We are a solution provider and this is one of the products that we implement for our clients.
One of our customers has approximately 100 branches that were linked together using Cisco SD-WAN in multiple phases. In the first phase, they started with 40 branches. In the head office, they have two MPLS links and two internet links. In each branch, they have one of each. Before implementing this solution, they could not do both things at the same time.