1. A system for implementing handover of a mobile Internet Protocol (IP) session in a communication network, comprising: a memory operable to store at least one context information rule associated with an access terminal; and a processor operable to: receive a registration request message from a target radio network controller; in response to receipt of the registration request message, transmit a context information request message to an anchor IP gateway with a connection to an anchor radio network controller; receive a context information response message from the anchor IP gateway, the anchor IP gateway waiting for an idle signal condition before releasing the connection to the anchor radio network controller, the context information response message including an authorization rule and the at least one context information rule; apply the context information rule to the mobile IP by authenticating an access terminal without accessing information from a designated home network; buffer a first packet from a correspondent node communicating with the access terminal; and enforce the authorization rule of the context information on the first packet.