| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a virtual network communication system which considers policy information on the manager side of a network which receives remote access, and enables a communication terminal to simultaneously join a plurality of virtual networks and properly use the virtual networks for respective purposes such as a specified application or session without installing an exclusive device to an access network. <P>SOLUTION: When connecting the access network 100, the communication terminal 110 acquires the policy information to be a condition of connection to the virtual network from policy servers 310 and 410 and manages the acquired policy information corresponding to the virtual network managed by the policy servers. When requesting data communication, the policy information satisfying the connection condition of transmission destination information included in a data communication request is extracted from the policy information acquired from the policy servers 310 and 410, and data communication is performed using the virtual network made to correspond to the extracted policy information. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
