Patent ID: 8244894

Claim:
A method for performing a detach procedure between a first device and a second device, the first device and the second device communicating in accordance with a host-based mobility protocol, the method comprising: receiving, at the first device, from the second device an informational exchange message to delete an IP security association between the first device and the second device, the informational exchange message further including a notify message indicating that the deletion of the IP security association is due to a detach request; in response to the notify message, automatically deleting, at the first device, (i) a mobility related state associated with the host-based mobility protocol and (ii) the IP security association between the first device and the second device, wherein the automatically deleting the mobility related state includes deleting a binding between a care-of address of the second device and a home address of the second device; and subsequent to the automatically deleting the mobility related state, transmitting, by the first device to the second device, a response message that includes a delete payload for the IP security association.