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Who Ate My Buffer

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This presentation was given to a SW development managers audience as part of the Israeli SD managers forum with regards to SW development project management: effort estimates, performance metrics and …

This presentation was given to a SW development managers audience as part of the Israeli SD managers forum with regards to SW development project management: effort estimates, performance metrics and control

Published in Technology , Economy & Finance
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Transcript

  • 1. Who Ate My Buffer Aviram Eisenberg
  • 2. SW Development Project Statistics
    • What is the percentage of SW development projects that fail to meet the deadline?
      • More than 60%!
  • 3. The hectic world of fixed bids
    • We live (or die) by our estimates
    • One under estimate can eliminate the profit of five past projects
    • Same resources are working on several projects in parallel – Fire extinguish mode
    • New change requests are coming from the customer as the project reaches intermediate deliveries
  • 4. Multi dimension problem
    • Need to meet customer due dates
      • Time buffer
    • Need to maximize resource utilization
      • Resource buffer
    • Need to be profitable
      • Cost buffer
  • 5. Case Study - Planned Milestone 1 Milestone 2 Buff1 Buff2 T1 T2 T3 T4 T1 T2 T3 T4 Overall Project Buff3 Planned Cost Buff
  • 6. Case Study - Actual Milestone 1 Milestone 2 Buff1 Buff2 T1 T2 T3 T4 T1 T2 T3 T4 T5 T6 Overall Project Buff3 Planned Cost Buff
  • 7. Who Ate My Buffer???
    • Reminder: this is the scenario of successful project!
    • When all buffers are consumed an endless conflict of change vs. bug starts
    • This is the unsolved problem of fixed bids: How to finish a fixed priced project with win-win feeling
  • 8. Something is missing…
    • Time & Materials/Cost +
      • Low margin for the provider
      • High risk for the customer
      • High overhead for the customer
      • Due dates and budget are always missed
    • Fixed bids
      • High risk for the provider
      • Low certainty for the provider
      • High price for the customer
      • Lack of transparency to the customer
      • The endless argument of change vs. bug
  • 9. The clear box model
    • Customer pay per resource profile
    • Long term engagement
    • Series of projects
    • Define a cap for each project
      • Time cap
      • Budget cap
    • Utilize Agile methodology
      • Short delivery cycles
      • Working software
      • Manage features and not tasks
  • 10. Q&A
    • Aviram Eisenberg
    • Ignite
    • [email_address]
    • +972 52 6005161