Lean Software Development

Origen
1. Iniciado en la industria japonesa
2. Adaptado del Toyota Production System
  1. Taiichi Ohno
    1. Just-in-time Flow
    2. Autonomation (Jidoka)
  2. Shigeo Shingo
    1. Nonstock production
    2. Zero Inspection
3. Traslado a la manufactura Lean al desarrollo de software
4. Originado del libro "Lean Software Development"
  1. Mary y Tom Poppendieck
Lean Thinking
1. Value
2. Eliminate waste
3. Continuous Flow
4. Pull
5. Perfection
Principios
1. Eliminate waste
  1. Ohno
    1. TPS = Absolute elimination of waste
  2. Waste
    1. Anything that does not add value
  3. Value Stream Mapping
  4. Seeing waste
    1. Partially done work
      1. Tendency to become obsolete
    2. Extra processes
      1. Paperwork
    3. Extra features
      1. YAGNI
    4. Task switching
      1. Multitasking
    5. Waiting
      1. Delays
    6. Motion
      1. Documents
    7. Defects
      1. Bugs
  5. Myth: Early specification reduces waste
2. Build quality in
  1. Shingo
    1. 2 kinds of inspection
      1. After defects occur
      2. Prevent defects
  2. Refactoring
  3. Testing
  4. Myth: Job of testing is to find defects
3. Create Knowledge
  1. Feedback
  2. Iterations
  3. Myth: Predictions create predictability
4. Decide as late as posible
  1. Eisenhower
    1. Plans are useless, planning is indispensable
  2. The last responsible moment
  3. Myth: Planning is commitment
5. Deliver as fast as posible
  1. Pull Systems
  2. Queuing theory
    1. Theory of Constraints
  3. Cost of delay
  4. Myth: Haste makes waste
6. Empower the team
  1. Self determination
  2. Motivation
    1. Belonging
    2. Safety
    3. Competence
    4. Progress
  3. Leadership
  4. Expertise
  5. Myth: There is one best way
7. See the whole
  1. Systems Thinking
  2. Myth: Optimize by decomposition
Referencias
1. Lean Software Development, Tom & Mary Poppendieck
2. Womack J, Lean Thinking, Free Press 2003
3. http://en.wikipedia.org/wiki/Lean_software_development
4. http://www.slideshare.net/jchyip/lean-software-development-on-radiators-and-refrigerators-presentation
5. http://www.slideshare.net/gcaprio/intro-to-lean-software-development
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