
Resource Revocation 133
Resource Revocation
A mobility binding can be viewed as a contract between the Home Agent and CoA endpoint,
which is either a FA or a colocated Mobile Nodes. In the metro mobility model, the contract is
across different administrative domains because the Home Agent and FA are in different
autonomous systems. During the lifetime of this contract, either Mobility Agent might want to
prematurely terminate the binding, for example, for administrative reasons, and thus revoke the
contract.
Figure 6-6 Mobile IP over IPSec over Mobile IP Topology
Now, instead of waiting for the binding to expire on the peer Mobility Agent, wouldn’ ...