Service Assurance Manager (SAM) by Viakoo is a component of the Viakoo Action Platform designed to manage and monitor IoT devices, particularly in video surveillance and access control systems. It provides real-time visibility into the operational status and performance of IoT devices across an enterprise. SAM utilizes Digital Twin technology to model and monitor end-to-end network health, device uptime, and video stream recording and storage. The solution offers automated diagnostics to quickly identify root causes of problems in IoT networks, ensuring the operational integrity of cyber-physical systems.