The present invention is directed to a system and method for delivery of encoding video data over a data network such as an IP network. In addition to having a server capable of sending multiple layers of data into the data network, the system comprises adaptive nodes located intermediate the server...http://www.google.com/patents/US20040071083?utm_source=gb-gplus-sharePatent US20040071083 - Method for streaming fine granular scalability coded video over an IP network