If the MPLS goes down, there is a really smooth transition for a branch site to take traffic over the Internet. It will advertise the routes of that site in a jiffy.
Prisma SD-WAN ensures smooth transitions during MPLS failures by quickly advertising site routes, offers seamless integration with Palo Alto for comprehensive control, and delivers valuable analytics like internet health charts. It supports complex networks with flexible internet use but faces challenges with traffic manipulation documentation, customer support, and affordability due to high pricing. Training and hardware flexibility need improvement, as users desire more scalability and advanced security features.