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Re: [6tisch] [6lo] The "BEFORE" and "AFTER"

Michael Richardson <mcr+ietf@sandelman.ca> Thu, 21 January 2016 15:32 UTC

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From: Michael Richardson <mcr+ietf@sandelman.ca>
To: "6tisch@ietf.org" <6tisch@ietf.org>, "6lo@ietf.org" <6lo@ietf.org>
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Date: Thu, 21 Jan 2016 10:32:19 -0500
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Subject: Re: [6tisch] [6lo] The "BEFORE" and "AFTER"
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Pascal Thubert (pthubert) <pthubert@cisco.com> wrote:
    > OK, let us see.

    > With the new text I just proposed, the source (normally that’s the root)
    > address of the packet with a RH3 is the reference for compression. So Ideally
    > we’d parse that before we parse the RH3 so we can decompress the first
    > address in the RH3. This is a change from the original text where I expected
    > the first address in the RH3 to be mostly in the full. So in 6LoRH form, IP
    > in IP would come before the RH3.

So, in the case of traffic that flows from one leaf to another leaf, would
either end actually know the IP of the root?  I think that the RPL daemon
would have to program them.

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

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