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Re: [Roll] [6tisch] [6lo] call for consensus for the RPL RPI / RH3 compression

Michael Richardson <mcr+ietf@sandelman.ca> Wed, 07 January 2015 14:59 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
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Date: Wed, 07 Jan 2015 09:59:01 -0500
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Subject: Re: [Roll] [6tisch] [6lo] call for consensus for the RPL RPI / RH3 compression
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Thank you Tom for point at RFC2663 for "address domain". 

Pascal Thubert (pthubert) <pthubert@cisco.com> wrote:
    > 6LoWPAN HC and the new draft proposals (NHC, dispatch, all apart from
    > the flow label) are encoding procedures that can be reversed so as to
    > restore the original packet. 
    > The term sub IP, should it refer to an encapsulation like a vlan, would
    > be inappropriate. If it refers to an adaptation layer below IP, it
    > would apply.  

So, again, I think a key reason why the various HC are not a sub-IP protocol
is because rfc6553 does not create new addressing domains with the RPL
InstanceID.

Can we agree that this is not a sub-IP signalization problem.

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

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