Re: [Roll] Which MOP for RPL AODV?

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Wed, 06 October 2021 20:14 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
CC: Michael Richardson <mcr+ietf@sandelman.ca>
Thread-Topic: [Roll] Which MOP for RPL AODV?
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/gGrXZeNtGVjQTwpZFRV_7QJBZms>
Subject: Re: [Roll] Which MOP for RPL AODV?
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I like the option that both RFCs use mop 4 but never coexist in a network, Alvaro. 

Even though the work that validates that AODV applies equally to P2P RPL for the 2 RFCs you mentioned would be useful and the update worthwhile.

Take care,

Pascal

> Le 6 oct. 2021 à 21:50, Alvaro Retana <aretana.ietf@gmail.com> a écrit :
> 
> On October 6, 2021 at 2:46:25 PM, Michael Richardson wrote:
> 
> 
> Michael:
> 
> Hi!
> 
> 
> ...
>> Alvaro Retana wrote:
>>> Just FYI — there would need to be some process behind a move to
>>> formally replace rfc6997 (beyond updating the draft). We can deal with
>>> that if we need to.
>> 
>> So, obsoletes RFC6997 then?
> 
> If that's what the WG wants then yes.
> 
> rfc6997 is required by rfc7733 (Applicability Statement...Home
> Automation and Building Control), so we would need to Update that.
> 
> Also, rfc6998 (Measurement of Routing Metrics in LLNs) depends on
> rfc6997: "...the utility of this mechanism is dependent on the
> existence of P2P-RPL [RFC6997]."  We would need to see if rfc6998 also
> works with aodv-rpl and Update or Obsolete.
> 
> None of this is a showstopper (from my point of view), but it does
> require some work and most likely a new IETF LC (at least).
> 
> 
> The alternative (just thinking out loud) would be to specify the use
> of the same MOP along with some text explaining why it is not an issue
> that the value is shared -- and what could happen if both device types
> were mixed.  This option should require less work/process because
> we're not affecting other documents.
> 
> 
> Alvaro.
> 
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