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Showing posts with the label lead-time

Applying Little's fLaw to Software Development

Concept of Product Development Flow "I believe that the dominant paradigm for managing product development is fundamentally wrong.  Not just a little wrong, but wrong to its very core.  It is as wrong as we were in manufacturing, before the Japanese unlocked the secret of lean manufacturing.  I believe that a  new paradigm is emerging, one that challenges the current orthodoxy of product development."  -- Donald Reinertsen Reinertsen goes beyond the advance ideas of lean manufacturing, what he calls Flow-Based Product Development. Scrum was sparked by a paper called The New New Product Development Game by  Hirotaka Takeuchi and Ikujiro Nonaka (1986).  Are you seeing a synergy of ideas? Lean principle of Flow In the manufacturing world Toyota exemplifies the achievements one may obtain in 50 years of practicing a new mindset of principles.  Manufacturing deals with repetitive tasks predictable processes to produce component parts, hom...

Cycle Time and Lead Time

Our organization is starting to talk about measuring Cycle Time and Lead Time on our software engineering stories.  It's just an observation, but few people seem to understand these measurement concepts, but everyone is talking about them.  This is a bad omen...  wish I could help illustrate these terms.  Because I doubt the measurements will be very accurate if the community doesn't understand when to start the clock, and just as important - when to stop it. [For the nature of confusion around this terms compare and contrast these:   Agile Alliance Glossary ; Six Sigma ; KanbanTool.com ; Lean Glossary .] The team I'm working with had a toy basket ball goal over their Scrum board...  like many cheep toys the rim broke.  Someone bought a superior mini goal, it's a nice heavy quarter inch plastic board with a spring loaded rim - not a cheep toy.  The team used "Command Strips" to mount it but they didn't hold for long. The team convinced me th...