US Patent 11777760 VPN classification to reduce usage costs while retaining responsiveness

Systems and methods for estimating the kind of traffic a VPN is carrying and determining which WAN connection to use for VPN network traffic to reduce usage costs while maintaining responsiveness in a VPN router or gateway. A VPN classifier examines VPN packets and estimates the type of traffic they are carrying and selects a policy for upstream or downstream traffic to determine which tunnel or tunnels to send network traffic. Further, policies may be applied to VPN packets as a function of usage knob.