Control network information setting method for network system, involves transmitting attribute information of communication terminal connected to control network, to attribute server using key information from authentication server

摘要

The key information required for security communication between attribute servers (3) is acquired from authentication server (2). The attribute information containing the identifier and network address of a communication terminal connected to control network (4), is transmitted from the terminal to the attribute server using the acquired key information. Independent claims are also included for the following: (1) network system; and (2) communication terminal.