The best SD-WAN vendors are Fortinet FortiGate, Barracuda CloudGen Firewall, Forcepoint Next Generation Firewall, Cisco SD-WAN, and Nuage Networks.
Fortinet is the top solution according to IT Central Station reviews and rankings.
One reviewer writes: "The IPsec tunnels are very easily created, and quite interoperable with devices from other vendors", and another reviewer writes: "The reporting that automatically comes off the unit makes it much easier to meet compliance standards".
The 2nd best product is Barracuda CloudGen Firewall. A user writes: "Provides real-time, deep, user-level monitoring, single sign-on, and integrates with AD",
and another reviewer writes: "Good for both small businesses and massive companies but it needs to improve update features".
See our free Buyer's Guide for SD-WAN.