Learn about the AWS service that enables seamless migration of Amazon EC2 instances from one AWS Region to another, ensuring business continuity and flexibility.
Table of Contents
Question
Which AWS service can migrate Amazon EC2 instances from one AWS Region to another?
A. AWS Application Migration Service
B. AWS Database Migration Service (AWS DMS)
C. AWS DataSync
D. AWS Migration Hub
Answer
A. AWS Application Migration Service
Explanation
AWS Application Migration Service (MGN) is a highly automated lift-and-shift solution that simplifies the process of migrating applications from one AWS Region to another. It allows you to migrate your Amazon EC2 instances, including the associated data and configurations, between different AWS Regions.
Here’s how AWS MGN facilitates the migration of EC2 instances:
- Replication: AWS MGN continuously replicates the source EC2 instances, including data volumes and configurations, to the target AWS Region. This ensures that the target instances are kept up to date with any changes made to the source instances.
- Minimal Downtime: When you’re ready to switch to the migrated instances in the target Region, AWS MGN performs a final sync to ensure data consistency. This minimizes the downtime required for the migration, allowing for a smooth transition.
- Automated Conversion: AWS MGN automatically converts the source instances to the target instance types compatible with the destination AWS Region. This eliminates the need for manual reconfiguration and simplifies the migration process.
- Testing and Validation: Before the final cutover, you can test the migrated instances in the target Region to ensure that applications function as expected. AWS MGN provides a test environment for thorough validation before going live.
- Broad Compatibility: AWS MGN supports the migration of a wide range of operating systems and applications running on EC2 instances, making it a versatile solution for various migration scenarios.
The other options mentioned are not primarily used for migrating EC2 instances between AWS Regions:
- AWS Database Migration Service (AWS DMS) is used for migrating databases between different database engines or platforms.
- AWS DataSync is used for transferring large amounts of data between on-premises storage and AWS storage services.
- AWS Migration Hub provides a single location to track the progress of application migrations across multiple AWS and partner solutions.
In summary, AWS Application Migration Service (MGN) is the go-to service for migrating Amazon EC2 instances from one AWS Region to another, offering automation, minimal downtime, and ease of use.
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