A method for sending data to a client to provide data-on-demand services comprises the steps of: receiving a data file, specifying a time interval, parsing the data file into a plurality of data blocks based on the time interval such that each data block is displayable during a time interval, determining...http://www.google.fr/patents/US6725267?utm_source=gb-gplus-shareBrevet US6725267 - Prefetched data in a digital broadcast system
