Insight ON AI Infrastructure & Legacy IT Modernisation Strategy

By  Insight UK / 28 Apr 2026  / Topics: Modern workplace


Insight
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The Hybrid Renaissance: Building AI Infrastructure & Beating Legacy IT Modernization Debt 

 

Group of colleagues smiling while collaborating

The "cloud-first" era suggested that innovation lived exclusively in the public cloud. But as Artificial Intelligence moves from experimental pilots to production-grade reality, that narrative is being rewritten.

We are witnessing a "Hybrid Renaissance". Instead of moving massive, sensitive datasets to the cloud, the most agile organisations are realising it is often more efficient, secure, and cost-effective to bring compute power to the data.

AI as the Infrastructure Catalyst

Innovation is no longer just about speed; it is about IP protection and jurisdictional control. As companies build bespoke AI models, those models become their most valuable intellectual property. Entrusting them entirely to public cloud providers is a risk many are no longer willing to take, with one quarter of European firms citing model visibility as a top strategic challenge.

The Trend: 85% of European organisations are currently evaluating or deploying dedicated on-premises infrastructure specifically for AI and machine learning.

The "Hybrid Normal"

The future isn't "all-in" on one platform. Instead, 42% of leaders believe their greatest competitive advantage over the next 3–5 years will come from orchestrating a diverse ecosystem—hyperscalers, regional sovereign providers, and on-premises infrastructure working in concert.

Overcoming the Modernisation Anchor

The path to this agile future isn't without obstacles. The biggest "agility killer" in the modern enterprise is modernisation debt.

Legacy Blockers: 41% of IT leaders are held back by an inability to move legacy business applications.

The Skills Gap: One third of organisations are being prevented from modernising their on-prem infrastructure by an internal skills gap.

Your Action Plan for Agility

To keep pace, leaders must transition from "buy vs. build" to a more complex "buy vs. build vs. generate with AI". This requires:

  • Placing Workloads Strategically: Balance hyperscale capability with sovereign control and regional flexibility to accelerate time-to-value.
  • Modernisation as Strategy: Prioritise the migration of legacy apps that block the transition to agile, sovereign-ready infrastructure.
  • A Thought for the Boardroom: Is our current infrastructure accelerating our AI roadmap, or is it an anchor holding us to the past?

Want to see the data behind the Renaissance? The move toward hybrid AI infrastructure is accelerating. Get an infrastructure gap analysis. We’ll identify exactly where your current stack will bottleneck and provide a roadmap for modernisation.