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© 2009 Silver Streak Partners LLC all rights reserved
Predictable Projects
in an Unpredictable World
John Farnbach
Silver ...
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 ...
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
Depen...
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...
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 ...
Silver Streak Partners LLC
© 2009 all rights reserved
Measurable Tasks
Underestimate effort
Status biased by hope
Realisti...
Silver Streak Partners LLC
© 2009 all rights reserved
Placing Buffers
Fewer is better
Statistical aggregation
Less confusi...
Silver Streak Partners LLC
© 2009 all rights reserved
Sizing Buffers
Resource
management
Project priority
Business forecas...
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...
Silver Streak Partners LLC
© 2009 all rights reserved
John Farnbach
john@silverstreakpartners.com
Silver Streak Partners L...
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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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Predictable Projects in an Unpredictable World

  1. 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. 2. Silver Streak Partners LLC © 2009 all rights reserved The Orthodoxy of the Plan Plan your work and Work your plan
  3. 3. Silver Streak Partners LLC © 2009 all rights reserved Orchestrates task interactions well... Deterministic Planning … But planning can’t eliminate variance.
  4. 4. Silver Streak Partners LLC © 2009 all rights reserved Cost of Predictability Predictability Variance Inflexibility
  5. 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. 6. Silver Streak Partners LLC © 2009 all rights reserved Deterministic planning doesn’t work in an unpredictable world.
  7. 7. Silver Streak Partners LLC © 2009 all rights reserved Wait a Minute!! Shorter and more dependable?? Schedule stretch Dependable Deterministic DRM
  8. 8. Silver Streak Partners LLC © 2009 all rights reserved Dynamic Resource Mangement Explicit schedule buffers
  9. 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. 10. Silver Streak Partners LLC © 2009 all rights reserved Resource Tracking Rebalance Gold Blue New Project %Buffer/schedule
  11. 11. Silver Streak Partners LLC © 2009 all rights reserved DRM makes schedules shorter and more predictable. How do you plan a DRM project?
  12. 12. Silver Streak Partners LLC © 2009 all rights reserved Measurable Tasks Underestimate effort Status biased by hope Realistic estimates Unbiased status
  13. 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. 14. Silver Streak Partners LLC © 2009 all rights reserved Sizing Buffers Resource management Project priority Business forecast Project & planning Technical risk Planning variance
  15. 15. Silver Streak Partners LLC © 2009 all rights reserved DRM takes careful attention to planning What are the problems?
  16. 16. Silver Streak Partners LLC © 2009 all rights reserved Multi-Tasking Multi-tasking Uni-tasking Amy? Gold Blue
  17. 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. 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

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