Patent ID: 6631407
Filing Date: 2003-10-07
Classification: H04L

Abstract:
A device management network system including a management server, one or more network devices to be managed, and one or more client devices each having a Web browser, each of said one or more network devices comprising:a monitoring part for motoring status of managed objects; a status information storing part for storing status information representing monitoring results of said monitoring part; an informing part for informing said management server of a change of operation status when a change in the status of the managed objects is detected by said monitoring part; and a request responding part for responding to a status information request from said management server with the status information in said status information storing part, and said management server comprising: a screen data request responding part for, when receiving a screen data request containing identification information to identify a network device among said one or more network devices, obtaining status information of the network device specified by the identification information by sending the status information request to the network device, generating screen data based on the obtained status information, then sending the screen data to the client device that sent the screen data request; a device-details screen request responding part for responding with device-details HTML data to a device-details screen request containing identification information to identify a network device among said one or more network devices from a client device running a Web browser, said device-details HTML data causing the client device to execute a device-details screen display process, which is to send said screen data request to said management server, and to display a device-details screen using the screen data that is sent from said screen data responding part in response to the screen data request, said device-details HTML data also causing the client device to re-execute the device-details screen display process upon receiving a change notifying message; a usage situation information storing part for storing usage situation information representing relationship between a client device to which a screen data has been sent and a network device associating with the screen data; a specifying part for, when a change of operation status is informed from a network device among said one or more network devices, specifying a client device that is displaying a device-details screen of the network device based on the usage situation information stored in said usage situation storing part; and a message sending part for sending the status change notifying message to the client device specified by the specifying part.