[Roll] New column in ND status?

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Tue, 15 December 2020 06:58 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Alvaro Retana <aretana.ietf@gmail.com>, Elwyn Davies <elwynd@dial.pipex.com>
CC: "roll@ietf.org" <roll@ietf.org>
Thread-Topic: New column in ND status?
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Subject: [Roll] New column in ND status?
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Hello Alvaro

Elwyn has a suggestion that I wanted to run by you:

>> s6.3, next to last para. s8 and s 12.2:  In view of the statement in s6.3:
>> The RPL Root MUST set the 'E' flag to 1 for all rejection and unknown status
>> codes. The status codes in the 1-10 range [RFC8505] are all considered
>> rejections. I think that IANA should be requested to add a column to the EARO
>> status codes registry being modified by s12.2 to add a column that identifies a
>> status code as a rejection or otherwise.   Some words in s8 may be appropriate.

> Well that would require normative text on the 6LoWPAN part.
> I guess we can do that at the next iteration of a 6LoWPAN ND specification.
> For now what we specify is that from the RPL perspective the listed codes denote
> a failure such that the RPL operation that wraps it cannot happen and that's enough for us.

ED>  While I understand that it would be polite to involve 6LoWPAN, WGs don't 'own' RFCs and their associated IANA registries.  Since this draft 'needs' the extra information I personally wouldn't see a problem in asking for the extra column. It doesn't break anythng 6LoWPAN are doing AFAICS. Anyway that's not my call...  ask your AD.

What do you think?


Pascal