The invention relates to a method and apparatus for requesting data from one of a plurality of servers. A virtual network of nodes is generated in response to a data request. A first node on the virtual network of nodes is chosen randomly, and a path generated from the first node to the root on the virtual...http://www.google.com/patents/US6963915?utm_source=gb-gplus-sharePatent US6963915 - Method and apparatus for distributing requests among a plurality of resources
