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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