Abstract: An information processing device, which is communicably connected to a client device used by a user and each of a plurality of server devices to perform information processing for a service, stores on a memory server identification information for identifying the server device to perform the information processing, for each of a series of the information processing required to provide the service, with regards to each of the services. Then, the information processing device receives a message including service identification information for identifying the service, which is sent from the client device, identifies the service based on the service identification information included in the received message, reads out from the memory the server identification information corresponding to the identified service, and sends an information processing request for requesting to perform the information processing, to each of the server devices identified based on the read out server identification information.