
18 Chapter 2: Understanding Mobile IP
Mobile IP: Components
As shown in Figure 2-5, a Mobile IP deployment can contain, at a minimum, a Home Agent and
a Mobile Node, and can also contain a FA. A single router can serve as any or all of these three
components. However, most common deployments use separate devices for each function or
sometimes combine the Home Agent and FA into a single router. These functions can be
enabled on existing access routers in the network, or they can be enabled on dedicated Mobility
Agents. Other important concepts in Mobile IP include the Home Network, Home Address, and
CoA.
Figure 2-5 Components of a Simple Mobile ...