INTERNETWORKING TECHNIQUES FOR TRANSFERRING PACKETS BETWEEN SOURCE AND TARGET SERVING GATEWAYS

摘要

PROBLEM TO BE SOLVED: To provide techniques, apparatuses, and systems that include mechanisms for transferring packets between source and target serving gateways.SOLUTION: A target gateway: receives a request for transferring wireless service of a wireless device from a source network to a target network; sends a handover initiate message; receives an acknowledgement message including identification information (PDN-ID), a downlink key, and session context information; and forwards a downlink packet to the target access network.