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Lean Software Development
This document discusses lean software development principles. It introduces agile software development processes and the agile manifesto. Lean software development is then discussed, which comes from the Toyota Production System and uses a set of principles and tools to achieve quality, speed and customer alignment. The 7 principles of lean thinking are outlined: 1) eliminate waste, 2) amplify learning, 3) decide as late as possible, 4) deliver as fast as possible, 5) empower the team, 6) build integrity in, and 7) see the whole. Each principle is then explained in more detail with examples related to software development.
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Lean Software Development
- 1. Lean Software Development Principles OsellusAsia Pacific Co.,Ltd.
- 2. Think Big, ActSmall, Fail Fast, Learn Rapidly
- 3. Outline •Agile Software DevelopmentProcess •The Agile Manifesto •Lean Software Development •The 7 Principles
- 4. Agile Software DevelopmentProcess •Why need process to develop a software? •Why Agile? •Speed •Welcome changes •Collaboration
- 5. The Agile Manifesto Individualsand interactions over processes and tools Working software over comprehensive documentation Customer collaboration over contract negotiation Responding to change over following a plan
- 6. Lean Software Development •Itcomes from Toyota Production System •It is a set of principles and toolset •It promise to achieve quality, speed, customer alignment
- 7. The 7 principlesof Lean Thinking 1. Eliminate Waste 2. Amplify Learning 3. Decide as Late as possible 4. Deliver as Fast as possible 5. Empower the Team 6. Build Integrity In 7. See the Whole
- 8. #1 Eliminate Waste src:https://www.flickr.com/photos/jritch/4677818858/
- 9. 7 Principles: EliminateWaste •What is waste? •Anything that doesn’t add value to product •Software Development Waste •Partially done work •Extra Processes •Extra Features •Task Switching •Waiting •Motion •Defect •Management Activities
- 10. #2 Amplify Learning src:https://ec.europa.eu/epale/en/blog/learning-styles-and-didactics-adult-learning
- 11. 7 Principles: AmplifyLearning •Developing software is about learning •Software Design is a problem solving process •Short iteration speed up the learning process Write unit test -> coding -> refactoring -> integration testing -> customer feedback
- 12. #3 Decide asLate as Possible src: http://www.middlemarketcenter.org/author/dorie-clark
- 13. 7 Principles: Decideas Late as Possible •Software Development is about uncertainty •There are many answer to one question •Let customer see the product fast, let them decide it, the answer will come back later •You can’t predict the future! Keep the flexibility
- 14. #4 Deliver asFast as Possible src: http://www.motor16.com/fotos/galerias/imagenes-gp-espana-f1-2015/gp-espana-f1-2015-vettel-alonso/
- 15. 7 Principles: Deliveras Fast as Possible •Everyone like rapid delivery •Rapid delivery = customer see is it what they asked for first •Pull System: Kanban
- 16.
- 17. Kanban Software: GitLabKanban Board
- 18.
- 19. #5 Empower theTeam src: https://www.youtube.com/watch?v=5Z1Ea2Mg4c4
- 20. 7 Principles: Empowerthe Team •Find good people and let them do their job •People are not resource, they need motivation
- 21. #6 Build IntegrityIn src: https://www.walldevil.com/102098-clocks-gears-gold-photography-clockwork.html
- 22. 7 Principles: BuildIntegrity In •Perceive Integrity •Customer experience with a system •Conceptual Integrity •Flexibility •Maintainability •Efficiency •Responsiveness
- 23. #7 See theWhole src: http://www.pdac.co.uk/wp-content/uploads/2012/03/how-puzzle.jpg
- 24. 7 Principles: Seethe Whole •Software Product != sum of its part •Think about affected areas when fix defects / add new features •Optimization
- 25. Resources Learn more aboutLSD Read this book
- 26.