SAN FRANCISCO--(BUSINESS WIRE)--Riverbed Technology, the leader in application performance infrastructure, today announced that Carilion Clinic is using Riverbed® SteelHead™ to reduce the costs of application delivery while continuing to provide the high level of application performance needed to support fast-paced, need-it-now medical care. With SteelHead, Carilion Clinic was able to switch from high-cost fiber optic network circuits to less expensive circuits and still get the same or better