In a private (IM) chat between Carsten Bormann and I, we realized that there was prescious little consensus about what building blocks will be used where.
For instance, I have assumed that a ROLL RPL network would not need the ND parts of 6lowpan-ND, only the DAD parts (if DAD was important). That ND was unnecessary in for RPL nodes as the DAOs and DIOs served the same purpose. This surprised some others. What Carsten said was that some kind of roadmap was necessary. In another hallway conversation at Paris, I came to understand that for layer-2==Zigbee, that on Zigbee Controllers would ever need to run RPL, and that the regular nodes (such as light switches, forgive me, I do not recall their Zigbee name), would only communicate with a controller. This in contrast to what I know the home automation/P2P people are doing. Finally, I wanted to bring your attention to draft-kelsey-intarea-mesh-link-establishment-03.txt which I'm told 6man is supposed to consider. On some networks you can not send the DAOs or NDs out until you do this. I want to ask if it belongs in ROLL or 6lowpan. -- Michael Richardson <mcr+i...@sandelman.ca>, Sandelman Software Works IETF ROLL WG co-chair. http://datatracker.ietf.org/wg/roll/charter/
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