In the past four years, Robert Stone has participated in a number of projects at UUNET including VPN product design, backbone AAA system
design/implementation, design of the CenterTrack DoS tracing mechanism, and the creation of a number of intermediate DoS tracing and countermeasure solutions.  He has also assisted with a number of incidents including the February DDoS attacks and others which can not be mentioned here.  Currently he is working with others in the industry to research DDoS tracing and prevention solutions. When he is not working he enjoys driving his sports car, riding motorcycles, swimming, and windsurfing.