MQTT - standards-based plumbing for the Internet of Things
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MQTT - standards-based plumbing for the Internet of Things

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Presentation from Solid 2014

Presentation from Solid 2014

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MQTT - standards-based plumbing for the Internet of Things MQTT - standards-based plumbing for the Internet of Things Presentation Transcript

  • MQTT: standards-based connectivity for the Internet of Things Andy Piper @andypiper
  • @andypiper | #mqtt • Signals • MQTT background and basics • The future
  • @andypiper | #mqtt – Me, at Thingmonk, December 2013 “The Internet of Things is Made of Signals”
  • @andypiper | #mqtt Actually… People PLUS • Objects • Services • Sensors • … Things ! Basically: a lot more endpoints…
  • @andypiper | #mqtt Endpoints emit data (warning, can get messy)
  • @andypiper | #mqtt The Web is request/response Web Services ~ RPC
  • @andypiper | #mqtt HTTP is document-centric is it as good for signals?
  • @andypiper | #mqtt Signals are emit/respond inputs and outputs
  • @andypiper | #mqtt MQTT broadcast, combine, learn
  • @andypiper | #mqtt The “Industrial Internet”? Fifteen years ago… • Connectivity to remote field systems could be costly • Networks could be unreliable (satellite, GPRS, mesh, proprietary protocols) • Conditions could be constrained (environment, hardware, power) • Thousands of sensors or devices may be involved in monitoring a system
  • @andypiper | #mqtt MQTT principles • Publish/subscribe messaging paradigm • Minimal on-the-wire footprint • Built for low bandwidth, high latency, unreliable, high cost networks • Expect that clients may have very limited processing resources available • Provide traditional messaging qualities of service where the environment allows • Publish the protocol for ease of adoption
  • @andypiper | #mqtt – Simen Sommerfeldt, CTO for Bouvet Oslo “MQTT is so simple that my children instantly could follow the message flow and suggest changes.” http://blogg.bouvet.no/2014/03/10/an-internet-of-things-demo-using-raspberry-pi-arduino-minecraft-and-mqtt/
  • @andypiper | #mqtt http://mmtn.borioli.net/?p=1342
  • @andypiper | #mqtt • Last Will and Testament • Retained publications • Persistent sessions • Quality of Service 0/1/2 • Assured delivery • “Multiplexed” subscriptions on single connections ! • Battery life difference vs HTTP long-polling etc http://stephendnicholas.com/archives/1217
  • @andypiper | #mqtt Let’s see what is out there…
  • @andypiper | #mqtt
  • @andypiper | #mqtt
  • @andypiper | #mqtt What’s coming?
  • @andypiper | #mqtt
  • @andypiper | #mqtt MQTT and the Internet
  • @andypiper | #mqtt MQTT and the Internet of Things…
  • @andypiper | #mqtt
  • @andypiper | #mqtt Work ahead for the IoT • MQTT-SN • Security • Data formats and semantics • Discovery and classification
  • @andypiper | #mqtt Technical info on MQTT • “Internet ALL the Things - a walking tour of MQTT” - OSCON, July 23rd, 2.30pm • mqtt.org • eclipse.org/paho ! ! • Tomorrow at Solid 2014: 
 “Wiring the Internet of Things with Node- RED” - 3.45pm Nick O’Leary
  • @andypiper | #mqtt Thanks - Creative Commons photography • https://secure.flickr.com/photos/jaredzimmerman/4347009851 • https://secure.flickr.com/photos/splatt/1211993988 • https://secure.flickr.com/photos/brunogirin/73014722