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Background When a PaC moves from one access network to another, a PANA session in the new access network should be established as fast as possible Existing solutions relying on transferring PANA session attributes between PAAs: CTP-based solution draft-ietf-pana-mobopts (PANA part) draft-bournelle-pana-ctp (CTP part) FMIPv6-based solution draft-hiko-pana-fpana (Combining PANA and FMIPv6) The above solutions are not readily applicable to cover the following scenarios Inter-administrative domain handovers Heterogeneous handovers (handovers between access network with different authorization characteristics) |