The invention describes a method of adapting a network readiness (850) for downloading video data comprising the steps of: determining a download quality for downloading video data; determining whether the download quality is above or below a defined quality threshold value (890); adapting a network capacity and/or a video quality depending on the result of the determination of the download quality such that the download quality is above the defined quality threshold value (890). The invention further relates to a corresponding first network system, second network system and a communication system. It's a basic idea of the present invention to provide a method and corresponding devices or systems which enable a control of the network readiness (850) of a communication network with respect to the download of video data in order guaranty a defined download quality.