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
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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
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21. Deferred() Future Promise Friday, October 5, 2012
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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
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38. Dial *120*8864#, or add wikipediavumi@gmail.com and wikipediavumitest@gmail.com 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