A Summary of Doug McMaster on the Reality of IBM I

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The real challenge for IBM i organizations is not moving to the cloud, but operating effectively once they get there. While most companies begin by shifting adjacent workloads to hybrid or public cloud environments, many struggle after go‑live due to cost overruns, security gaps, architectural inefficiencies, operational complexity, and unclear ownership.

The article argues that success depends upon evolving from simple migration to cloud maturity—adopting strong FinOps discipline, consistent security governance, modern integration approaches, and clearly defined roles across teams. Ultimately, IBM i should remain the system of record, with surrounding systems modernized and optimized, enabling the cloud to deliver measurable business value rather than added complexity and risk.

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