SAN FRANCISCO--(BUSINESS WIRE)--Riverbed Technology, the leader in application performance infrastructure, today introduced Riverbed® SteelHead™ 9.1, delivering new capabilities that are designed to ensure cloud applications perform as expected and provide IT the visibility, optimization, and control to deliver applications over hybrid WANs (wide area networks) to maximize business performance and cost efficiency. Wherever applications are delivered, wherever data resides, and wherever users wo