Eclipse Democamps 2013 - M2M for Java Developers with MQTT
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Transcript of Eclipse Democamps 2013 - M2M for Java Developers with MQTT
![Page 1: Eclipse Democamps 2013 - M2M for Java Developers with MQTT](https://reader034.fdocuments.in/reader034/viewer/2022051512/540f31977bef0ab97e8b4b9f/html5/thumbnails/1.jpg)
M2M for Java DevelopersMQTT with Eclipse Paho
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Dominik Obermaier@dobermai
excited about M2Mloves OSS
passionateArchitect & Maker Co-Founder and
CTO at dc-square helps standardizing
MQTT at OASISHiveMQ architect
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M2M?
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TECHNOLOGY THAT SUPPORTS WIRED
OR WIRELESS COMMUNICATION
BETWEEN DEVICES
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Why should
we care?
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2010 2015 2020
~6.909.000.000 ~7.302.000.000 ~7.675.000.000
~12.500.000.000 ~25.000.000.000 ~50.000.000.000
[1]Source: http://www.un.org/esa/population/publications/wpp2008/wpp2008_highlights.pdf
[1]
[2]Source: http://share.cisco.com/internet-of-things.html
[2]
“Things” in the Internet
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0
12,500,000,000
25,000,000,000
37,500,000,000
50,000,000,000
2010 2015 2020
People Things
“Things” in the Internet
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0
12,500,000,000
25,000,000,000
37,500,000,000
50,000,000,000
2010 2015 2020
People Things
“Things” in the Internet
1.8x
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0
12,500,000,000
25,000,000,000
37,500,000,000
50,000,000,000
2010 2015 2020
People Things
“Things” in the Internet
1.8x
3.4x
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0
12,500,000,000
25,000,000,000
37,500,000,000
50,000,000,000
2010 2015 2020
People Things
“Things” in the Internet
1.8x
3.4x
6.5x
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Which protocol
?
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HTTP?Request / Response
Verbose
Polling instead of Push
No quality of service
How to get notified if clients die?
Stateless
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Why MQTT?✓ Simple
✓ Efficient
✓ Publish / Subscribe
✓ Quality of Service Levels
✓ Last Will and Testament
✓ Designed for unreliable networks
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Why MQTT?✓ Simple
✓ Efficient
✓ Publish / Subscribe
✓ Quality of Service Levels
✓ Last Will and Testament
✓ Designed for unreliable networksK Wireless? Yep, then it probably is unreliable
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Google Trends
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1999 2010 2013 2014
MQTT inventedby IBM and
Arcom (Eurotech)royalty free OASIS TC
formedMQTT becomes Standard
History
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Publish / Subscribe
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MQTT Topics
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MQTT TopicsMQTT/is/awesome MQTT/is/fantastic
Bacon/is/awesome
MQTT/looks/fantasticMQTT/looks/fantastic
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
MQTT/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
MQTT/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
MQTT/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
MQTT/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
MQTT/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
MQTT/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
Bacon/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
Bacon/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
Bacon/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
Bacon/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
Bacon/is/awesome
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MQTT Topics
MQTT Bacon
is
awesome
looks
fantastic
Bacon/is/awesome
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/awesome
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/awesome
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/awesome
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/awesome
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/awesome
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/awesome
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/awesome
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/+
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/+
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/+
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/+
![Page 44: Eclipse Democamps 2013 - M2M for Java Developers with MQTT](https://reader034.fdocuments.in/reader034/viewer/2022051512/540f31977bef0ab97e8b4b9f/html5/thumbnails/44.jpg)
MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/+
![Page 45: Eclipse Democamps 2013 - M2M for Java Developers with MQTT](https://reader034.fdocuments.in/reader034/viewer/2022051512/540f31977bef0ab97e8b4b9f/html5/thumbnails/45.jpg)
MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/+
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MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/+
![Page 47: Eclipse Democamps 2013 - M2M for Java Developers with MQTT](https://reader034.fdocuments.in/reader034/viewer/2022051512/540f31977bef0ab97e8b4b9f/html5/thumbnails/47.jpg)
MQTT Topic Level Wilcard
MQTT Bacon
is
awesome
looks
fantastic
+/is/+
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
MQTT/#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
![Page 58: Eclipse Democamps 2013 - M2M for Java Developers with MQTT](https://reader034.fdocuments.in/reader034/viewer/2022051512/540f31977bef0ab97e8b4b9f/html5/thumbnails/58.jpg)
MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
![Page 60: Eclipse Democamps 2013 - M2M for Java Developers with MQTT](https://reader034.fdocuments.in/reader034/viewer/2022051512/540f31977bef0ab97e8b4b9f/html5/thumbnails/60.jpg)
MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
![Page 61: Eclipse Democamps 2013 - M2M for Java Developers with MQTT](https://reader034.fdocuments.in/reader034/viewer/2022051512/540f31977bef0ab97e8b4b9f/html5/thumbnails/61.jpg)
MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
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MQTT Wildcard
MQTT Bacon
is
awesome
looks
fantastic
#
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Broker Implementations
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Broker Implementations
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Broker Implementations
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Broker Implementations
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Broker Implementations
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Broker Implementations
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Broker Implementations
+ others
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Broker Implementations
+ othersExtensive list of brokers available at http://mqtt.org/wiki/doku.php/brokers
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OK, got it.
How to start
hacking?
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What is Paho?
✓ Scalable Open Source Implementations of M2M standard protocols
✓ Focus on MQTT
✓ Implementations in Java, Javascript, Lua, C, C++ and Python
✓ Eclipse Incubator
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What is Paho?
✓ Scalable Open Source Implementations of M2M standard protocols
✓ Focus on MQTT
✓ Implementations in Java, Javascript, Lua, C, C++ and Python
✓ Eclipse Incubator
KRead: What is Paho at the moment
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Java!
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11/2011 03/2012 04/201311/2012 08/2013
contribution of IBM announced at EclipseCon Europe
first versionin GIT
Releasev0.1
Releasev0.2
Releasev0.4.0
Paho - Java
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Code! public void start() throws Exception { final String clientId = "democamp_sub";
final MqttClient mqttClient = new MqttClient(BROKER_URL, clientId, new MemoryPersistence());
mqttClient.setCallback(new SubscribeCallback(mqttClient));
mqttClient.connect();
mqttClient.subscribe(TOPIC_SUBSCRIPTION, QUALITY_OF_SERVICE_LEVEL);
}
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Moar Code!public class SubscribeCallback implements MqttCallback {
@Override public void connectionLost(Throwable cause) {}
@Override public void deliveryComplete(MqttDeliveryToken token) {}
@Override public void messageArrived(MqttTopic topic,
MqttMessage message) throws Exception {
System.out.println( "Message arrived. Topic: "
topic.getName() + ", QoS: " + message.getQos() + ", message: " + new String(message.getPayload(),Charset.forName("UTF-8")));
}}
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DEMO!
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Other Eclipse M2M Projects
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Other Eclipse M2M Projects
+ others
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THANKYOU!
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Credits
✓ Pictures licensed from different people from 500px.com and depositphotos.com
✓ MQTT Logo by http://www.mqtt.org
✓ Paho Logo from http://wiki.eclipse.org/Paho/Branding