1. PPT11: System maintenance
CEN 4020
Software Engineering
PPT11: System maintenance
PPT and video are due no later than April 5, 2019
Submit to:
This template file is just an outline of the presentation
that you need to complete. Additional pages will
be necessary to fully explore the topic above.
Each page should contain adequate text as well
as illustrations. You are free to use all publicly
available information (text as well as graphics) as long as
the sources are properly acknowledged.

2. Team members’ contributions
Member [name]:

3. The changing system
Content outline:
What is maintenance?

4. The changing system Content outline: Types of systems S-system
P-system
E-system
Illustrations of all

5. The changing system Content outline: Changes during life-cycle
S-, P- and E-systems

6. Changes during software development
Content outline:
Activity from which change results

7. Changes during software development
Content outline:
Artifacts requiring change

8. System life span
Content outline:
Is maintenance really necessary?

9. System life span Content outline: Development vs. maintenance time
The 20/80 rule

10. System evolution versus system decline
Content outline:
Is it better to make changes or build a new system?

11. System evolution versus system decline
Content outline:
Decisions to replace an old system

12. System evolution versus system decline
Content outline:
Laws of software evolution

13. The nature of maintenance
Content outline:
Corrective maintenance
Adaptive maintenance
Perfective maintenance
Preventative maintenance

14. Maintenance efforts Content outline:
Corrective, adaptive, perfective and preventive
Chart

15. Maintenance problems Content outline: Staff Technical problems
Need to compromise

16. Maintenance costs Content outline: Factors affecting maintenance
Examples

17. Maintenance cost models
Content outline:
Belady-Lehman

18. Maintenance cost models
Content outline:
COCOMO II

19. Maintenance cost models
Content outline:
COCOMO II rating for software understanding

20. Measuring maintenance characteristics
Content outline:
External view
Examples

21. Measuring maintenance characteristics
Content outline:
Internal view
Examples

22. Measuring maintenance characteristics
Content outline:
The cyclomatic number
Example code and graph

23. Maintenance techniques
Content outline:
Build high quality software from the beginning

24. Maintenance techniques
Content outline:
Configuration management

25. Maintenance techniques
Content outline:
Impact analysis

26. Maintenance techniques
Content outline:
Automated maintenance tools
Examples

27. Maintenance activities
Content outline:
Chart of maintenance work flow

28. Maintenance activities
Content outline:
Horizontal traceability (chart and explanation)

29. Maintenance activities
Content outline:
Vertical traceability (chart and explanation)

30. Software rejuvenation
Content outline:
Reasons for rejuvenation
Re-documentation
Re-structuring
Reverse engineering
Re-engineering
Charts and explanations