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Predictable Projects in an Unpredictable World

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Find ways to use explicit buffers to make project schedules more predictable and faster. In the past, the only way to make schedules dependable was to stretch the schedule. By applying some ideas from Critical Chain Project Management, you can make schedules both more dependable and faster.

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© 2009 Silver Streak Partners LLC all rights reserved Predictable Projects in an Unpredictable World John Farnbach Silver Streak Partners LLC john@silverstreakpartners.com Dynamic Resource Management
Silver Streak Partners LLC © 2009 all rights reserved The Orthodoxy of the Plan Plan your work and Work your plan
Silver Streak Partners LLC © 2009 all rights reserved Orchestrates task interactions well... Deterministic Planning … But planning can’t eliminate variance.
Silver Streak Partners LLC © 2009 all rights reserved Cost of Predictability Predictability Variance Inflexibility
Silver Streak Partners LLC © 2009 all rights reserved Variance A B C A B C A B C A B C A B C A B C
Silver Streak Partners LLC © 2009 all rights reserved Deterministic planning doesn’t work in an unpredictable world.
Silver Streak Partners LLC © 2009 all rights reserved Wait a Minute!! Shorter and more dependable?? Schedule stretch Dependable Deterministic DRM
Silver Streak Partners LLC © 2009 all rights reserved Dynamic Resource Mangement Explicit schedule buffers
Silver Streak Partners LLC © 2009 all rights reserved Project Management Tasks: reasonable best case All will not complete on time Buffers: critical resource Track buffer consumption Strive to save buffers, but use when neededStrive to save buffers, but use when needed
Silver Streak Partners LLC © 2009 all rights reserved Resource Tracking Rebalance Gold Blue New Project %Buffer/schedule
Silver Streak Partners LLC © 2009 all rights reserved DRM makes schedules shorter and more predictable. How do you plan a DRM project?
Silver Streak Partners LLC © 2009 all rights reserved Measurable Tasks Underestimate effort Status biased by hope Realistic estimates Unbiased status
Silver Streak Partners LLC © 2009 all rights reserved Placing Buffers Fewer is better Statistical aggregation Less confusion Multiple buffers? Buffer external deliverables Specific risks
Silver Streak Partners LLC © 2009 all rights reserved Sizing Buffers Resource management Project priority Business forecast Project & planning Technical risk Planning variance
Silver Streak Partners LLC © 2009 all rights reserved DRM takes careful attention to planning What are the problems?
Silver Streak Partners LLC © 2009 all rights reserved Multi-Tasking Multi-tasking Uni-tasking Amy? Gold Blue
Silver Streak Partners LLC © 2009 all rights reserved Pitfalls Buffer addiction Plan responsibly Old management habits New performance model Respect for buffers Squandering buffers Resist unmerited work
Silver Streak Partners LLC © 2009 all rights reserved John Farnbach john@silverstreakpartners.com Silver Streak Partners LLC www.silverstreakpartners.com Blog: http://silverstreakpartners.com/BetterNPD/ Questions & Discussion

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Predictable Projects in an Unpredictable World

  • 1. © 2009 Silver Streak Partners LLC all rights reserved Predictable Projects in an Unpredictable World John Farnbach Silver Streak Partners LLC john@silverstreakpartners.com Dynamic Resource Management
  • 2. Silver Streak Partners LLC © 2009 all rights reserved The Orthodoxy of the Plan Plan your work and Work your plan
  • 3. Silver Streak Partners LLC © 2009 all rights reserved Orchestrates task interactions well... Deterministic Planning … But planning can’t eliminate variance.
  • 4. Silver Streak Partners LLC © 2009 all rights reserved Cost of Predictability Predictability Variance Inflexibility
  • 5. Silver Streak Partners LLC © 2009 all rights reserved Variance A B C A B C A B C A B C A B C A B C
  • 6. Silver Streak Partners LLC © 2009 all rights reserved Deterministic planning doesn’t work in an unpredictable world.
  • 7. Silver Streak Partners LLC © 2009 all rights reserved Wait a Minute!! Shorter and more dependable?? Schedule stretch Dependable Deterministic DRM
  • 8. Silver Streak Partners LLC © 2009 all rights reserved Dynamic Resource Mangement Explicit schedule buffers
  • 9. Silver Streak Partners LLC © 2009 all rights reserved Project Management Tasks: reasonable best case All will not complete on time Buffers: critical resource Track buffer consumption Strive to save buffers, but use when neededStrive to save buffers, but use when needed
  • 10. Silver Streak Partners LLC © 2009 all rights reserved Resource Tracking Rebalance Gold Blue New Project %Buffer/schedule
  • 11. Silver Streak Partners LLC © 2009 all rights reserved DRM makes schedules shorter and more predictable. How do you plan a DRM project?
  • 12. Silver Streak Partners LLC © 2009 all rights reserved Measurable Tasks Underestimate effort Status biased by hope Realistic estimates Unbiased status
  • 13. Silver Streak Partners LLC © 2009 all rights reserved Placing Buffers Fewer is better Statistical aggregation Less confusion Multiple buffers? Buffer external deliverables Specific risks
  • 14. Silver Streak Partners LLC © 2009 all rights reserved Sizing Buffers Resource management Project priority Business forecast Project & planning Technical risk Planning variance
  • 15. Silver Streak Partners LLC © 2009 all rights reserved DRM takes careful attention to planning What are the problems?
  • 16. Silver Streak Partners LLC © 2009 all rights reserved Multi-Tasking Multi-tasking Uni-tasking Amy? Gold Blue
  • 17. Silver Streak Partners LLC © 2009 all rights reserved Pitfalls Buffer addiction Plan responsibly Old management habits New performance model Respect for buffers Squandering buffers Resist unmerited work
  • 18. Silver Streak Partners LLC © 2009 all rights reserved John Farnbach john@silverstreakpartners.com Silver Streak Partners LLC www.silverstreakpartners.com Blog: http://silverstreakpartners.com/BetterNPD/ Questions & Discussion