What is Software Maintenance?

Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes. The key software maintenance issues are both managerial and technical. Key management issues are alignment with customer priorities, staffing, which organisation does maintenance, estimating costs. Key technical issues are: limited understanding, impact analysis, testing, maintainability measurement. Software Maintenance Processes Following are some of the software maintenance processes

  • The implementation process contains software preparation and transition activities, such as the conception and creation of the maintenance plan, the preparation for handling problems identified during development, and the follow-up on product configuration management.
  • The problem and modification analysis process, which is executed once the application has become the responsibility of the maintenance group. The maintenance programmer must analyse each request, confirm it (by reproducing the situation) and check its validity, investigate it and propose a solution, document the request and the solution proposal, and finally, obtain all the required authorizations to apply the modifications.
  • The process considering the implementation of the modification itself.
  • The process acceptance of the modification, by confirming the modified work with the individual who submitted the request in order to make sure the modification provided a solution.
  • The migration process (platform migration, e.g., is exceptional, and is not part of daily maintenance tasks. If the software must be ported to another platform without any change in functionality, this process will be used and a maintenance project team is likely to be assigned to this task.
  • Finally, the last maintenance process, also an event which does not occur on a daily basis, is the retirement of a piece of software.

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