Some useful terms and definitions associated with MQTT

• RSMB - Really Small Message Broker from IBM, now part of the Eclipse Mosquitto project
• LWT - Last Will and Testament
• M2M - Machine-to-Machine
• M2M IWG - Machine-to-Machine Industry Working Group at Eclipse
• IoT - Internet of Things
• Paho - Eclipse Paho messaging project
• Broker - a broker is a server that routes published messages to subscribers
• bridge - a connection between two MQTT brokers