Patent ID: 7684412
Filing Date: 2010-03-23
Classification: G06F

Abstract:
1. A device connected to a network to which nodes are connected, the device comprising: a first storage unit in which information is registered; a request unit to transmit a request for device information concerning a name and an address of a node to the nodes; a reception unit to receive device information transmitted from the nodes as responses to the request; a registration unit to register the device information received by the reception unit into the first storage unit; a name resolution unit to perform name resolution by converting a requested node name to its corresponding IP address referring to the first storage unit, a checking unit to check whether a node having the IP address corresponding to the requested node name is actually found on the network when the name resolution unit performs the name resolution; and an update control unit to control the request unit and the reception unit to transmit the request, to receive the device information and to update the first storage unit with newly received device information if the node having the IP address corresponding to the requested node name is not found by the checking unit.