Scrum to Scrumban Migration

1. Scrum to Scrumban
Confessions of a Kanban Virgin
Chris Pitts
Thursday, 11 March 2010

2. Scrum to Scrumban
• How things were working & the
problems
• How to change
• Pros and Cons
• What next?
Thursday, 11 March 2010

3. The starting point
1 week
Thursday, 11 March 2010

4. A typical week
•Every day
standup
•Every week
Stakeholder demo
Retrospective
Planning Game
Thursday, 11 March 2010

5. Thursday, 11 March 2010

6. Thursday, 11 March 2010

7. Q. How many columns?
Thursday, 11 March 2010

8. Q. What are our WIP Limits?
• 6 developers, 1 QA
• Interested in limited pairing
• Need to find the “Goldilocks Value”
Thursday, 11 March 2010

9. Option 1 - 7 in flight
Thursday, 11 March 2010

10. Option 2 - 4 in flight
Thursday, 11 March 2010

11. Option 2 - 4 in flight
Thursday, 11 March 2010

12. The Initial Board
Thursday, 11 March 2010

13. Problems! WIP Violation
Thursday, 11 March 2010

14. Problems! WIP Violation
Thursday, 11 March 2010

15. Problems! BLOCKED!
Thursday, 11 March 2010

16. Problems! BLOCKED!
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17. Cycle Time
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18. Cycle Time
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19. Evolution
Thursday, 11 March 2010

20. Side Effects
• Weekly stakeholder demos retained
• Weekly retrospectives retained
• Team and Product Owner
conversations happened naturally &
frequently
Thursday, 11 March 2010

21. Side Effects
• Weekly stakeholder demos retained
• Weekly retrospectives retained
• Team and Product Owner
conversations happened naturally &
frequently
• Confusion over how to explain to
external Gantt chart fetishists...
Thursday, 11 March 2010

22. Natural Evolution
• Instead of holding weekly formal
retrospectives, retrospect and fix
problems as they happen.
“KAIZEN”
Thursday, 11 March 2010

23. Where are they now?
Thursday, 11 March 2010

24. Questions?
Thursday, 11 March 2010

25. Thursday, 11 March 2010