Where next for MQTT?
summary
MQTT 5.0 adds concrete, actionable features: new reason codes and negative acknowledgements to stop failed exchanges mid-flow, an extensible properties/metadata system (topic alias, correlation ID, subscription identifiers), session expiry and request/response fields, shared subscriptions for load‑balanced consumers, and limits like maximum packet size and inflight counts. Eclipse Paho libraries and CLI tools already implement v5 over TCP and WebSockets; Mosquitto and cloud endpoints show beta support, and v3.1.1 and v5 are expected to coexist.
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chapters (26)
- 0:00Intro
- 1:33IBM
- 1:53Cisco
- 2:48Agenda
- 9:22Goals of MQTT
- 11:27MQTT Survey
- 12:38Common Issues
- 13:59Versions
- 16:58Office
- 18:46Response Markets
- 19:28Errors
- 20:50Properties
- 21:35Packages
- 22:41Disconnect
- 23:11Response Types
- 23:55Binary byte arrays
- 26:24Local Subscriptions
- 26:59Recursive Messages
- 27:35Top Analysis
- 32:57Eclipse Purple Sea Dragons
- 33:18Command Line Utilities
- 33:53Elastic Broker
- 34:44MQTT Mosquito
- 36:15Demo
- 40:04IBM Watson
- 41:38Transmittances
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