If you are looking to control and improve how your endusers consume video across your network, consider Blue Coat’s MACH5 WAN Optimization Appliance. It works for live, streaming, and on-demand video, and is easy to setup and configure.

MACH5 WAN Optimization Appliance
Blue Coat Networks
starting at $2995 for the smallest appliance
http://bluecoat.com/products/mach5