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Navigating the Modernization of Legacy Applications

When was the last time your laptop or smartphone prompted you to install an update? For most of us, it’s on a daily basis. Why? Because today, technology becomes obsolete at lightning speed. Last year’s functionality can’t keep up with today’s consumer expectations.


By Mike Storey

Why do you need to modernize your legacy application?

While you might be able to put up with an outdated iPhone for a while without too much disruption to your daily life, your business software is a different story.

Let’s say you have a legacy monolithic application (a large, self-contained app combining the full backend and frontend), it’s starting to create some functional challenges for you. As your business needs evolve, you begin introducing new features to the application. There’s no such thing as bug-free code, however, and every new feature introduces the possibility of breaking other parts of the tightly integrated application. As you find and fix the bugs, you also have to incorporate the fix into every other part of your system that interacts with the new feature—often in ways that are not immediately obvious.

This tight integration causes what I like to call “technical cholesterol,” clogging your ...