The invention is directed to techniques for managing data distribution in a network. A source or root node distributes data (e.g., video data) throughout a network of nodes by distributing data from parent to child through a tree of nodes. The nodes distribute the data through the network concurrently...http://www.google.co.uk/patents/US7171491?utm_source=gb-gplus-sharePatent US7171491 - Methods and apparatus for managing data distribution in a network