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A CASE FOR PRIORITY

A CASE FOR PRIORITY. Larry Fellows - Honeywell, Inc. and Ivy Hooks - Compliance Automation Inc. Resources. Requirements. Prioritizing Requirements. Everybody does it - usually too late Need to do it early - when there are options. Typical Project Progress. Percent Complete.

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A CASE FOR PRIORITY

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  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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