Riverbed SteelHead is the industry's #1 WAN optimization solution that accelerates the delivery of applications to the branch and from the cloud, and allows IT to prioritize delivery of mission-critical applications over the fastest networks. A leader in the "Gartner Magic Quadrant for WAN Optimization Controllers" for seven years in a row.

SteelHead pioneered WAN optimization in 2004 with unique innovations for application and data streamlining across the WAN and Internet to deliver the best end-user experience regardless of location, network, or device while dramatically reducing network bandwidth.

http://www.riverbed.com/products/wan-optimization/