Some IOT devices such as smart home sensors and security cameras can send real time information using the MQTT protocol to other systems for collection, forwarding, and further processing. For the purpose of simplicity you will have two types of devices, clients and brokers. Both types of devices can publish and subscribe to these streams of data. These streams of data are designated as a topic. This allows a device to publish specific pieces of data and subscribe to specific pieces of data. Think of this as a way to filter the amount of data that is processed. The intent of this short blog article is to address a common…