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Maintenance and Support (Costs (Increases as software is continuously…
Maintenance and Support
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Types of maintenance
Perfective
Making improvements (efficiency, functionality, addition or modification.
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Costs
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Separation of dev and maintenance teams could mean there is no incentive to produce maintainable systems
Maintenance staff have limited domain knowledge, and are often less experienced.
Maintenance statuses
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Servicing - no new functionality is added, but bug fixes and change to reflex changes to the software's environment are undertaken.
Phase-out. Software may be in use, but no further change are made to it.
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Implementing change
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Impact analysis
Understand the As-is ,and how the proposed change might affect the system.
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Urgent Change requests
May have to be implemented without going through all the stages of the software engineering process.
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