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The Case for Priority: Prioritizing Requirements for Successful Projects

Learn why prioritizing requirements early is crucial for project success, with examples, steps, and considerations for effective prioritization. Resources are limited, so focusing on essential requirements is key.

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The Case for Priority: Prioritizing Requirements for Successful Projects

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Presentation Transcript

  1. A CASE FOR PRIORITY Larry Fellows - Honeywell, Inc. and Ivy Hooks - Compliance Automation Inc

  2. Resources Requirements Prioritizing Requirements • Everybody does it - usually too late • Need to do it early - when there are options

  3. Typical Project Progress Percent Complete

  4. Forced Priorities Forced Priority Req A - 3 Req B - 1 Req C - 1 Req D - 3 Req E - 1 Real Priority Req A - 1 Req B - 3 Req C - 1 Req D - 2 Req E - 3 Typical Project Progress Percent Complete

  5. Requirement Reality New absolutely necessary Requirement

  6. Out of Sync Development

  7. Options versus Time

  8. Benefits of Prioritizing Early • Have real options • Ensures that effort and resources are focused on the essential requirements • Useful when resolving requirement conflicts • Useful when planning phased deliveries • Required to determine which requirements can be delayed or deleted

  9. What is Prioritization?

  10. essential useful desirable Prioritization means Classifying right now a little later someday 1 2 3 non-negotiable negotiable flexible

  11. essential useful desirable Prioritization Example 1 Operate in Windows 95 environment Mouse and hot key for all functions User can define hot keys 1 2 3

  12. non-negotiable negotiable flexible Prioritization Example 2 read data every 4 msec provide data on screen within 1 second of command allow sort data on any parameter 1 2 3

  13. right now a little later someday Prioritization Example 3 single platform networked multiple platforms 1 2 3

  14. How to determine priorities

  15. Prioritization Steps • Gather Prioritization Data • Assess Prioritization Data • Resolve Differences

  16. Gather Prioritization Data • Sell prioritization benefits • Define the 1, 2, 3’s • Let stakeholders classify requirements • Do internal classification

  17. Define 1, 2, 3’s 1 2 3 essential useful desirable

  18. Problem • Need a new thermostat • Honeywell has family of thermostats with different features • Thermostats labeled good, better, best • Chose thermostat that meets our needs at a price we are willing to pay

  19. Thermostat Features • Control heating to temperature  degrees • Control cooling to temperature  degrees • Programmable for weekday, Saturday, and Sunday • Four temperature settings daily • Hold at temperature (override program) • Fan control run continuously or auto • Automatic switch between heat and air conditioning • Clock display • Display settings • Battery backup • Low battery indicator

  20. A B C D Assess Priority Data A A B B C C D D 1 3 2

  21. D B B D B D Resolve Differences Negotiate D B B D Agree B D

  22. Prioritization Considerations • Must involve all stakeholders • All requirements cannot be essential • Try to get agreement on prioritization informally • As analysis and design evolve, review and adjust priorities

  23. QFD • large and complex • many customers/users • very big differences in priorities from different viewpoints

  24. Resources Requirements Summary Too many Reqt Changing Reqt Unsynced Reqt Limited Time Money Skills 2 3 1 Time

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