Once in operation, anomalies are uncovered, operating environments change, and new user requirements surface. The maintenance phase of the lifecycle commences upon delivery, but maintenance activities occur much earlier. SWEBOK decomposes this knowledge area into fundamentals, key issues, the maintenance process, and techniques.
Software Maintenance (10)
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- Maintenance is the modification of a software product after delivery to correct faults, improve performance, or other product attributes, or to adapt the product to a new or changing environment. This topic area provides resources relevant to all aspects of software maintenance.
In various studies prior to 2003, maintenance costs were observed to consume from 50% to 80% of total life cycle costs, and typically consumed 65% to 75% of total life cycle costs.
DACS Gold Practice Initiative
