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

BookHaven Networks, a public library system, plans to migrate its legacy catalog database to the AWS Cloud. The migration team wants to move the database as quickly as possible with minimal effort, without modifying the database code or its operational characteristics. Which of the following represents the correct migration strategy and a key benefit for this scenario? (Select TWO.)

  1. The migration team should use the Rehosting strategy.Answer
  2. B
    The migration team should use the Replatforming strategy.
  3. C
    The migration team should use the Refactoring strategy.
  4. A benefit of this strategy is the minimization of migration time and effort.Answer
  5. E
    A benefit of this strategy is shifting the cost structure from operating expenses (OpEx) to capital expenses (CapEx).

Answer

The migration team should use the Rehosting strategy, and a benefit of this strategy is the minimization of migration time and effort.
The correct choices are using the Rehosting strategy and minimizing migration time and effort as a benefit. Rehosting (lift-and-shift) allows an organization to migrate workloads to the cloud as-is, without code or architecture alterations, making it the fastest and least effort-intensive strategy. This aligns perfectly with the requirements to migrate the library database quickly with no modifications.

Step-by-Step Solution

1
Analyze the scenario constraints: the library wants to migrate a database quickly, with minimal effort, and without modifying any code.
This points to a migration strategy that does not alter the application architecture or code.
Identifying the constraints narrows down the 6 Rs migration strategies.
2
Evaluate the migration strategies: Rehosting (lift-and-shift) fits this because it transfers the database as-is, whereas Replatforming and Refactoring require changes.
The correct strategy is Rehosting.
Rehosting is the only strategy that requires no modifications to the code or architecture.
3
Determine the primary benefit of Rehosting and assess cost models.
The benefit is minimizing time and effort. Shifting to the cloud changes costs from CapEx to OpEx, not OpEx to CapEx.
This identifies the correct benefit and rules out the incorrect economic benefit description.

Key Concept

AWS Cloud Migration Strategies (Rehosting) and Cost Benefits
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Topics

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

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