Integrating legacy systems: see how to do it in practice

In the age of data and connectivity, the use of systems, tools, and solutions to fulfill various functions and automate diverse processes is a trend for any type of company. Therefore, the integration between these software programs, especially the integration of legacy systems, is one of the challenges in the IT field.

Data from January 20, 2024, 5-minute read. By: Skyone

In the age of data and connectivity, the use of systems, tools, and solutions to fulfill various functions and automate diverse processes is a trend for any type of company. Therefore, the integration between these software programs, especially the integration of legacy systems, is one of the challenges in the IT field .

The difficulty in synchronizing information between various software programs lies in the fact that each one has a different development and purpose, which can lead to connection or security failures.

So how do you know if your system has integration ? What are the main ways to do this in practice? That's what we're going to find out from now on.

What do legacy systems represent?

Legacy systems represent a large part of the Brazilian software market. These systems were developed years ago using older languages and monolithic architectures to address the challenge for companies in managing their operations in an organized manner.

These systems, due to their outdated technology, encounter problems with old and complex code, making integration with new services difficult, especially in the cloud with a web-based connection.

But in practice, companies need to keep using legacy systems because replacing a legacy system with a new one is a lengthy and expensive process. In this case, the most viable option for operational growth, and necessary to avoid losing any data, is to integrate legacy systems.

And why not keep them separate or replace them?

Maintaining existing legacy systems is not only expensive, but also jeopardizes the smooth running of the business, as it hinders growth and expansion. Being unable to provide users with access to the latest technologies makes information management difficult.

But replacing a legacy system is also expensive, risky, and requires a very large number of developers working together, not to mention that it doesn't bring any kind of benefit when considering the future needs of a company .

Regardless of company size, they need to find an ideal solution for integrating legacy systems.

Two main ways to integrate legacy systems

Focusing on the need to maintain full integration, even with legacy systems in companies, we can list two different ways to do this process .

1. Using API integration

An API is a program developed specifically to integrate systems. It allows one system to integrate with another, sharing and sending data or information automatically.

But in practice, this way of doing integration doesn't always work. That's because many software programs, especially when it comes to integrating legacy systems, don't initially have an open API to perform this process.

However, despite API integration having this function, we need to break the myth that only new software with developed APIs can integrate . In practice, it doesn't work that way!

It's already possible to connect various types of systems, even those that don't originally offer an API. That's what we'll see in the next way to do integration.

2. Using an iPaaS

iPaaS (Integration Platform as a Service) is a cloud-based solution that acts as an automated platform for connecting applications and software deployed in different environments .

In practice, iPaaS is frequently used by B2B (business-to-business) companies that need to integrate on-premises systems and data with systems and data in the cloud.

This means that this is the solution for connecting and integrating legacy systems without using any type of API. In other words, the statement that integration can only be performed if the solution has an API is no longer true .

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What are the benefits of iPaaS for integrating legacy systems?

An iPaaS can simplify an organization's overall information flow. By creating a virtual platform, it connects applications and resources to create a framework with various shared functionalities in the cloud and across selected software.

All platform management can occur in a single location, minimizing the work involved in using multiple systems. In short, iPaaS helps navigate a company's growing onboarding requirements without adding costs to an IT environment.

Get to know Integra.Sky

With integration needs in mind, Sky.One brings to the market another solution that will facilitate your integration process : Integra.Sky !

With this integration platform, you can obtain three major benefits:

Thinking about the future of legacy and web software, Integra.Sky uses modern architectures to ensure simple and secure integration, keeping SaaS and legacy systems connected
Within the platform, systems adopt a single, standardized language, allowing you to quickly replicate integrations.
Make your legacy system available on a marketplace to connect with other solutions.

If you're ready to start using Integra.Sky and implement legacy system integration, contact our team of experts today and learn all the details!

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