In the past a WAN optimization player like Riverbed, Silver Peak has released an SD-WAN product called Unity, including the Unity Edge appliance that can terminate WAN circuits. Silver Peak has always been good at application identification; it brings that capability, along with its policy controller, right into a full SD-WAN solution. Metallic Peak also supplies a step-up called Unity Boost that will adds WAN optimization capacity to the SD-WAN platform.