CONTROL DEVICE, CONTROL METHOD, AND STORAGE MEDIUM

A control device mountable on a movable apparatus includes a position information acquisition unit configured to acquire position information of the movable apparatus, a position information notification unit configured to notify an information processing device of the position information acquired by the position information acquisition unit, a distribution connection area acquisition unit configured to acquire, from the information processing device, distribution connection area information corresponding to the position information notified by the position information notification unit, a transmission unit configured to transmit any one of a subscription registration request and a subscription cancellation request to the information processing device on the basis of an area indicated by the distribution connection area information acquired by the distribution connection area acquisition unit and a position indicated by the position information acquired by the position information acquisition unit, and a reception unit configured to receive a published message transmitted from the information processing device in response to the request transmitted by the transmission unit.