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Difficulty: EasyUnderstand the benefits of and strategies for migration to the AWS Cloud

A healthcare provider wants to migrate its legacy on-premises billing system to the AWS Cloud. During the planning phase, the IT team decides to discard the existing custom-built software and instead subscribe to a fully managed, equivalent Software as a Service (SaaS) application available on the AWS Marketplace. Which cloud migration strategy does this decision represent?

  1. A
    Rehosting
  2. B
    Replatforming
  3. RepurchasingAnswer
  4. D
    Refactoring

Answer

Repurchasing
Repurchasing (also known as drop-and-shop) is the strategy where a company decides to abandon its legacy system and purchase a commercial Software as a Service (SaaS) platform, often from the AWS Marketplace, to replace it.

Step-by-Step Solution

1
Analyze the migration scenario described in the stem.
The company is abandoning its custom-built billing software and replacing it with a fully managed SaaS application from the AWS Marketplace.
Understanding the core actions of the migration helps classify it under one of the 6 Rs migration strategies.
2
Compare the scenario against the definitions of the 6 Rs migration strategies.
Repurchasing is defined as moving to a different product, typically a SaaS model, and retiring the existing system.
This matches the decision to discard the custom software and subscribe to an equivalent SaaS solution.

Key Concept

Repurchasing migration strategy
Estimated Time:45s
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Topics

Understand the benefits of and strategies for migration to the AWS Cloud

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