An information processing apparatus, an information processing system, server and program

An information processing apparatus while maintaining enable session established between the server, so that a higher than conventional power saving effect is obtained. The invention relates to an information processing apparatus 3 that communicates with the server 7 via the local network, maintains a session establishing unit 34 establishing a communication session that can be a server 7 via the local network, the session to the server 7 and the periodic communication unit 35 for performing periodic communication at predetermined time intervals, the power controller 32 to stop the energization of the periodic communication unit 35 by transition condition is satisfied to the sleep mode, the sleep mode by the power control unit 23 when migrating a configuration including a proxy request section 36 for requesting the other devices provided in the local network alternate regular communication with the server 7 to perform periodic communication unit 35, a. .FIELD 5