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Interoperability over… IEEE 802.15.4 beacon mode or non-beacon mode? Basic CSMA without PAN coordinators? GTS? Other TDMA? Power management? ? 802.15.4 does not define power management in peer-to-peer 6LoWPAN is taking a non-traditional approach Tight integration with layer 2: assumes 802.15.4 headers The 6LoWPAN format is MAC/power management agnostic But, starting to making some suggestions/assumptions about the existence of beacons and PAN coordinators Should be careful when making assumptions about the underlying MAC |