A method for controlling a flow of a RADIUS (Remote Authentication Dial-In User Service) protocol, where the method allows a plurality of RADIUS servers to share a load in a RADIUS system in which a RADIUS client of the RADIUS system can swiftly receive a response message from a RADIUS server being responsive...http://www.google.com/patents/US7509394?utm_source=gb-gplus-sharePatent US7509394 - Method for controlling flow of radius protocol