Re: [Roll] Agenda for Monday (Re: MOP==7 live discussion )

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Mon, 21 September 2020 11:22 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: Michael Richardson <mcr+ietf@sandelman.ca>, "roll@ietf.org" <roll@ietf.org>, Ines Robles <mariainesrobles@googlemail.com>, Alvaro Retana <aretana.ietf@gmail.com>
Thread-Topic: Agenda for Monday (Re: MOP==7 live discussion )
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Archived-At: <https://mailarchive.ietf.org/arch/msg/roll/l2gnqBARqZeKk-g0A0SCcrz_gZ8>
Subject: Re: [Roll] Agenda for Monday (Re: MOP==7 live discussion )
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All very good questions, Michael, 

And it seems that we are converging. 

I read the quasi-suggestion that we align the default for MOP 7 to whether 6LoWPAN HC is running on the medium? Looks good.

I have one last question, how does this discussion impact useofrpl and unaware-leaves, since they both define flags in the RPL DODAG config option. Should we converge the language? Do they all update RPL?

Talk to you all in a few hours,

Pascal

> -----Original Message-----
> From: Michael Richardson <mcr+ietf@sandelman.ca>
> Sent: lundi 21 septembre 2020 02:31
> To: Pascal Thubert (pthubert) <pthubert@cisco.com>om>; roll@ietf.org; Ines
> Robles <mariainesrobles@googlemail.com>om>; Alvaro Retana
> <aretana.ietf@gmail.com>
> Subject: Agenda for Monday (Re: MOP==7 live discussion )
> 
> 
> okay, here is my summary of the issues that are outstanding for roll-turnon-
> rfc8138.
> I am writing this in the hope that I've captured everything.
> 
> 1) Will RFC8138 be enabled for MOP==7?  For what media?
>    I see that my notion that it should be undefined is not reasonable, and I
>    step back from this.
> 
> 2) In what way does the format of the DIO Base Object depend upon the MOP
>    value?  It seems that we need to update 6550 to say something.
> 
> 3) While RUL document mandates that RULs must support 8138, it is not
>    clear to me if RULs can operate in a pre-8138 network. What if they
>    send 8138 compression?
>    It may be that none of the compressions that 8138 creates
>    will ever be emitted by a RUL, since they are all about IPIP compression
>    and RH3 compression, but I haven't checked.
> 
> 4) we seem to be fine for 802.15.4 networks of all sorts.
>    I suspect that we are okay for all the other layers (BTLE, DECT, BACnet)
>    that leverage rfc4944 through the various upgrades.  But, we are sure?
>    What happens on devices with multiple interfaces of different types?
>    Maybe this is an RFC8138 issue really.
> 
> 
> 
> --
> Michael Richardson <mcr+IETF@sandelman.ca>   . o O ( IPv6 IøT consulting )
>            Sandelman Software Works Inc, Ottawa and Worldwide
> 
> 
>