COMMUNICATION SYSTEM, NODE APPARATUS, METHOD AND PROGRAM

摘要

A decision on whether or not offloading to a different radio access network is made as a communication amount as well as a charging mode at a terminal and serviceability are taken into account. There is provided a node (ANDSF 40) that obtains subscriber information of a terminal (10) from a home subscriber server, while obtaining a communication amount of the terminal from a charging server. The node decides and controls whether or not to notify information concerning a different radio access network capable of becoming an offload target from the current access network based on the a charging mode in the subscriber information and the information concerning the communication amount of the terminal.