An improvement on dynamic skyscraper delivery of continuous media programs, such as video, divides the channels used for the delivery of the video into leading and trailing groups. A cluster defining on transmission of a program can then be broken into mini-clusters in the leading group which may be...http://www.google.de/patents/US7143431?utm_source=gb-gplus-sharePatent US7143431 - Method for reduced bandwidth for on-demand data streaming using mini-clusters