An organization wants to migrate a workload to the cloud without changing the application code or architecture. Which migration path describes this approach?
A. Rehosted
This migration path, often referred to as "lift-and-shift," involves moving an application to the cloud without making any changes to its code or architecture. It is the quickest way to migrate a workload and typically involves transferring the application as-is to a cloud infrastructure.
Why the other options are wrong:
B. Reimagined:
Definition: Reimagining involves completely rethinking and rebuilding an application to take full advantage of cloud-native features and services.
Why wrong: This requires significant changes to the architecture and code, which contradicts the requirement of not modifying the application code or architecture.
C. Replatformed:
Definition: Replatforming, sometimes called "lift, tinker, and shift," involves making minor adjustments to the application to optimize it for the cloud without significant changes to the core architecture.
Why wrong: Even though it involves minor changes, this still goes beyond simply moving the application as-is (rehosting), which requires no changes at all.
D. Refactored:
Definition: Refactoring involves redesigning and re-architecting the application to improve performance, scalability, or efficiency by leveraging cloud-native technologies (e.g., serverless computing, microservices).
Why wrong: This is the most invasive migration path, as it requires significant code and architecture changes, which violates the requirement to avoid modifying the application.
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