Special Edition Using TCP/IP, Second Edition

Registering Care-of Addresses

One of the vital steps that complete the mobile IP framework implementation is the registration process where the mobile device must register its new care-of address with the home agent. This step is analogous to specifying the new address on the “signboard.” When a mobile device returns to its home network, the device must deregister its care-of address by instructing its home agent to implement the deregistration process. There are different methods that must be implemented to register a mobile device’s care-of address. For example, if the mobile device needs to register a co-located care-of address, it can directly communicate with its home agent to register the address. However, there is an exception to ...