COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMMUNICATION APPARATUS

An aspect of an embodiment of the invention provides a communication apparatus for receiving update data for an application, which carries out data communication of transferring data containing at least any one of video data and audio data over a network, and updating the application using the update data. The communication apparatus includes: a receiving unit configured to receive related information that is information related to the update data; an update unit configured to start downloading the update data based on the related information; and a determining unit configured to make determination about an execution state of the application. The update unit controls resumption and suspension of the downloading of the update data based on a result of the determination made by the determining unit.