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Maintenance Basic concepts. Definition of maintenance  All changes done to software after delivery (IEEE Std 1219)  Modifications due to a problem or.

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Presentation on theme: "Maintenance Basic concepts. Definition of maintenance  All changes done to software after delivery (IEEE Std 1219)  Modifications due to a problem or."— Presentation transcript:

1 Maintenance Basic concepts

2 Definition of maintenance  All changes done to software after delivery (IEEE Std 1219)  Modifications due to a problem or need of improvement (IEEE/EIA Std 12207)  What about products in different releases over a long period?

3 Categories of maintenance CorrectionEnhancement ProactivePreventivePerfective ReactiveCorrectiveAdaptive

4 Process Change request Identification Classification Time stamp Impact analysisUnderstanding Requirements analysis Design Implementation Tests at different levels Configuration management Delivery Scheduling Postponed Refused Decision Answer

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