WIP Limit and Lead Time

About this app

A Kanban board with analysis, development and testing, day by day: cards with number and start day move across the board, people (1/3/1) work on the oldest cards, and a queue forms in front of the testing bottleneck. The WIP limit (none down to 2) is a pull rule with a gauge, next to a cumulative flow diagram with measuring lines. Without a limit throughput 0.5 and a lead time of 26 days; with limit 5 still 0.5, but 10 days. Little's Law, plus a switch to let developers help with testing.

Subject: Software engineering

More from Software engineering

• Class Diagram and Code in Sync
• Tests as a Safety Net
• Token Game in Activity Diagrams
• Trust, but Verify
• Waterfall or Agile?

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