CORETECH BLOG

IT in practice

IT infrastructure and cloud

Architecture, modernisation and cloud decisions aligned with real business needs.

3 articles
IT architect in a data centre evaluates on-premise and cloud infrastructure connected by orange signalsIT infrastructure and cloud
CoreTech tim · 25 Sept 2026 · 7 min read

Cloud or on-premise: a decision matrix for your existing IT environment

A practical framework based on applications, data, risk, cost and team capability, instead of choosing whichever model currently sounds more modern.

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Infrastructure engineers perform a phased server modernisation in an active data centreIT infrastructure and cloud
CoreTech tim · 24 Sept 2026 · 6 min read

Modernising IT infrastructure without unnecessary business disruption

How to divide modernisation into controlled stages, verify dependencies and prepare rollback before a change reaches users.

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On-premise data centre connected to cloud infrastructure by orange data flowsIT infrastructure and cloud
CoreTech tim · 23 Sept 2026 · 6 min read

Hybrid cloud: an operating model, not only a technical architecture

A hybrid environment creates value only when identity, monitoring, security, cost and responsibilities are managed as one system.

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