
IPv6 Low Power Personal Area Network Parameters

(last updated 2007-09-24)

Registries included below:
- Dispatch Type Field 
- Short Address Fields


Registry Name: Dispatch Type Field
Reference: [RFC4944]
Registration Procedures: Specification Required

Bit Pattern  Header Type
-----------  ---------------------------------------
00 xxxxxx    NALP - Not a LoWPAN frame 
01 000001    IPv6 - uncompressed IPv6 Addresses
01 000010    LOWPAN_HC1 - LOWPAN_HC1 compressed IPv6 
01 000011 through 01 001111
             reserved for future use
01 010000    LOWPAN_BC0 - LOWPAN_BC0 broadcast 
01 010001 through 01 111110
             reserved for future use
01 111111    ESC - Additional Dispatch byte follows
10 xxxxxx    MESH - Mesh header 
11 000xxx    FRAG1 -- Fragmentation Header (first)
11 001000 through 11 011111 
             reserved for future use
11 100xxx    FRAGN -- Fragmentation Header (subsequent)
11 101000 through 11 111111 
             reserved for future use

Registry Name: Short Address Fields 
Reference: [RFC4944]
Registration Procedures: Specification Required

Address Range                         Description
------------------------------------  ----------------------------------
0000000000000000 to 0111111111111111  unicast addresses
1000000000000000 to 1001111111111111  multicast addresses
1010000000000000 to 1011111111111111  reserved for future assignment
1100000000000000 to 1101111111111111  reserved for future assignment
1110000000000000 to 1111111111111100  reserved for future assignment
1111111111111110                      defined in IEEE 802.15.4 ("unassigned" short address)
1111111111111111                      defined in IEEE 802.15.4 (broadcast address)


References
----------
[RFC4944]  G. Montenegro, N. Kushalnagar, J. Hui and D. Culler, "Transmission 
           of IPv6 Packets over IEEE 802.15.4 Networks", RFC 4944, September 2007.

(Registry created on 2007-05-02)

[]