Patent ID: 7779111

Claim:
A network device managing method on a controlled device having an IPv6 (Internet Protocol Version 6) address for performing address management on an IPv6 network, the method comprising: assigning the IPv6 address to the controlled device, wherein: the IPv6 address contains a number indicating a management system type of the controlled device and a maker ID which is a number indicating a manufacturer of a MAC address held by a network device maker in a part of an interface ID of the IPv6 address set in association with the controlled device, the management system type comprises management by device type and management by installed place, the manufacturer being administrated by the IEEE (Institute of Electrical and Electronics Engineers), and the controlled device has as the IPv6 address a first IPv6 address which contains numbers indicating device information of the controlled device in a part of the interface ID when the number indicating the management by the device type is set in a management ID of the interface ID and a second IPv6 address which contains numbers indicating location information of the controlled device in a part of the interface ID when the number indicating the management by the installed place is set in the management ID; when a control to the controlled device is performed by using the number indicating the management by the device type, generating and transferring a first IPv6 packet from a control terminal to the controlled device, the first IPv6 packet including control information and address information which has an IPv6 address of the control terminal device and the first IPv6 address of the controlled device; when the control to the controlled device is performed by using the number indicating the management by the installed place, generating and transferring a second IPv6 packet from the control terminal to the controlled device, the second IPv6 packet including the control information and address information which has the IPv6 address of the control terminal and the second IPv6 address of the controlled device; analyzing the first and second packets by the controlled device; and operating the controlled device based on the control information.