Agility and Architecture Together – Enabling a Fast Flow of Change
summary
Argues that combining agile practices with a decoupled, modular architecture produces a measurable fast flow of change: stream‑aligned teams owning service boundaries, event‑driven asynchronous integration, small batches and tight feedback. Cites Ronnie Kohavi’s split of features into one third positive, one third negative and one third neutral to justify fast experiments. Describes a two‑year eBay velocity initiative that doubles engineering productivity and achieves 5x deployment frequency and 5x shorter lead time by investing in tests, CI/CD and platform constraints.
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chapters (23)
- 0:00Introduction
- 2:41Define the problem
- 4:43Building the Wrong Thing
- 7:59Architecture
- 8:59Building the thing right
- 9:29Stream aligned teams
- 12:01The 8020 rule
- 12:47The organizational lens
- 13:16The architecture lens
- 16:51Eventdriven communication
- 18:26Work in small steps
- 20:34Large changes are risky
- 22:20Testing is an investment
- 23:59Randys best experience with testing
- 25:51Continuous Delivery
- 27:33Evolving
- 31:28Design in 8020
- 32:17Evolving Services
- 34:08Evolving Architecture
- 36:50Amazon Architecture
- 37:59Overengineered
- 40:59Conclusion
- 41:34QA
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