VPN(VIRTUAL PRIVATE NETWORK) CONNECTING METHOD, VIRTUAL PRIVATE NETWORK CONNECTION APPARATUS UTILIZING THE SAME, RADIO TERMINAL AND VIRTUAL PRIVATE NETWORK SYSTEM

摘要

PROBLEM TO BE SOLVED: To easily build a VPN(virtual private network).;SOLUTION: VPN-connection apparatus 12 belonging to a VPN acquires information for accessing their own, and sends the information to radio terminals 14. The VPN-connection apparatus 12 inputs access information of a communication party group owned by the radio terminals 14 in common, and stores the information inside. The VPN-connection apparatus 12 capsulizes data to be sent, based on the stored access information and inverse-capsulizes received data.;COPYRIGHT: (C)2007,JPO&INPIT