Design overview
In this design, branch SD-WAN devices now have two (or more) gateways at separate geo-redundant locations from which to steer traffic. Both gateways are active, and traffic can flow through either gateway. While this section will refer to a traditional datacenter, the gateway can be located in a public or private cloud, customer premise location, or any other location where FortiGate physical or virtual appliance can be configured.
The following sections help describe the solution design: