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SeaGaruda · engineering notes

Cloud architecture written from the field.

Long-form notes on public-cloud migration, database engineering, OT/IT security, and why most digitalization programmes stall.

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Five threads, twenty years of delivery

Cloud Migration

Lift-and-shift is not a migration strategy. What actually has to change in SQL, storage, and operations.

Cloud Migration

Cloud Architecture

Load balancing before microservices, monolith to distributed, DR networking as code.

Cloud Architecture

Cloud Database

Managed RDS in practice, TimescaleDB instead of Oracle, and the parameters that bite.

Cloud Database

OT Security

The Purdue Model on public cloud — a logical model, not a physical one.

OT Security

Digital Transformation

Why ERP, OA and CRM deployments fail when informatization was never finished.

Digital Transformation

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