Re: [Roll] Unaware-leaves - ND-Status and RPL-Status linkage

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Wed, 11 December 2019 09:29 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
Thread-Topic: [Roll] Unaware-leaves - ND-Status and RPL-Status linkage
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Date: Wed, 11 Dec 2019 09:29:08 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/0b0U6RduttUqgBDLe5qZH5Nt9jQ>
Subject: Re: [Roll] Unaware-leaves - ND-Status and RPL-Status linkage
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Yes, and we need to fix the bug (130) one way or another : )

This is not an easy problem but I guess one "Ockham razor" is to consider the 

> -----Original Message-----
> From: Roll <roll-bounces@ietf.org>; On Behalf Of Rahul Jadhav
> Sent: mercredi 11 d├ęcembre 2019 02:01
> To: Routing Over Low power and Lossy networks <roll@ietf.org>;
> Subject: Re: [Roll] Unaware-leaves - ND-Status and RPL-Status linkage
> 
> > Is this RFC8505 section 9.4, ARO Status Values?
> > I can't find ND status in 8505 :-)
> 
> [RJ] I was referring to Table 1 in Section 4.1 but I guess the table in Section 9.4 is
> the same. But yes, these are indeed ND (E)ARO status codes. Sorry for the
> confusion.
> 
> > I re-read section 7 of unaware leaves, but I'm afraid I'm having
> > difficulties knitting all the pieces together.
> 
> [RJ] I think the 'A' bit in section 7 which says that the RPL status is originated
> from ND EARO is the central point here. ND is using RPL's base object Status field
> to propagate its status.
> RPL Status field is getting used as of now in, DAO-ACK [RFC6550] and DCO
> [efficient-route-invalidation draft].
> My reason to start this discussion was to clarify the intersection between
> ND/RPL to WG and the conclusion of this discussion will lead to another mail
> wherein I would like to propose final changes to DCO's Moved status value
> (which is currently 130).
> 
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