1. A method for supporting relocation of an Internet Protocol (IP) session of a mobile node during a network layer handover in a mobile communication system, the method comprising: detecting, from application context information on the mobile node, a first set of capabilities of a network node that facilitate maintaining the IP session; querying from a potential next network node capability information on the first set of capabilities; and determining applicability of the potential next network node to relocation of the IP session by the capability information on the first set of capabilities.