[Roll] MOP 7

"Pascal Thubert (pthubert)" <pthubert@cisco.com> Tue, 19 November 2019 01:43 UTC

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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: "roll@ietf.org" <roll@ietf.org>
Thread-Topic: MOP 7
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Date: Tue, 19 Nov 2019 01:43:46 +0000
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Subject: [Roll] MOP 7
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Dear all

Yesterday we said that if MOP is 7 then the MOPext is expected else the packet is dropped. An alternate could be to say that if MOP is 7 in the DIO and the MOPext is not present then the MOP is non-storing, since this is the most widely used mode in constrained networks.

We also said that a MOP of 7 means RPLv2, which packages new support we are defining. Q is what's mandatory and what's optional.
I see mandatory the support of the MOPext, capabilities, useofrplinfo, DCO and RUL draft.
RFC 8138 (inc turn-on), PDAO and AODV RPL are also part of RPLv2 but then the support may be optional I guess, known through capability.

What do you think?

Pascal