A management system for managing a plurality of devices managed device communicably connected via the HTTP server and a communication control section to read the device information of each of the managed device.
The present invention provides a management system and a management method and apparatus to be managed. A plurality of managed devices and managed in the management system for managing a plurality of devices managed device communicably connected via the HTTP server, each of the managed device comprises: a communication means to access the HTTP server, whereby the write apparatus information indicating the state of the device; timing setting means, based on the inherent value of the unit set in advance, the setting of the HTTP server access timing; and a communication control section, based on the timing information set periodically the operation of the communication means, said management means comprising a communication means, the communication means accesses the HTTP server, to thereby read the device information of each of the managed device.