MQTT - The Internet of Things Protocol

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My session on MQTT from the IBM developerWorks Days Zurich 2012

My session on MQTT from the IBM developerWorks Days Zurich 2012

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  • 1. MQTT – The Internet Of Things ProtocolBen Hardill © 2009 IBM Corporation
  • 2. ● What is the Internet Of Things?● MQTT Features● History● Community● MQTT Implementations● Demo● Mobile use● Questions
  • 3. What is the Internet Of Things?● The number of devices connected to the internet continues to grow every day● Creating data that may never be seen by a human● Rather than creating custom networks to send data, making use of ubiquitous IP networks● Smarter Planet/Smarter Cities/Smarter Cars
  • 4. ● The number of devices connected to the internet continues to grow every day
  • 5. HTTP | MQTT
  • 6. MQTT features● Publish/Subscribe● 1-to-many messaging● Hierarchical topic structures & wildcard subscriptions● 3 QOS levels – 0 at most once – 1 at least once – 2 only once● Persistent messages
  • 7. History● Invented by Andy Stanford- Clark (IBM) and Arlen Nipper (Eurotech) in 1999● Originally envisioned for use over satellite links from an oil pipe line● Home automation (Mouse trap messages)● Twittering Ferries
  • 8. Community● Protocol spec published royalty free in August 2010 and started the journey to becoming a international standard● November 2011 IBM and Eurotech join the Eclipse M2M working group● mqtt.org● COSM
  • 9. MQTT Implementations● Servers ● Clients – IBM MQ – C/C++/C# – IBM Microbroker – Java – RSMB – Python – Mosquitto – Perl – MQTT.js – PHP – Apache ActiveMQ – Rex – RabittMQ – Ruby – Arduinohttp://mqtt.org/software
  • 10. Demo
  • 11. Mobile Use ● Facebook Messenger ● Push messaging – No need for a 3rd party to handle data ● Lower Power usage than HTTP Polling**http://stephendnicholas.com/archives/1217
  • 12. Questions ?
  • 13. Resources/Links● MQTT.org – http://mqtt.org – @mqttorg● Eclipse M2M Working Group – http://m2m.eclipse.org/● MQTT protocol spec – https://www.ibm.com/developerworks/webservices/library/ws-mqtt/
  • 14. SpeakerBen HardillIBM ETSEmerging TechnologySpecialistHursley, UK@hardillbhttp://www.hardill.me.uk/wordpress/