Patent ID: 8320315

Claim:
A mobile node in a packet communication system complying with the Edge Mobility and configured by including: a mobile node; first and second access gateways; and a location management device holding the first and second access gateways as location information of the mobile node and setting a corresponding one of the first and second access gateways as a transfer destination of a packet addressed to the mobile node, the first and second access gateways connecting to a network through first and second access systems, which are distinct, of the mobile node and serving as respective connection points for the first and second access systems within a single core network that communicates with a single IP address, the location management device being a single location management device managed within the core network, the mobile node comprising: a location registration notification unit including first and second transmitter-receivers respectively using the first and second network access systems connected to the core network, the first and second transmitter-receivers being configured to respectively request connection to the first and second access gateways to be connected with, the location registration notification unit being configured to cause location registrations to be performed from the first and second access gateways, respectively, with respect to the location management device; a storage unit for acquiring and storing path information in the single core network that communicates with the single IP address and for the first and second access systems with respect to the first and second access gateways to be connected with via the first and second access systems of the respective first and second transmitter-receivers and for storing the path information; a selection unit for selecting an access gateway to be preferentially used from the plurality of access gateways connected; and a transmission unit for transmitting a packet to the selected access gateway based on the path information.