MEDIATION SERVER, CONTROL METHOD THEREFOR, COMMUNICATION DEVICE, CONTROL METHOD THEREFOR, COMMUNICATION SYSTEM, AND COMPUTER PROGRAM

摘要

A mediation server which is able to communicate with a plurality of account managing servers (104) and mediates requests for issuing subscription information transmitted from a plurality of communication devices between each communication device and any one of the plurality of account managing servers (104), the mediation server comprising, a selection unit configured to select the account managing server to which the request is to be transmitted based on information regarding a current operational status of each account managing server stored in a database, when the request is received from the communication device, and a transmission unit configured to transmit the request for issuing the subscription information to the selected account managing server.