Patent ID: 8208919
Filing Date: 2012-06-26
Classification: H04W

Abstract:
1. A method for performing route optimization based on network enforced, and mobile implemented, policy, the method comprising: establishing, from a mobile device, a communication session with an access router; receiving, via the established communication session, a first IP address and a second IP address to be assigned to the mobile device; receiving, at the mobile device and from a mobile communication network server, a set of rules specifying a manner in which the first IP address and the second IP address are to be used; evaluating, at the mobile device, at least one parameter of the communication session against the set of rules to determine to communicate with an external device using a selected one of the first IP address and the second IP address; and communicating with the external device using the selected IP address as the address of the mobile device based upon a result of the evaluation, wherein: establishing the communication session with the access router includes establishing a communication session with a home access router located inside a home network with which the mobile device is registered, the home access router being connected to a roaming home agent and a home agent, the roaming home agent and the home agent belong to the home network, receiving the first IP address includes receiving a roaming IP address configured to enable the mobile device to communicate with the external device through the roaming home agent, and receiving the second IP address includes receiving a home IP address configured to enable the mobile device to communicate with the external device through the home agent.