Multi-WAN routers: A comprehensive guide to five of the best
Multiple WAN connection (MultiWAN), the most popular Internet Connection concept in Cuba, trying to take it to OpenWrt - Network and Wireless Configuration - OpenWrt Forum
Aspen Networks
pfSense] Multiple WAN Connections – Provya
Amazon.com: TP-Link Safestream Multi WAN VPN Router | 1 Gigabit WAN+3 Gigabit WAN/LAN+1 Gigabit LAN Port | IPsec/L2TP/PPTP VPN Supported| SPI Firewall | DoS Defense | Lightning Protection(TL-R600VPN) : Electronics
Introducing the Multi-WAN feature of GL.iNet Routers - YouTube