Chariot MQTT Server is an industrial-grade, scalable, and secure MQTT broker developed by Cirrus Link Solutions. MQTT stands for Message Queuing Telemetry Transport, which is a lightweight messaging protocol that is ideal for connecting devices and applications in the Internet of Things (IoT) ecosystem. The Chariot MQTT Server is designed to handle large-scale OT deployments with high volumes of data traffic and devices, providing reliable, real-time messaging and data exchange between devices, sensors, and applications. It supports the Oasis standard MQTT version 3.1.1.