| 摘要 |
In the present invention, management devices (31, 32, 33) are provided with: an ID generation unit (30A) which generates a communication ID; an authentication request unit (30B) which transmits the communication ID generated by the ID generation unit (30A) to authentication devices (41, 42, 43) and requests authentication of the uniqueness of the transmitted communication ID; and a communication permission request unit (30C) which transmits, to aggregators (21, 22, 23), the communication ID the uniqueness of which was authenticated by the authentication devices (41, 42 , 43), and requests permission to communicate using the transmitted communication ID. |
