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Aptitude

Software Evolution

What is Software Evolution ?

Software evolution is the process of developing and updating a software for different reasons.

In software development lifecycle, there are many phases/stages where new requirements are emerged and implemented so organizations prefers changing and evolving in the software rather than making a new software product.

Software Evolution refers to :

  1. Changing in software
  2. Maintaining the software

What are the factors where changes are needed in the software ?

  • For changing the business environment.
  • New requirements are proposed during SDLC.
  • For debugging.
  • To change the procedures.
  • In adding new resources and computer systems.
  • To increase the performance of the software product.

How to maintain a software ?

  •    The software maintenance is done for increasing the system performance.
  •     To detect and correct the bugs present in the software product.
  •     Update and change in the software    

Types of software maintenance:

  1. Corrective Maintenance :: To correct any type of error present in the software product, the corrective maintenance is used.
  2. Adaptive Maintenance :: As new technology emerges, the software is updated by taking up the adaptive maintenance.
  3. Perfective Maintenance :: The object of perfective maintenance is to improve software reliability and performance and adding some new things in software product.
    4. Preventive Maintenance :: There is need of updation to prevention or correction of future errors of the software.

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