. A key difference is that SD-WAN is virtual and decoupled from physical links, whereas MPLS is a circuit. MPLS is more expensive than SD-WAN. MPLS prevents data packet loss and is better than SD-WAN when it comes to data packet loss prevention.

. A key difference is that SD-WAN is virtual and decoupled from physical links, whereas MPLS is a circuit. MPLS is more expensive than SD-WAN. MPLS prevents data packet loss and is better than SD-WAN when it comes to data packet loss prevention.