
296 Part Two • IPv6 Protocols
This is merely an overview of the IPv4 mobility protocol, and it omits
details as well as important aspects of mobility security. It is provided
purely as background for discussion of mobility in IPv6.
17.2 Mobility Support in IPv6
As of mid-2003, the specification for mobility support in IPv6 is still a work-
in-progress, even though it has been revised almost two dozen times. The
objective of mobile IPv6 is still to allow a mobile node to move from link to
link while retaining the same, home, IPv6 address. This allows connectivity
to the mobile node transparently, no matter where the node is linked to
the network.
Unlike ...