Reduce WIP and Deliver Often: Kanban Recipe for Success Steps 2 and 3
1. Reduce WIP and Deliver
Often
Kanban Recipe for Success: Step Two and Three
Jason Yip
j.c.yip@computer.org
jcyip@thoughtworks.com
@jchyip
http://jchyip.blogspot.com
4. The Recipe for Success
1. Focus on Quality
2. Reduce WIP
3. Deliver Often
4. Balance Demand Against Throughput
5. Prioritise
6. Attack Variability to Improve Predictability
6. Which one is better?
Team A:
95% utilisation
Team B:
75% utilisation
5-10 day lead time
2-3 defects per
100 features
3 month lead time
2 defects per feature
7. Focus on what customers care
about OVER what (bad) managers
care about
Utilisation!
Quality,
Lead Time
19. Which approach will be more
successful? Why?
First date
Wait 2
weeks
SMS on the way
home “Call you
tomorrow?”
Show up with
flowers and an
apology
Call
tomorrow
20. “…small, frequent gestures or
events enhance trust more than
larger gestures made only
occasionally.”
David Anderson
21. Which approach will be more
successful? Why?
Successful
Release
Wait 6
months
Plan another
release in 2 weeks
Attempt
another large
release
Release in
2 weeks
22. Shorter lead times (from reducing
WIP) make it possible to release
more often