Presentation from the Eclipse Democamp 2014 in Munich. This demo shows how to connect Webpages with MQTT to get real push notifications - with an IoT protocol! Uses the Eclipse Paho Javascript library and the HiveMQ Enterprise MQTT broker for built-in websockets support.

1. IoT with MQTT
and Paho
for Webpages
2014-06-24 Eclipse Democamp München

2. Your presenters
Who is speaking today?
Angelika Wittek Dominik Obermaier
Freelancer CTO @ dc-square
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@dobermai

3. Wondering
what you
will see
today?

5. Clients can connect with
an optional LWT topic.
If a client disconnects
irregularly, all interested
parties get notified.
3 Quality of Service LevelsClients don’t have to poll for
new information. Instant Push
for business-critical, event-
driven scenarios.
State-of-the-art messaging
Publish / Subscribe
architecture for maximum
scalability and extensibility.
Publish / Subscribe Real Push Quality of Service Last will and Testament
MQTT - Features
Small selection of awesome features
5
•At most once
•At least once
• Exactly once

6. Publish / Subscribe
Scalable Communication
6

7. And it just works
Required Software
Modern Browser Eclipse Paho HiveMQ
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8. Eclipse Paho
Paho in a nutshell
Open Source
“Reference Implementation”
Available in many languages: Java, C, C++, Python,
Lua, Go, Javascript, ...
Focus on MQTT
8

9. HiveMQ
HiveMQ in a nutshell
High Performance MQTT Broker
Native Websockets support
Open Source plugin System
Bridging
9
Clustering

10. ATTENTION
Live demo!

11. Thanks!
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12. About us
“Munich at Sunset” by Hajer Ben Charrada: https://flic.kr/p/jggJ4j
“browsers” by kjhosein: https://flic.kr/p/dAQ1y7
Photos
(All Creative Commons)
Credits
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