MQTT

MQTT (Message Queuing Telemetry Transport) is a communication protocol for data exchange between devices and applications. It uses a publish/subscribe model with a broker as a central switching point, making it efficient, scalable, and ideal for IoT and industrial applications.

MQTT-Publisher

The MQTT publisher integrated into RmCU/MiDASS standardizes the data collected from the different protocols and transmits it in real time to further processing systems and portals.

The MQTT publisher can supply data to both traditional on-premises applications and scalable cloud platforms. Thanks to the flexible configuration of topic structures, subscribers can selectively filter data and process it further in desired structures.

Advantages
  • Lightweight: minimal resource requirements, low overhead
  • Scalability and flexibility: one-to-many, Publish–Broker–Subscriber
  • Reliability: Quality of Service
  • Security: through TLS encryption
  • Applicability: Extensive support, integration into widely used IT systems

MQTT-Broker

In addition to the MQTT publisher, RmCU/MiDASS simplifies system integration by optionally offering an integrated MQTT broker. This eliminates the need for additional broker infrastructure, allowing data to be distributed directly within the building.

The broker receives the data sent by the publishers and reliably makes it available to the desired subscribers. This direct routing shortens communication paths and significantly simplifies the system architecture.

Advantages
  • Reduced infrastructure:no need for an external broker
  • Direct data distribution:fast communication within the property
  • High reliability:Quality of Service
  • Easy Integration:uncomplicated integration into existing systems

MQTT-Subscriber

RmCU/MiDASS includes an optional integrated MQTT subscriber specifically designed to receive LoRaWAN downlink commands. This feature enables higher-level portals and systems to communicate with field devices and transmit targeted control and configuration commands.