MQTT (Message Queuing Telemetry Transport) - providing a lightweight publish/subscribe reliable messaging transport protocol suitable for communication in M2M/IoT contexts where a small code footprint is required and/or network bandwidth is at a premium.

Some technical information:

Data Source implementation based on: Eclipse Paho 1.2.5;

Configuration

Each MQTT Receiver Data Source require some parameters:

There are also some optional parameters:

ScadaLTS can also send a messages to related queue. It is as simple as it was for other DataPoint. Just open "watch list" menu select wrench button, type a new message which you want to send, and press link [send]. You can check your message on the other device.