Event Driven Architectures with Twisted

Transcript

1. Scalable Event Driven Architectures with Twisted Friday, October 5, 2012

2. Praekelt Foundation builds open source, scalable mobile technologies and solutions

   to improve the health and wellbeing of people living in poverty. Friday, October 5, 2012

3. Majority World Friday, October 5, 2012

4. Africa: 1 billion people. 700 million phones. Friday, October 5,

   2012

5. Most will never use a computer. Friday, October 5, 2012

6. Education Health Employment Agriculture Governance Friday, October 5, 2012

7. Image courtesy of Kiwanja.net There are some serious challenges. Friday,

   October 5, 2012

8. Nothing is reliable. Friday, October 5, 2012

9. Tight Coupling. Friday, October 5, 2012

10. Friday, October 5, 2012

11. Transports Applications Decoupled & Asynchronous Decoupled & Asynchronous Standardized Message

    Format Standardized Message Format Reusable Reusable Friday, October 5, 2012

12. Twisted Networking Application RabbitMQ AMQP Message bus Redis Key /

    Value store Persistence Riak NoSQL database Friday, October 5, 2012

13. Python Twisted Javascript Node.js Ruby EventMachine Friday, October 5, 2012

14. Event Driven Programming Programs consist of callbacks that are called

    by the framework. Friday, October 5, 2012

15. Friday, October 5, 2012

16. Friday, October 5, 2012

17. Friday, October 5, 2012

18. Friday, October 5, 2012

19. Friday, October 5, 2012

20. Friday, October 5, 2012

21. Deferred() Future Promise Friday, October 5, 2012

22. Friday, October 5, 2012

23. Friday, October 5, 2012

24. Friday, October 5, 2012

25. OS Event OS Event OS Event Deferreds F R R

    W W W W W W W W W W Reactor Event Loop Friday, October 5, 2012

26. T A Coupled Friday, October 5, 2012

27. T A Decoupled Friday, October 5, 2012

28. Concurrent TT A Friday, October 5, 2012

29. A T T T A A RabbitMQ Appointment Reminders ...

    USSD SMS ... Verify medicine Distributed Friday, October 5, 2012

30. You can wait Friday, October 5, 2012

31. T Synchronous 3rd party API A Inbound Vumi Message Outbound

    Vumi Message Friday, October 5, 2012

32. Deferreds can be difficult to wrap your head around. Friday,

    October 5, 2012

33. @inlineCallbacks great to get started, can cause subtle problems. Friday,

    October 5, 2012

34. Incredible stable stack Friday, October 5, 2012

35. trial Friday, October 5, 2012

36. WIKI VUMI Friday, October 5, 2012

37. Friday, October 5, 2012

38. Dial *120*8864#, or add [email protected] and [email protected] to your Google

    Talk contact list. Friday, October 5, 2012

39. github.com/praekelt/vumi/ Join! Build apps and infrastructure to impact Africa, at

    scale. Friday, October 5, 2012

40. *120*8864# Thank You. Friday, October 5, 2012