Software change - ESSeRE

Software change - ESSeRE

Types of maintenance

Corrective: maintenance for fault repair

Adaptive: adapting to a new requirements or

a new environment

Perfective: perfecting the sw by

implementing new requirements or

maintaining the system by improving its

structure and its performance

Preventive: activities aimed at increasing

system maintainability

©Ian Sommerville 2004 Software Engineering, 7th edition. Chapter 21 Slide 14

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