Customer facilitySD-WAN CPEMicrosoft backboneInternet SD-WAN NVAAzure regionSD-WAN NVAAzure regionSD-WAN NVAAzure regionCustomer facilitySD-WAN CPEHigh-performance overlay on top of the Microsoft backboneCustomer facilitySD-WAN CPEInternet PoPInternet PoPExpressRoutePoPSD-WAN tunnel over internet link Internet link SD-WAN tunnel over a dedicated ExpressRoute connectionSD-WAN tunnel over internet link Internet PoPCustomer facilitySD-WAN CPESD-WAN tunnel over internet link