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HC1g summary Compression for prefixes other than link-local PAN has a compressible global prefix (CGP) Compression of Interface IDs derived from short addrs Similar to LOWPAN_HC1 encoding, but for CGP Compresses to 2 octets in best case Allows arbitrary IPv6 addresses if needed Same encoding octet, same HC2 Uses lower-layer information when possible Support for compressed well-known multicast addresses Neighbor discovery, DHCPv6 Uses 6LoWPAN short address encoding |