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

A logistics company, SwiftRoute, is planning to migrate its application portfolio to the AWS Cloud. The migration team has identified two workloads for the initial phase:

1. An inventory management application that runs on a traditional database. The team wants to migrate the application to AWS quickly without changing the core application code, but they plan to move the database to a fully managed database service, such as Amazon RDS, to reduce database administration tasks.
2. A legacy on-premises Customer Relationship Management (CRM) system. The company wants to decommission this system entirely and transition to a cloud-native Software-as-a-Service (SaaS) platform available on the AWS Marketplace.

Which two of the following migration strategies should the company use for these workloads? (Select TWO.)

  1. Replatforming for the inventory management applicationAnswer
  2. Repurchasing for the CRM systemAnswer
  3. C
    Rehosting for the inventory management application
  4. D
    Refactoring for the inventory management application
  5. E
    Retaining the CRM system on-premises to shift the infrastructure costs from operating expenses (OpEx) to capital expenses (CapEx)

Answer

Replatforming for the inventory management application and Repurchasing for the CRM system
The correct strategy for the inventory management application is Replatforming because the database is migrated to a managed service (Amazon RDS) without altering the application's core code. The correct strategy for the CRM system is Repurchasing because the on-premises application is decommissioned and replaced by a cloud-native SaaS product.

Step-by-Step Solution

1
Analyze the requirements for the inventory management application migration.
The application code is unchanged, but the underlying database is shifted to a managed service (Amazon RDS).
This matches the Replatforming strategy ('lift, tinker, and shift') where optimizations are applied without changing the core application architecture.
2
Analyze the requirements for the legacy CRM system migration.
The legacy system is decommissioned and replaced with a third-party cloud-native SaaS product.
This matches the Repurchasing strategy ('drop-and-shop') which involves purchasing a new product/SaaS platform.

Key Concept

AWS Cloud Migration Strategies (6 Rs)
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Topics

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

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