Method and system for streaming media data comprising: transmitting a first media description file and at least a portion of media data to a media renderer, wherein the first media description file contains initial data referencing segments of the media data used to start rendering the media data on the media renderer and a link to a second media description file associated with the media data. Transmitting the second media description file to the media renderer in response to a request initiated by following the link contained in the first media file after the media renderer starts to render the media data, wherein the second media description file contains further data referencing segments of the media data used to continue rendering the media data on the media renderer. The media description files may be media presentation description transmitted over HTTP.