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https://straton-plc.com/wp-content/uploads/2020/06/tutoriels.jpg250250User’s guide to configure and use MQTT (IoT protocol) MQTT is an open (OASIS and ISO) standard (ISO/IEC 20922) lightweight, publish-subscribe network protocol that transports messages between devices. The protocol usually runs over TCP/IP; however, any network protocol that provides ordered, lossless, bi-directional connections can support MQTT. It is designed for connections with remote locations where a “small code footprint” is required or the network bandwidth is limited. STRATON AUTOMATION provides an integrated configuration tool for MQTT. The configurator is used for defining the parameters of one or several connections to brokers. This tutorial explains how to setup an MQTT secured and unsecured communication between straton (MQTT Client) and an MQTT Broker.