A method and system are disclosed for reliably distributing file data from a single server to multiple client computers using a cyclical multicast approach. By “cyclical,” it is meant that data is distributed repeatedly onto the network at a certain period. The server transmits metadata asynchronously...http://www.google.de/patents/US7143132?utm_source=gb-gplus-sharePatent US7143132 - Distributing files from a single server to multiple clients via cyclical multicasting
