Going Digital First: Modernising Legacy Systems

Emilien Coquard
3 min readAug 17, 2021

Many businesses continue to use legacy systems within their organisation, but what does this mean? In computing, a legacy system is an old method, though usually technology, computer system, or application program that’s still in use. In an era where one of the main business priorities across industries in digital transformation, these outdated technologies can be a hindrance.

The roadmap to transformation

‘Digital transformation’… everyone’s heard the term, particularly over the last 12 months as it’s been bandied around aplenty due to the coronavirus situation. It’s in danger of becoming a shallow buzzword without any tangible meaning, unless people truly understand its definition. So, what exactly is digital transformation?

To quote from the highly regarded technology authority Gartner, it “can refer to anything from IT modernisation (for example, cloud computing), to digital optimisation, to the invention of new digital business models. The term is widely used to refer to modest initiatives such as putting services online or legacy modernisation”.

So, it’s certainly established that modernisation of your legacy systems is indeed part and parcel of digital transformation. But why is it so important? If we go back to Gartner for a second, their Board of Directors Survey highlighted that seven out of 10 boards have accelerated digital business initiatives in the wake of the coronavirus — it’s seen as a top priority because diversification brings resilience to unexpected disruption.

What does modernising legacy systems mean for your business?

Today, more and more businesses are moving both their applications and older systems to the cloud. Modernising their older systems gives them the ability to also develop their software in the cloud. But why is that beneficial? Let’s look a little closer…

Cloud-native apps are usually built using Platform-as-a-Service and are made up of independent microservices — this increases flexibility, lowers cost of alterations, and decreases time to market. These factors enable organisations to deliver and scale software continuously and bring products and services to their customers faster. And of course, they excel in the cloud — an enormous benefit as computing moves evermore off-premise for both businesses, their customers, and the general public. Businesses who can’t develop a higher percentage of their applications using a cloud-native approach risk falling behind in the shift to digital business.

In our digital acceleration article and accompanying infographic, we used a car analogy to describe what it’s like when an organisation is unshackled from their legacy systems. ‘To accelerate swiftly, you need to cut excess weight and slow-moving parts. Your organisation’s IT systems and processes are no different.’

Regardless of what industry you’re in, your customers are living in a digital world. They’re always connected, always talking, and always engaged — so a digital-first strategy is key.

Read the full article at: https://thescalers.com/going-digital-first-modernising-legacy-systems/

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