1. Maintenance Issues in Software Engineering
Praveen Chandra Kidambi

2. What is Software Maintenance?
Is maintenance a post-delivery process only?
Is maintenance expensive?

3. Categories of software maintenance
Corrective
Adaptive
Perfective
Preventive
Emergency maintenance
Enhancements

4. Maintenance activities
Defect repairs
Error-prone module removal
Customer support
Code restructuring
Migration across platforms
Conversion to new architectures
Performance optimization
Mandatory changes
Enhancements

5. Maintenance process models
Quick-fix model
Evolutionary life cycle model
Full-reuse model

6. Phases in software maintenance
Problem or modification identification
Analysis
Design
Implementation
Regression testing
Acceptance testing
Delivery

7. Maintenance management
Planning
Organizing
Staffing
Leading
Controlling

8. Maintenance organizations
Functional organization
Project organization
Matrix organization

9. Maintenance processes
Reverse engineering
Reengineering
Forward engineering

10. Thank you