IoT Hub’s device twin documents store desired and reported state for every device, enabling fleet-wide configuration changes and OTA firmware updates at scale without custom protocols. Direct method invocations execute synchronous commands on any connected device within a configurable timeout, supporting reboot, calibration trigger, and mode-change operations with guaranteed delivery confirmation. Automatic device provisioning with DPS (Device Provisioning Service) enables zero-touch enrollment of millions of devices using X.509 certificates without hard-coding connection strings. Message routing with filter rules streams device telemetry to Azure Event Hub, Service Bus, Blob Storage, and Cosmos DB in parallel, feeding multiple downstream analytics and storage pipelines. Integration with Azure Digital Twins creates a live semantic model of entire IoT environments for spatial analytics and asset relationship queries.
IoT Product
Platforms & Cloud
Microsoft
Azure IoT Hub is Microsoft's cloud service for bidirectional communication between IoT devices and Azure cloud services, providing device management, message routing, and security for millions of simultaneous connections.