Which are the Different Types of Software Maintenance?

When you have released your software application, you might think that all your work is done.

What If I say no there is more work that needs to be done to make sure your software provides the expected results and performance.

That’s where software maintenance comes into play.

When you opt for software development services, you also need to consider software maintenance.

Software maintenance is an important part of the entire software development life cycle (SDLC).

When you want the long-term success of your software product, you need to opt for software maintenance to keep your software running.

However, there are four core types of software maintenance. Each one is suitable for the particular conduction of a software product. Let’s dive into this blog post to learn about all four types of software maintenance in detail.

Table of Contents

1. Which are the Four Types of Software Maintenance?
   1. Corrective Software Maintenance
   2. Adaptive Software Maintenance
   3. Perfective Maintenance
   4. Preventive Maintenance

   Which are the Four Types of Software Maintenance?

   Let’s learn about each type of software maintenance in detail.

   Corrective Software Maintenance

   • Your software solution is developed and users might face bugs that were not discovered during the development stage.
   • You want to conduct routine system checking to detect problems which could be memory leaks, performance slowdowns, or unexpected system behaviour.
   • Your software crashes or fails suddenly and you want to find the issues and fix them.
   • You want to conduct software audits to find internal or external issues with your software product.

   Usually, corrective software maintenance helps you to resolve the issues or bugs that hinder the software to work as expected. Moreover, the process followed in corrective maintenance is problem identification, problem analysis, designing the solutions, development, testing, and documentation.

   The advantages of performing corrective maintenance are to improve the usability and performance of your software product. The frequency and urgency of the corrective maintenance depend on factors like software complexity, critical issues or bugs, and usage of your software products by end-users.

   However, each software maintenance has a different cost, typically, corrective ranges from 15-20% of costs on overall software development costs. And, the remaining three software maintenance types’ costs vary on multiple factors. Read this guide on software maintenance costs to learn in detail about cost.

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   In addition, while performing the corrective maintenance, proper documentation of crucial changes is done to keep track of changes made and for future reference or issues.

   Now, let’s learn about the second type of software maintenance which is adaptive maintenance