Design Command Dispatch and Telemetry Reconciliation for Unreliable Devices

Create a design for a service that sends commands to a large group of devices and gathers status information back from them. The devices are not always online, so the system must cope with disconnections and reconnections. The design needs to cover how commands are aimed at specific devices or groups, how delivery is retried when a device cannot be reached, how the final result of each command is tracked separately for every device, how incoming telemetry is merged when…