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    • Expose APIs of devices/resources via standardized APIs and protocols (HTTP/REST, MQTT, etc)
    • Implement native APIs/protocols of devices internally (if needed)
    • Manage devices and their resources in the Resource Catalog:.

  • Publish registrations to (the) remote Resource Catalog(s)
    • Continuously update these registrations (keepalive)
    • Remove the registrations on devices failures and graceful shutdwon of the Device Connector
    • Optionally, expose local read-only API Description with managed resources

Implementations

  • Device Gateway: a lightweight, natively-compiled Device Connector for integration of various devices through stdin/stdout communication with device-specific agents for specific agents for rapid prototyping of IoT applications.
  • ...Thing Publisher: a service for exposing proprietary sensor data in the OGC SensorThings format over MQTT.