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Re: [Gen-art] Genart last call review of draft-ietf-6lo-multicast-registration-16

Dan Romascanu <dromasca@gmail.com> Mon, 11 March 2024 20:16 UTC

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From: Dan Romascanu <dromasca@gmail.com>
Date: Mon, 11 Mar 2024 22:15:53 +0200
Message-ID: <CAFgnS4Ui7Sas6hJC31R42Ox=nyrph_-2+56ey+yPjFYoyqHDrw@mail.gmail.com>
To: Pascal Thubert <pascal.thubert@gmail.com>
Cc: gen-art@ietf.org, 6lo@ietf.org, draft-ietf-6lo-multicast-registration.all@ietf.org, last-call@ietf.org
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Subject: Re: [Gen-art] Genart last call review of draft-ietf-6lo-multicast-registration-16
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Hi Pascal,

Thank you for your response. This makes sense to me, with one observation.



On Mon, Mar 11, 2024 at 3:11 PM Pascal Thubert <pascal.thubert@gmail.com>
wrote:

>
> 2. The deployment and backwards compatibility sections are quite good, but is
> there a recommended strategy for updating existing deployments in the field?
>
> This specification introduces a new MoP (14.5.
> <https://datatracker.ietf.org/doc/html/draft-ietf-6lo-multicast-registration-16#section-14.5>New
> RPL Mode of Operation
> <https://datatracker.ietf.org/doc/html/draft-ietf-6lo-multicast-registration-16#name-new-rpl-mode-of-operation>)
> . This means that you cannot update a live network. You have to create a
> new instance with MoP 5 and migrate nodes to that instance by allowing them
> to join it. MoPs a re tradictional RPL since RFC 6550, meaning that the
> behavior is already known outside of this specification.
>
>
> With the other hat that I sometimes wear, the one of an OPS-DIR reviewer,
I would say that this needs to be clarified in an Operational
Considerations statement.

Regards,

Dan

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