The document discusses NATS and how it is well-suited for IoT applications. NATS is a cloud-native messaging platform that is highly performant, extremely lightweight, and supports various messaging models. It is always available through a pure publish-subscribe model without assuming subscribers. NATS also supports clustered servers for distributed queueing and auto-pruning of subscribers. Several example IoT applications that use NATS with technologies like Arduino, Raspberry Pi, and Golang are provided.

1. What is NATS
And why it is good for IoT
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

2. Who am I?
Raül Pérez
Lead Software Engineer
at Carrenza Ltd.
Twitter: @repejota
Github: https://github.com/repejota
Email: repejota@gmail.com
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Raül Pérez - @repejota IoT Barcelona - 04/07/2016

3. Who am I?
Raül Pérez
Lead Software Engineer
at Carrenza Ltd.
Twitter: @repejota
Github: https://github.com/repejota
Email: repejota@gmail.com
3
● Almost 4 years working on devops & distributed projects.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

4. Who am I?
Raül Pérez
Lead Software Engineer
at Carrenza Ltd.
Twitter: @repejota
Github: https://github.com/repejota
Email: repejota@gmail.com
4
● Almost 4 years working on devops & distributed projects.
● Still more a dev than op dude.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

5. Who am I?
Raül Pérez
Lead Software Engineer
at Carrenza Ltd.
Twitter: @repejota
Github: https://github.com/repejota
Email: repejota@gmail.com
5
● Almost 4 years working on devops & distributed projects.
● Still more a dev than op dude.
● Proud to be a Gopher after a looong PHP/Ruby/Python/Node.js past
experience. :P
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

6. Who am I?
Raül Pérez
Lead Software Engineer
at Carrenza Ltd.
Twitter: @repejota
Github: https://github.com/repejota
Email: repejota@gmail.com
6
● Almost 4 years working on devops & distributed projects.
● Still more a dev than op dude.
● Proud to be a Gopher after a looong PHP/Ruby/Python/Node.js past
experience. :P
● Based in Barcelona.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

7. Who am I?
Raül Pérez
Lead Software Engineer
at Carrenza Ltd.
Twitter: @repejota
Github: https://github.com/repejota
Email: repejota@gmail.com
7
● Almost 4 years working on devops & distributed projects.
● Still more a dev than op dude.
● Proud to be a Gopher after a looong PHP/Ruby/Python/Node.js past
experience. :P
● Based in Barcelona.
● Love startups & love remote work!
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

8. NATS
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9. What is NATS?
● Cloud-native message platform.
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● Designed to natively support modern cloud architectures.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

10. What is NATS?
● Cloud-native message platform.
● Highly performant.
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● Designed to natively support modern cloud architectures.
● It is fast! Can handle millions of messages per second.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

11. What is NATS?
● Cloud-native message platform.
● Highly performant.
● Extremely lightweight.
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● Designed to natively support modern cloud architectures.
● It is fast! Can handle millions of messages per second.
● A single binary, easy to deploy without unnecessary complexity.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

12. What is NATS?
● Cloud-native message platform.
● Highly performant.
● Extremely lightweight.
● Support for various messaging models and use cases.
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● Designed to natively support modern cloud architectures.
● It is fast! Can handle 10 million messages per second on a Macbook
● A single binary, easy to deploy without unnecessary complexity.
● Request/Response, Publish/Subscribe, Queues.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

13. What is NATS?
● Cloud-native message platform.
● Highly performant.
● Extremely lightweight.
● Support for various messaging models and use cases.
13
● Designed to natively support modern cloud architectures.
● It is fast! Can handle millions of messages per second.
● A single binary, easy to deploy without unnecessary complexity.
● Request/Response, Publish/Subscribe, Queues.
● Simple text based protocol.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

14. IoT
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15. IoT
● Everything is connected.
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● Virtual representations of objects (things) in a internet-like structure.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

16. IoT
● Everything is connected.
● Wireless connections between objects.
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● Virtual representations of objects (things) in a internet-like structure.
● Flexible structure.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

17. IoT
● Everything is connected.
● Wireless connections between objects.
● Self configured and discoverable.
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● Virtual representations of objects (things) in a internet-like structure.
● Flexible structure.
● Event Driven.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

18. IoT
● Everything is connected.
● Wireless connections between objects.
● Self configured and discoverable.
● Internet is no longer for people but also for machines.
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● Virtual representations of objects (things) in a internet-like structure.
● Flexible structure.
● Event Driven.
● Multiple protocols.
● Multiple communication patterns.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

19. IoT + NATS
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20. IoT + NATS
● Always on.
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● Always available (dial tone), fire and forget.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

21. IoT + NATS
● Always on.
● Pure pub/sub.
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● Always available (dial tone), fire and forget.
● Never assumes the audience.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

22. IoT + NATS
● Always on.
● Pure pub/sub.
● Clustered mode server.
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● Always available (dial tone), fire and forget.
● Never assumes the audience.
● Distributed queueing across clusters, cluster aware clients.
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

23. IoT + NATS
● Always on.
● Pure pub/sub.
● Clustered mode server.
● Auto-pruning of subscribers.
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● Always available (dial tone), fire and forget.
● Never assumes the audience.
● Distributed queueing across clusters, cluster aware clients.
● Slow clients are being cut off.
● Clients implement retry logic.
● Extremely low latency!
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

24. NATS Latency - basically zero!
An example vs RabbitMQ
Source: http://bravenewgeek.com/benchmarking-message-queue-latency/
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

25. NATS IoT Examples
● Talk on using Lua and NATS for IoT in the Home by Eric Pinto Garcia (https:
//github.com/DawnAngel )
○ Video: https://www.youtube.com/watch?v=SLQ9VXrByPc
○ Slides: https://github.com/DawnAngel/presentations/blob/master/Lua,%20NATS%20&%20IoT.
pdf
● Ripple - Water Conservation Device control using NATS, Artik10 boards,
Golang
○ http://devpost.com/software/ripples
● NATS Arduino Client by Josh Glendenning (https://github.
com/joshglendenning ):
○ https://github.com/joshglendenning/arduino-nats
● Example of NATS messaging with Raspberry Pi by John Lockwood:
○ https://dzone.com/articles/simple-composable-microservices-an-iot-example-usi
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

26. Resources
● http://microservices.io
● https://en.wikipedia.org/wiki/Cloud_computing
● http://nats.io
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● http://carrenza.com
● http://apcera.com
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

27. Questions?
Raül Pérez - @repejota IoT Barcelona - 04/07/2016

28. Thank you!
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Raül Pérez - @repejota IoT Barcelona - 04/07/2016