mqtt org
Mosquitto, An Open Source MQTT
這是 IBM發明的，所以在 WebSphereMQ上也有支援
MQTT 簡介 - IBM
MQTT Essentials: Part 1 – Introducing MQTT
MQTT Essentials Part 2: Publish & Subscribe
MQTT Essentials Part 3: Client, Broker and Connection Establishment
MQTT Essentials Part 4: MQTT Publish, Subscribe & Unsubscribe
MQTT Essentials Part 5: MQTT Topics & Best Practices
MQTT Essentials Part 6: Quality of Service 0, 1 & 2
MQTT Essentials Part 7: Persistent Session and Queuing Messages
MQTT Essentials Part 8: Retained Messages
MQTT Essentials Part 9: Last Will and Testament
MQTT Essentials Part 10: Keep Alive and Client Take-Over
MQTT Security Fundamentals: Authentication with Username and Password