(ICT) (HE) (ITU-T J.127 (04), 3.3). A program transmission method whereby the program starts playing after a certain amount of data has been buffered while receiving subsequent data in the background, where the program is completely created by the content provider. Using this system, users are able to select and watch video and multimedia content over a network as part of an interactive television system. VoD systems either stream content, allowing viewing in real time, or download it, in which the program is brought in its entirety to a set-top box before viewing starts