Read first
- Delivery lifecycles versus product lifecycle
- Explore: delivery life-cycle options
- Expand: delivery life-cycle options
Extract
"The shape of the problem and solution spaces are clear"
"...delivering the service at lower cost" - Kent Beck
A
good Extract phase supposes an already optimized process, where some of
these lifecycles could be predominant
- Lean
- Working software is produced faster than one-week iteration
- Not very small releases
- Continuous Delivery Agile
- Releases and iterations will become smaller, but we will still have iterations
- Inception is short ~ an activity, not a phase (fast clarification for requirement & solution)
- Transition is short; we rely on TDD, continuous integration, continuous deployment, DevOps
- Continuous Delivery Lean
- Similar to CD Agile, but we produce the working software faster (no iterations)
- Often (e.g. daily) releases
Other options
- Agile Basic - could be an alternative for these cases
- we need longer envisioning & still have bottlenecks
- we not have optimized enough the process
- Exploratory Lean Startup
- investments in experiments are usually recommended at the end of the product lifecycle
- it is ok if is the start of a new Explore/Expand/Extract life-cycle of a new or re-invented product
References
- Explore, Expand, Extract paper diagram ordered/received from Kent Beck
- [B-Beck] – Product development triathlon
- https://www.facebook.com/notes/kent-beck/the-product-development-triathlon/1215075478525314/
- https://medium.com/@kentbeck_7670/the-product-development-triathlon-6464e2763c46
- [DA-LC] - Full delivery lifecycles.
- [DA-PAE] Disciplined Agile - Prove architecture early
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