INFORMATION PROCESSING DEVICE, AND BUBBLE PACKET TRANSMISSION METHOD AND PROGRAM

摘要

A first information processing device (1) of a communicator which communicates with an information processing device of a communication party through an NAT of the communicator. The first information processing device (1) comprises a life setting section (13) for setting a life of a bubble packet to be sent from the information processing device of the communication party to record the transmission history in the NAT of the communicator in order to be able to receive the packet in such a way that the life of the bubble packet is short enough not to reach the information processing device of the communication party and a bubble packet transmitting section (14) for transmitting the bubble packet having the life set by the life setting section (13) through the NAT of the communicator. With this constitution, an information processing device capable of adequately setting up communication through an NAT with high level of security is provided. ® KIPO & WIPO 2007