This document discusses several use cases for SD-WAN as a service and how a managed SD-WAN provider like QOS fits those use cases. It outlines common challenges customers face around lack of SD-WAN expertise, enabling remote work, lack of centralized management, and poor edge security. For each use case, it describes what QOS is seeing in the market and how QOS solutions like co-managed services, automated provisioning, centralized monitoring and analytics, and integrated security address those challenges. The target audiences of CIOs, VPs/Directors of IT are also addressed.