnet-large-scale-requirements-05

Hi,

This email begins a 3-week adoption poll for:
https://datatracker.ietf.org/doc/html/draft-liu-detnet-large-scale-requirements-05

Please voice your support or technical objections to adoption on the list by the end of the day (any time zone) November 18.

Thank you,
János (as Co-chair)

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