18707003. COMMUNICATION APPARATUS, COMMUNICATION METHOD AND PROGRAM (NIPPON TELEGRAPH AND TELEPHONE CORPORATION)
Contents
COMMUNICATION APPARATUS, COMMUNICATION METHOD AND PROGRAM
Organization Name
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor(s)
COMMUNICATION APPARATUS, COMMUNICATION METHOD AND PROGRAM
This abstract first appeared for US patent application 18707003 titled 'COMMUNICATION APPARATUS, COMMUNICATION METHOD AND PROGRAM
Original Abstract Submitted
A communication device that accommodates a computer connecting to a LAN in a core network improves economical efficiency at the time of consolidating an overlay network for each area by including: a determination unit that is configured to determine an area to which a transmission source of a first packet belongs on the basis of a destination of a second packet once the second packet is received, the first packet being designated to the computer from any one of a plurality of areas, the second packet being obtained by encapsulating the first packet with a destination of any one of a plurality of IP addresses allocated to the communication device for the respective areas; a first transmission unit that is configured to transmit the second packet to the computer on the basis of the destination of the second packet; and a second transmission unit that is configured to encapsulate a response from the computer in a third packet with a destination of an IP address of a representative router of the area determined by the determination unit and transmit the third packet.