What is Legacy Application Modernization?

 Luckily, we are living in a quickly developing and innovative world. Technological advances definitely make our lives much easier, however to take advantage of them it is essential to adjust to all these modern changes and tendencies.

 The technologies built 10 years ago were supposed to stay with us for a long time. In reality now they are considered to be old-fashioned and are relegated to the sidelines. The IT sector is evolving extremely fast, representing technological wonders to the customers. But what about the IT products that were created a long time ago? Are they forgotten and abandoned? No! In this article you will understand the importance of Diceus legacy app modernization services for keeping the businesses afloat. It will be entirely beneficial for both developers and web products owners.

What is a legacy application?

  Legacy app is a web product that is outdated in terms of modern life realities. Such programs are still working and performing their functions, but they are marked by instability and frequent bugs. It happens because of incompatibility with modern browsers, IT infrastructures, and operating systems. Despite this fact a lot of companies continue to use legacy applications often sacrificing the quality of rendered services. To make such apps run efficiently, people apply to legacy app modernization that pay them off.

How to define a legacy app?

  If you doubt whether your product is a legacy one, there is a list of features that characterize such applications. If you detect one or several traits, you should think of the modernization of the platform.

  1. If your application is written in a programming language that is no longer used, it is a legacy one. Such a product can lack pivotal features and contain a lot of bugs.
  2. Another feature of legacy apps is the absence of professionals who can maintain their work. Since programming languages go out of use, developers tend to switch to popular alternatives to earn a living. Even if you happen to find a person with the needed expertise, it will cost you the Earth.
  3. The IT sector is developing extremely fast. There are numerous trends that replace each other with the flow of time. If once you have followed any trend and built your app on short-lifecycle technologies, now you can be left with a legacy app. Why? Simply because the IT community has switched to other new trends and abandoned old ones.
  4. Short-time solutions. If you have developed your product in a hurry, it is quite possible that the development team could opt for non-optimal approaches and tools just to speed up the process. It can result in lack of needed functions and features in the future and inability to meet the requirements of the users.

 If you have found out that your product can be characterised by at least one feature mentioned above, it means that you are running a legacy application. It must be modernized to keep afloat of the times and be both profitable and competitive. If you ignore it, the performance and reputation of your Internet platform will decrease. What’s more, if you provide goods or some kind of services, customers can view them as low-quality ones just because of a poor application. 

  Luckily, there are three critical approaches to the modernization of legacy applications you can choose from. So, let’s get acquainted with all of them.

1. Neglecting servers

  Thanks to the development of sophisticated clouding services, a lot of legacy applications owners move to such platforms. In such a way your IT product works without hardware and software servers. This module enables high concentration on pivotal business operations, because you are not expected to run the management routine of the infrastructure. Serverless approach is also entirely beneficial in terms of the app flexibility and scalability.

2. Microservices architecture

  Another way to modernize a legacy application is to divide a huge and complex structure into small components. In other words, to create tiny services instead of a huge one. In such a way each element will run a set of specific processes. This method enables easy control and maintenance of the application. If you need to add some changes, you should alter and update only one small microservice.

3. App containerization

  This approach lies in placing all software elements into one environment. It is done so to provide fast and easy movement of all components. Thanks to this model applications can be implemented in various environments.

Drawing conclusions

 As you can see from this article, it isn’t enough just to build an application. To keep it profitable and competitive a person must maintain its functionality and performance. If you are planning to build a web product, keep it in mind and do your best to develop a flexible platform for making corrections. On the other hand, if you are running a legacy app, there are still some modernization methods that can bring your product back to life.

Huynh Nguyen

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