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Google Cloud Certified Cloud Digital Leader Cloud Digital Leader · Domain 4: Modernize infrastructure and applications with Google Cloud

Migration approaches: retire, retain, rehost (lift and shift), replatform, refactor and reimagine

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Last reviewed September 25, 2026 · Leer en español

When organizations plan a cloud migration, they choose an approach for each application. The industry often describes these as the 'Rs'. Google Cloud's training uses terms such as lift and shift, move and improve, and refactor or rebuild; the exam expects you to match each approach to a situation and understand the trade-off between speed and benefit.

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