Re: [Roll] Martin Duke's Discuss on draft-ietf-roll-turnon-rfc8138-12: (with DISCUSS and COMMENT)

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Wed, 02 September 2020 20:34 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>
CC: Martin Duke <martin.h.duke@gmail.com>, The IESG <iesg@ietf.org>, "draft-ietf-roll-turnon-rfc8138@ietf.org" <draft-ietf-roll-turnon-rfc8138@ietf.org>, "roll-chairs@ietf.org" <roll-chairs@ietf.org>, "roll@ietf.org" <roll@ietf.org>, Ines Robles <mariainesrobles@googlemail.com>, "aretana.ietf@gmail.com" <aretana.ietf@gmail.com>
Thread-Topic: Martin Duke's Discuss on draft-ietf-roll-turnon-rfc8138-12: (with DISCUSS and COMMENT)
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Date: Wed, 2 Sep 2020 20:34:35 +0000
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Subject: Re: [Roll] Martin Duke's Discuss on draft-ietf-roll-turnon-rfc8138-12: (with DISCUSS and COMMENT)
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Hello Martin

Code point 7 is not defined and éthique doc does not define it. The intention and WIP draft is that the value 7 will signal RPLv2, and that the support of RFC 8138 will be mandated at that point. The mop itself will be signaled in an extension, more in https://tools.ietf.org/html/draft-ietf-roll-mopex-cap. The text here is to prepare the current implementation so that it behaves correctly in the presence of RPLv2.

Does that answer the discuss?

Pascal

Le 2 sept. 2020 à 21:52, Michael Richardson <mcr+ietf@sandelman.ca> a écrit :

Martin Duke via Datatracker <noreply@ietf.org> wrote:
----------------------------------------------------------------------
DISCUSS:
----------------------------------------------------------------------

Now that I know that an IANA registry exists for MOP, codepoint 7 should be
included in the IANA considerations for the "Mode of Operation" Registry.

Okay, but we don't know what MOP #7 is yet.
We have another WG document (draft-ietf-roll-mopex-01) that, for MOP#7
extends the bit space.  That document will register MOD#7.

This document avoids keeping the reservation of the scarce bits in the header
for future versions of the protocol.  We can define it always on in the future.
(Or not. It's the future)

The WG has spent a lot of time in the last year getting this right.

So having this document allocate MOP#7 is just wrong.

--
Michael Richardson <mcr+IETF@sandelman.ca>ca>, Sandelman Software Works
-= IPv6 IoT consulting =-