Step 3: Include physical entity, virtual entity, device, resource, and service Step 4: Define structure of information model Step 5: Define service specifications Step 6: Using information in Unit 1, identify the and define the IoT level for your selected system Step 7": Define the functional view, including the device, communication, services, management, security, and application. Step 8: Define the operational view specification and include devices, communication APIs and commimication protocols, as well as, services, application, security, and management