A scalable, distributed, highly available, load balancing server system having multiple machines is provided that functions as a front server layer between a network (such as the Internet) and a back-end server layer having multiple machines functioning as Web file servers, FTP servers, or other application...http://www.google.se/patents/US6801949?utm_source=gb-gplus-sharePatent US6801949 - Distributed server cluster with graphical user interface
