This information processing device includes an acquisition unit configured to acquire communication data, a priority determination unit configured to determine a priority for identifying a priority ranking in communication bandwidth allocation on the basis of the communication data, a preferential control information generation unit configured to generate preferential control information on the basis of a determination result of the priority determination unit, and a transmission unit configured to transmit device identification information for identifying a device which performs communication and the preferential control information to a communication device which relays communication.