Re: [Roll] in non-storing mode how do leaf nodes know where the root is?

Michael Richardson <mcr+ietf@sandelman.ca> Mon, 04 April 2016 18:24 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Date: Mon, 04 Apr 2016 14:24:29 -0400
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Subject: Re: [Roll] in non-storing mode how do leaf nodes know where the root is?
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Kerry Lynn <kerlyn@ieee.org>; wrote:
    > That definision is in 6.3.1, while the definition in
    > section 2 says:

    > DODAGID: A DODAGID is the identifier of a DODAG root. The
    > DODAGID is
    > unique within the scope of a RPL Instance in the LLN. The
    > tuple (RPLInstanceID, DODAGID) uniquely identifies a
    > DODAG.

    > I think the first true definition is in section 5.1:

    > The DODAGID used to configure the local RPLInstanceID MUST be
    > a reachable IPv6 address of the node, and it MUST be used as
    > an endpoint of all communications within that local instance.

    > Ines' proposed text is consistent with this (though more specific).

So, I've sent this in as errata on 6550.
I imagine it will hit the mailing list any minute.

--
Michael Richardson <mcr+IETF@sandelman.ca>;, Sandelman Software Works
 -= IPv6 IoT consulting =-