Legacy Software Modernization: Cost, Benefits and Implementation

Apoorv Gehlot
9 min readMay 2, 2023

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Do you remember the times when software development used to be a lengthy process? The times when you had to wait for months before you could see your application up and running? Well, those days are long gone. Today, technology is evolving quickly, and software development is no exception. What was once considered new and innovative needs to be updated, and businesses must keep up to stay ahead of the game. One way to do this is through legacy software modernization.

Legacy system modernization involves updating an older software system or application to make it more efficient, cost-effective, and compatible with the latest technologies. In other words, it’s a way to breathe new life into an old application. But how much will it cost, what are the benefits, and how do you implement it? Let’s dive in and find out.

In this blog, we’ll discuss the benefits, costs, and implementation of modernizing your legacy software.

  • By replacing outdated systems, companies can reduce costs, improve efficiency, and better serve their customers.
  • There are different modernization approaches, including rehosting, re-platforming, refactoring, and rewriting.
  • It’s important to have a clear plan for data migration and to ensure that data integrity is maintained throughout the process.
  • Modernizing legacy software requires a team of skilled professionals who are familiar with the latest technologies and best practices.
  • Security is a crucial consideration when modernizing legacy software. Newer technologies may have different security requirements.

What Is Legacy Software Modernization?

When software ages, they become inefficient and outdated. Legacy system modernization updates or rebuilds applications so they will work with other applications in modernized environments.

Legacy software modernization is a dynamic process that enables outdated legacy applications to be converted into resilient, robust, and advanced ones. It is a quintessential part of the digital transformation services involving migration and modernizing software, architecture, and technologies. Organizations can reduce data and information complexity by improving performance efficiency, creating a data-driven culture, and increasing flexibility across business processes by migrating existing applications to a modernized platform.

Why Should You Consider Legacy Software Modernization?

You should think about modernizing legacy software for a variety of reasons. First off, outdated software can pose a security threat.

The expense of maintaining and modernizing legacy systems might also be high. Finding software engineers who are knowledgeable about the technology gets more challenging as the software gets older. Higher support and upkeep costs may result from this.

Legacy software can prevent your business from achieving its full potential. If your enterprise solutions are not up-to-date, you may miss out on new features and capabilities that could help your business grow.

Now that we’ve discussed legacy software, let’s discuss,

Benefits of Modernizing Legacy Software

Following are some number of reasons why you may want to consider legacy software modernization services, including:

Increased Efficiency

Your organization’s efficiency and output may suffer if you use out-of-date software that doesn’t adhere to modern technological requirements and standards. The solution to this problem is to modernize legacy systems, like giving your software a much-needed upgrade.

Your software can be made quicker, more dependable, and more effective by updating it. Your business may gain from this in a number of ways, including more production and lower expenses.

Lower Costs

As we have already seen, the cost of maintaining legacy modernization software can be high. Long-term costs can be decreased by updating legacy software, though. Additionally, maintaining legacy software can need specialists, which would call for higher prices or hiring outside experts. Your software can be updated to cut down on these maintenance expenses.

Improved Security

Security flaws in older software are among the most significant dangers.

Modernizing your old software can boost your organization’s security by implementing the newest security features, complying with compliance standards, limiting access to critical data and systems, and enhancing resilience in the case of a breach. It’s an investment in your company’s security that can help shield you from the numerous security risks that businesses nowadays must contend with.

Enhanced User Experience

When using legacy software, the time it takes to complete tasks might be irritating. User frustration, decreased productivity, and even employee churn are possible outcomes. There are various ways to upgrade your software to enhance the user experience.

Users may execute tasks more swiftly and error-free with modern enterprise solutions, boosting productivity and user experience. Modern software with intuitive UI, such as icons and better color coding makes it easier to understand and use.

Now that we’ve discussed the benefits and costs of modernizing your legacy software let’s talk about implementation!

Implementation of Legacy Software Modernization

There are several steps you’ll need to take to modernize your software successfully:

Assess Your Current Software

It’s vital to evaluate your current software to understand its advantages, disadvantages, and constraints before modernizing your old software.

  • Identify the key functionalities of your software — To begin, list the essential features of your software and explain how they benefit your company’s operations. This will enable you to identify the functions that are essential to your company’s operations and those that can benefit from the change.
  • Evaluate the current performance of your software — Asses the speed, dependability, and scalability of your software’s present version. This will enable you to spot problem areas and assess whether the current software can meet your company’s needs going forward.
  • Consider the security risks of your software — Know the security threats posed by the software you now use. This includes security flaws, possible data breaches, and other problems that could endanger your company.
  • Evaluate the user experience of your software — Assess the usability and user experience of your software. This includes user interface design, ease of use, and user feedback.

Define Your Goals

Setting goals and objectives is crucial before starting a legacy system modernization project. By doing this, you can make sure the project is in line with your company’s requirements and that you are getting the most out of your investment. The following actions can help you define your goals: –

  • Identify the business challenges you are trying to address — Start by identifying the precise issues the legacy software modernization project intends to solve. For instance, you might be attempting to lower expenses, increase effectiveness, or improve the user experience.
  • Prioritize your goals — Prioritize your goals depending on their significance to your organization after determining your business difficulties. This will assist you in identifying the objectives that are essential to the project’s success.
  • Set specific and measurable goals — Clearly state and quantify your objectives. This will enable you to monitor custom enterprise modernization development services and assess whether the project is fulfilling your expectations.

You can make sure that your legacy modernization software project is in line with your company’s needs, that you are getting the most out of your investment, and that you are setting clear expectations for the project by following these steps to define your goals.

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Choose the Right Modernization Technique

Choosing the proper modernization technique is an important step in the legacy software modernization process. It involves selecting the most appropriate software update method to meet your business needs.

  • Assess your current software — As we have discussed, the evaluation of your current software is the first stage in the process of modernizing legacy software. This will enable you to choose the modernization strategies that are most appropriate for your requirements.
  • Evaluate the different modernization techniques — These strategies include re-platforming, refactoring, rebuilding, and rehosting. The optimal technique for your needs should be chosen after carefully assessing each technique’s advantages and disadvantages.
  • Consider your budget — Choosing a modernization strategy can be expensive if your outdated software needs to be updated. While some methods could be more affordable than others, they might offer fewer advantages.
  • Seek expert advice — Consult a legacy software modernization company for help if you need clarification on which modernization method is suitable for your requirements. They will assist you in weighing your options and selecting the approach that best suits your requirements.

Designing and Developing the Modernized System

The following stage is to design and create the modernized system once you’ve determined which modernization technique best suits your requirements. This entails developing a thorough plan for updating your software and putting it into practice in a way that serves your company’s requirements.

  • Create a detailed plan — Make a thorough plan outlining your objectives, deadlines, and resources before you begin designing and constructing the modernized system. This strategy must take into account the modernization method you’ve chosen, as well as the data acquired during the evaluation step.
  • Define the architecture — Specify the modernized system’s architecture once you’ve created a plan. Choosing the technology stack, the deployment model, and other crucial design components is required. The objective is to provide flexible, scalable architecture that can accommodate your company’s needs.
  • Develop the system — After putting the architecture in place, you can begin creating the updated system. Coding, testing, and system integration are all required for this. Your business processes or workflows need to be modified to make room for the new technology.

Select a Team to Implement the Strategy

The success of your legacy system modernization project depends on choosing the right partner. Many organizations need the internal teams necessary to update their antiquated systems.

To complete the procedure perfectly, you need to hire developers from a reputable custom enterprise software development company. Employing a team that follows DevOps and Agile principles can be advantageous.

Testing and Deployment

Testing and deployment are important steps in the legacy software modernization process, as they ensure that the modernized system is fully functional and ready for use.

Also Read: What are the Steps of the Software Development Process?

Cost of Legacy Software Modernization

The cost of updating historical software varies according to how sophisticated the system is. Depending on the size of the system, modernization might cost anywhere from a few thousand dollars to millions of dollars. Some other factors are: –

The Complexity of the System

The more complicated the system, the longer and more expensive the modernization process will be. The system’s design, data model, and codebase affect its complexity.

Integration with Other Systems

Modernization may be more difficult and expensive if the legacy system is integrated. Other systems may need to be changed as a result of the integration, and these modifications could be expensive.

The Technology Used

Modernizing a legacy system may cost more if it uses out-of-date technology. New infrastructure, new pieces of gear, or new software licenses might be necessary for the new system.

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Conclusion

Legacy software modernization is critical for businesses that want to stay competitive in today’s fast-paced technological environment. Outdated software can be costly to maintain, pose security risks, and prevent your organization from achieving its full potential. However, by modernizing legacy software can increase efficiency, lower costs, improve security, enhance the user experience, and free up IT resources. Although modernization can be a complex process, the benefits outweigh it in the long term.

By investing in AI development services for legacy software modernization, you can improve productivity, and stay ahead of the competition. If you haven’t already considered modernizing your legacy software, now is the time to do so.

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Apoorv Gehlot

Founder & Board Member at Matellio — Technology enthusiast with enterprise solution design & development expertise