Migration Wave
In a fictional hospital, the pharmacy system had few dependencies in the list. The nightly batch that read it was in neither the list nor the wave. The morning shift found out first.
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First Mover
Early migrations yield working systems and lessons within tested conditions. Select candidates by learning value, failure impact, and what can transfer.
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Migration, Modernization, and Transformation
The program moved three hundred servers to the cloud in fourteen months and called it transformation. Two years later billing still changed once a quarter.
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Lift and Shift
Rehosting preserves application design, but infrastructure, responsibilities, and costs can change. Verify the move and reassess application problems.