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

peter van der Stok <stokcons@xs4all.nl> Mon, 04 April 2016 12:37 UTC

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Date: Mon, 04 Apr 2016 14:37:07 +0200
From: peter van der Stok <stokcons@xs4all.nl>
To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: Re: [Roll] in non-storing mode how do leaf nodes know where the root is?
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>     > It's always been unclear to me if the DODAGID must always be the
>     > IPv6 address
>     > of the root, or if it can be an arbitrary (unique) 128-bit 
> number.
>     > In storing
>     > mode that works fine.
> 
>     > DODAGID: ....The DODAGID MUST be a routable IPv6 address...
> 
> 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 that the second definition should be moved/copied to the top, 
> and I
> suggest an errata.
> 
According to me, that does not solve your original question,
moving up and merging the two definitions does.

Peter