Migrate to AWS with Confidence Using AWS MGN

Is Your Server Too Small?

As businesses grow, their infrastructure needs often change. Applications that once ran smoothly on-premises may now face performance issues, scalability limitations, or availability concerns. Migrating to the cloud becomes a strategic move, but doing so without disrupting operations can be challenging. This is where AWS Application Migration Service (AWS MGN) provides a practical solution.

What is AWS MGN?

AWS MGN helps you migrate physical, virtual, or cloud-based servers to AWS quickly and securely. It continuously replicates your source servers, allowing you to launch test and cutover instances without manual intervention. With AWS MGN, you gain a reliable path to modern cloud infrastructure with minimal downtime.

Key Advantages of AWS MGN

Migrating infrastructure can introduce complexity and risk. AWS MGN simplifies the process by offering:

Continuous Block-Level Replication: Ensures data consistency and minimal data loss.
Automated Conversion: Converts your source servers into Amazon EC2 instances automatically.
Non-Disruptive Testing: Allows you to test replicated servers in AWS without affecting production.
Scalability and Elasticity: Once migrated, you can leverage AWS services to scale compute, storage, and networking as needed.

Step-by-Step: How AWS MGN Works

Agent Installation: You install the AWS MGN agent on your source servers.
Replication Setup: The agent replicates data to a staging area in AWS using Amazon EBS.
Launch Tests: You initiate test launches of your instances to validate application functionality.
Perform Cutover: When ready, perform the cutover. AWS MGN provisions production instances in your target AWS environment.

Example Use Case: E-Commerce Platform Migration

A mid-sized e-commerce company experiences significant performance degradation during seasonal traffic spikes. Their on-premises infrastructure is no longer sufficient, and expanding it would be costly and time-consuming. By adopting AWS MGN, the company replicates its entire server environment to AWS over a few days. After running several test launches and validating the performance, they perform a cutover before the holiday season. The transition is smooth, and the platform gains improved availability and elasticity without business interruption.

Technical Considerations

Supported Platforms: AWS MGN supports most Windows and Linux operating systems.
Networking: AWS MGN lets you configure VPC, subnets, and security groups for your migrated servers.
Post-Migration Actions: After cutover, you can integrate AWS services such as CloudWatch, Elastic Load Balancing, or RDS for enhanced performance and observability.

Planning Your Migration

A successful cloud migration starts with clear planning and risk mitigation. Evaluate your current workloads, prioritize which systems to migrate, and consider using AWS MGN as part of a phased strategy. Leverage AWS Migration Hub to monitor progress and manage multiple migrations.

Migrating to the cloud is not just a lift-and-shift — it’s a foundation for innovation. AWS MGN reduces friction and provides a reliable path to cloud adoption.

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