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Analytics using MQTT

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by

Gerard Gigliotti

on 4 June 2013

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Transcript of Analytics using MQTT

Analytics Using MQTT Our Goal To the prototype! Build a message based web-analytics prototype using Message Queue Telemetry Transport (MQTT). MQTT Message Structure Basics Topic: The topic where the data will be sent. No queues! Eg: /alice/analytics/location
Quality of Service:
Lvl 0: At most once. Fire and forget.
Lvl 1: At least once. Acknowledged delivery.
Lvl 2: Exactly once. Assured delivery.
Message Body: We’ve used a JSON formatted message. Architectural Overview Technologies Message Broker:
Mosquitto
Websockets to TCP Gateway:
WSS
App Servers:
NodeJS with Express
HTML Clients:
JQuery – General
D3 (Data Driven Documents) – Graphs
Socket.IO – Web Sockets
Leaflet – Maps
Paho MQTT JS Library – Sending MQTT messages MQTT? Publish/subscribe messaging transport.
Machine-to-machine (M2M) or "Internet of Things" .
Extremely lightweight .
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