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“IPv6 Communication over IEEE 802.15.4” … 6LoWPAN supports IP communication using global (i.e., routable) IPv6 addresses But it never compresses them! HC1 compression only applies to the special link local prefix. Shared by all nodes in the PAN So if you use IP over 802.15.4 for what IP is typically used for (internetworking) you lose much of the virtue of 6LoWPAN. => Complement HC1 with HC1g stateless compression for a shared global prefix |