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Drink Lean from the source At Agile Roots 2014

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"Drink Lean from the Source" at Agile Roots 2014

"Drink Lean from the Source" at Agile Roots 2014

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  • 小さな開発サイクルで動くものを作り、それを繰り返してだんだんと成長させていくのが
    XPの開発スタイル。
    1回目のリリース以外はすべて保守リリース(バージョンアップ)ということになる。
    何度もリリースすることを前提としたアーキテクチャを採用する。
  • Transcript

    • 1. Drink Lean From the Source Kenji Hiranabe By Yasunobu Kawaguchi
    • 2. Kenji HIRANABE(1/2) • (co-)Translator of … OO, UML books Mind Map book XP/ Agile books • (co-)Author of … C++ book Scrum book Agile and Scrum: Collaborative Software Development That Connects Customers, Engineers and Management
    • 3. Kenji HIRANABE(2/2) • CEO of Astah.net. • astah – UML editor – With Mind Map, ERD, SysML – http://astah. net/ – Runs on • PC, Mac, Linux, iPad
    • 4. Seeing is understanding.Seeing is understanding.4 Agile Japan 2009 Satoshi Kuroiwa Mary Poppendieck
    • 5. Seeing is understanding.Seeing is understanding.5 ““Fearless Change”,Fearless Change”, Linda RisingLinda Rising Agile Japan 2011
    • 6. http://www.publickey1.jp/blog/11/10_innovation_sprint_2011.html Innovation Sprint 2011 Jeff Sutherland Ikujiro Nonaka me
    • 7. Toyota Production System Lean Lean Software Development Kanban Lean Startup Agile Scrum XP The New New Product Development Game Four steps to the epiphany Agile and Lean Startup Patterns Manufacturing Industry in Japan 2013 Yasunobu Kawaguchi 1 2
    • 8. Video of Factory Reconstruction
    • 9. A Video of Factory Reconstruction • Explain by a Mind Map (5 parts) 1. Waste 2. Change 3. Conflict 4. Yatai 5. Kaizen • Share findings, ideas
    • 10. Yatai (or Hotdog Stand)
    • 11. What is WIP ?
    • 12. Analysis Design Implement Test Time Time Scope ScopeWaterfall Scrum ScopeKanban WIP WIPWIP Time Lead TimeLead Time Lead Time Little’s Law :  WIP = Lead Time(Time to completion) x Throughput(productivity) Smaller WIP -> Little waste and more. If Throughputs are the same, Smaller WIP reduces LeadTime …-> Faster Delivery Average throughputs are the same 365 req./year 30 req./month 1 req./day
    • 13. Video!
    • 14. ……
    • 15. ……
    • 16. ……
    • 17. ……
    • 18. l e a n20 Three Stonecutters were asked: “What are you doing?” What are You Building? Jun 22, 201420 Copyright©2007 Poppendieck.LLCJun 22, 201420 I’m cutting stones! I’m earning a living. I’m building a cathedral.
    • 19. l e a n21 Cathedral Builders Move responsibility and decision-making to the lowest possible level. The Litmus Test: When workers are annoyed by their job – Do they complain, ignore it, or fix it? Jun 22, 201421 Copyright©2007 Poppendieck.LLC Stone Cutters or Cathedral Builders?
    • 20. • Scientific Management – There is “One Best Way” Managers Plan on Desk. Workers Do it. • Lean – Do it and Think for Yourself Think Do “Lean is scientific management where the scientists are the first line workers.” -- John Shook Command Control Kaizen Workers Do and Think for themselves. Managers help workers do and think. Think Do
    • 21. Seeing is understanding.Seeing is understanding.26 Seeing is Understanding.

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