Amazon Simple Workflow (SWF) is a new cloud-based workflow management service from Amazon. SWF is designed to build scalable, resilient applications, model and automate business processes, manage infrastructure services and build analytics pipelines. In this session we introduce SWF and walk through some real world use cases and examples.

1. Amazon
Simple Workflow
Launched yesterday!

2. Build, process and
manage workflows

3. Workflows?

4. Managing infrastructure
Business process Analytics pipelines
Workflows?

5. Managing infrastructure
Business process Analytics pipelines
Workflows?
Applications

6. Register billing Create
details account
New customer
Register address Validate billing
details

7. Synchronous
Register billing Create
details account
New customer
Register address Validate billing
details
Asynchronous

8. Billing Account
registration creation
Q1 Q2 Q3
New customer
Address Billing
registration validation

9. Ordering and
dependencies

10. Duplication of messages

11. Recording metadata

13. Undifferentiated
heavy lifting

14. Enter SWF!

15. Designed for the cloud

16. Scalable, resilient
applications

17. Complex business
processes

18. Easy to use

19. Flexible

20. Task orchestration

21. Managed
Based on application logic

22. Dependencies
Task execution
Managed
Based on application logic
Concurrency
Scheduling

23. Zero administration
No hardware of software to admin for orchestration

24. Vocabulary
Domain
Workflow
Action
Activity workers
Decider

25. Vocabulary
Collection of workflows Domain
Workflow
Action
Activity workers
Decider

26. Vocabulary
Domain
Workflow Collection of actions
Action
Activity workers
Decider

27. Vocabulary
Domain
Workflow
Task or workflow step Action
Activity workers
Decider

28. Vocabulary
Domain
Workflow
Action
Activity workers Implement actions
Decider

29. Vocabulary
Domain
Workflow
Action
Activity workers
Coordinate workflow Decider
actions

37. Clean separation
Decoupled task logic from application flow

38. Scale
Workers and deciders are stateless

39. Signals and errors
Configurable timeouts and out-of-band signalling.
Markers for checkpointing.

46. PAYG

47. Pricing
$0.0001 per workflow
$0.000005 per day for > 24 hours
$0.000025 per task, signal or marker
$0.10 for first Gb inbound
First Gb out is free, normal AWS usage after that

48. Free tier
1000 workflow executions
10,000 tasks, timers, signals and markers
30,000 workflow-days

49. Flow Framework
Abstraction for Java

53. Left image Right image
Warp Warp
Stereo match
3D map
Tiling

55. Q&A
matthew@amazon.com