A control device mountable on a movable apparatus, comprising at least one processor or circuit configured to function as: a position information acquisition unit configured to acquire position information of the movable apparatus, wherein the position information of the movable apparatus acquired by the position information acquisition unit is position information of a current position of the movable apparatus or position information of a destination 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, wherein the distribution connection area information is information indicating a connection area of a distribution range, the distribution range indicates a distribution range of information associated with a topic name, the connection area corresponds to a communication area of a base station, and the distribution connection area corresponds to an area provided such that the movable apparatus receives distribution of information before reaching the distribution range in consideration of communication and processing delays; a transmission unit (204, 205) 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 (204, 205). a position information acquisition unit configured to acquire position information of the movable apparatus, wherein the position information of the movable apparatus acquired by the position information acquisition unit is position information of a current position of the movable apparatus or position information of a destination 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, wherein the distribution connection area information is information indicating a connection area of a distribution range, the distribution range indicates a distribution range of information associated with a topic name, the connection area corresponds to a communication area of a base station, and the distribution connection area corresponds to an area provided such that the movable apparatus receives distribution of information before reaching the distribution range in consideration of communication and processing delays; a transmission unit (204, 205) 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 (204, 205).