Final answer:
Cisco WAN Automation Engine (WAE) is an SDN product used for managing and optimizing MPLS WAN connections, offering traffic simulation and capacity planning.
Step-by-step explanation:
When managing and optimizing MPLS WAN connections, one commonly used SDN product is Cisco WAN Automation Engine (WAE). Cisco WAE helps in automating the engineering and operations of multi-layer networks by optimizing traffic and providing a better planning capability.
With a wide range of features such as traffic simulation, capacity planning, and automation of network changes, Cisco WAE enables providers to efficiently manage network resources and improve the performance and reliability of their MPLS WAN.