COMMUNICATION SYSTEM, TRANSFER CONTROL DEVICE, AND COMMUNICATION METHOD

A communication system includes a transfer control device including a terminal management unit that stores a type of content data usable by a second terminal device, a reception unit that receives at least one type of content data generated by a first terminal device, a data selection unit that selects, for the second terminal device, the usable type of content data from among the at least one type of content data received from the first terminal device, by reference to the terminal management unit, a transmission unit that transmits the type of content data selected by the data selection unit to the second terminal device, and an update unit that updates corresponding information stored in the terminal management unit, according to change notification of a usable type of content data, the change notification being transmitted from the second terminal device.