From: Vehicular ad hoc networking based on the incorporation of geographical information in the IPv6 header
8 bits
4 bits
32 bits
16 bits
24 bits
Multicast
Flags
Scope
Latitude
Longitude
Radius
Heading 1
Heading 2
Expiration time
0xFF
0x1
0x6
int32
uint16
uint4
uint24