IoT with MQTT and Paho for Webpages - Eclipse Democamp München 2014

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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.

Technology Spiritual

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

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

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

Publish / Subscribe
Scalable Communication
6

And it just works
Required Software
Modern Browser Eclipse Paho HiveMQ
7

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

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

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
12

What's hot

Mobile devices like smartphones and tablet computers became an integral part of our modern world and single-board computers like Raspberry Pi are cheaper today than at any time before. Simple and open Machine-to-Machine (M2M) protocols like MQTT enable these devices to communicate in an efficient manner, even in scenarios with unreliable and instable networks. This talk shows how different Java MQTT libraries can be utilized for professional and personal projects to build efficient and scalable solutions for (mobile) devices. You will also see how modern technologies like WebSocket can be used in conjunction with MQTT to build real time-push services to bring data from sensor hardware to browsers in a scalable manner.

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Das Internet der Dinge (IoT) und Maschine-zu-Maschine Kommunikation (M2M) ist momentan in aller Munde. Studien zeigen das es bis 2020 50 Milliarden Geräte sein werden, die über das Internet miteinander kommunizieren und jede Sekunde kommen 80 neue Geräte hinzu. Momentan dominierende Protokolle wie HTTP/REST sind nur bedingt geeignet, um die Anforderungen abzudecken. Herausforderungen sind zum Beispiel das Senden von Nachrichten von einem Gerät zu vielen, Skalierung der Anzahl an Geräte, Push Notifications und Sicherstellung der korrekten Übermittlung. Das Publish/Subscribe-Protokoll MQTT erfüllt diese Anforderungen und wurde für mobile Geräte entwickelt. Es wird beispielsweise von Facebook für den Messenger eingesetzt. Dieser Vortrag gibt eine Einführung in MQTT sowie die Implementierung Eclipse Paho und zeigt anhand von Beispielquellcode und einer Livedemo, welche Probleme man damit lösen kann. - See more at: http://www.developer-week.de/History/2014/Programm/Veranstaltung/(event)/14178#sthash.ioXw2aoi.dpuf

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In the field of the internet of things smart home is an area, which will change our day-to-day life most intensive. The vision of an overall and adaptive Smart Home is still some years away, but there are individual solutions, for example the thermostat from NEST, which delivers great value to his users already. The same is true for approaches, which make the life of residents safer and handle emergency situations. In this talk we want to demonstrate on a concrete showcase how an intelligent smoke detector could look like and that the implementation is possible with state-of-the-art technologies. When having the infrastructure it is also easy possible to integrate other devices, for example intrusion detection systems. On a technical perspective we are using OpenHAB as communication hub inside the house. It uses the Homematic protocol to communicate with the smoke detectors and intrusion sensors. Outbound we are leveraging the HiveMQ MQTT broker in order to connect a mobile app, a SMS-plugin and a web app. Apart from the obvious alarm functionality, we also implemented additional features which have a benefit for the user, for example a status display and a test alarm for checking the functionality. In the talk we will explain the whole system, beginning with the benefits for the user and ending with an in-depth look at the technical implementation and of course we will demonstrate the system in action.

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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 2 @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

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7. And it just works Required Software Modern Browser Eclipse Paho HiveMQ 7

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! 11

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 12

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