1. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved A CASE FOR PRIORITY Larry Fellows - Honeywell, Inc. and Ivy Hooks - Compliance Automation Inc

2. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 2 Prioritizing Requirements F Everybody does it - usually too late F Need to do it early - when there are options Resources Requirements

3. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 3 Typical Project Progress Percent Complete

4. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 4 Forced Priorities Percent Complete Real Priority Req A - 1 Req B - 3 Req C - 1 Req D - 2 Req E - 3 Forced Priority Req A - 3 Req B - 1 Req C - 1 Req D - 3 Req E - 1 Typical Project Progress

5. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 5 Requirement Reality New absolutely necessary Requirement

6. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 6 Out of Sync Development

7. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 7 Options versus Time

8. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 8 Benefits of Prioritizing Early F Have real options F Ensures that effort and resources are focused on the essential requirements F Useful when resolving requirement conflicts F Useful when planning phased deliveries F Required to determine which requirements can be delayed or deleted

9. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved What is Prioritization?

10. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 10 Prioritization means Classifying essential useful desirable non-negotiable negotiable flexible right now a little later someday 123123

11. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 11 Prioritization Example 1 essential useful desirable 123123 Operate in Windows 95 environment Mouse and hot key for all functions User can define hot keys

12. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 12 Prioritization Example 2 non-negotiable negotiable flexible 123123 read data every 4 msec provide data on screen within 1 second of command allow sort data on any parameter

13. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 13 Prioritization Example 3 right now a little later someday 123123 single platform networked multiple platforms

14. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved How to determine priorities

15. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 15 Prioritization Steps F Gather Prioritization Data F Assess Prioritization Data F Resolve Differences

16. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 16 Gather Prioritization Data F Sell prioritization benefits F Define the 1, 2, 3’s F Let stakeholders classify requirements F Do internal classification

17. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 17 Define 1, 2, 3’s 123123 essential useful desirable

18. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 18 Problem F Need a new thermostat F Honeywell has family of thermostats with different features F Thermostats labeled good, better, best F Chose thermostat that meets our needs at a price we are willing to pay

19. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 19 Thermostat Features F Control heating to temperature  degrees F Control cooling to temperature  degrees F Programmable for weekday, Saturday, and Sunday F Four temperature settings daily F Hold at temperature (override program) F Fan control run continuously or auto F Automatic switch between heat and air conditioning F Clock display F Display settings F Battery backup F Low battery indicator

20. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 20 Assess Priority Data 1 2 3 A B C D A B C D A B C D

21. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 21 Resolve Differences D D D B B B D D D B B B Negotiate Agree

22. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 22 Prioritization Considerations F Must involve all stakeholders F All requirements cannot be essential F Try to get agreement on prioritization informally F As analysis and design evolve, review and adjust priorities

23. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 23 QFD F large and complex F many customers/users F very big differences in priorities from different viewpoints

24. Copyright  1998 Honeywell Inc. And Ivy Hooks All rights reserved 24 Summary Resources Requirements Limited Time Money Skills Too many Reqt Changing Reqt Unsynced Reqt 1 23 Time