How to Migrate from On-Premise to AWS Cloud

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Migration to AWS can be complex without the right plan. What’s the best strategy for moving workloads from traditional infrastructure to AWS?

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Migrating to AWS might seem intimidating at first, but with a proper plan, it’s quite smooth. Start by assessing your existing workloads — what can move easily and what needs reconfiguration. AWS offers tools like AWS Migration Hub and Server Migration Service (SMS) to track and automate the process. The “lift and shift” approach is great for a quick start, but long term, you’ll want to modernize using services like RDS, ECS, or Lambda. Testing is key — always validate your applications in the new environment before going live. Don’t forget about security and backup planning too. Many companies take a hybrid approach at first, keeping some systems on-premise while gradually moving to AWS.

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Migrating from on-premise to AWS requires a structured, multi-phase approach to ensure a secure, efficient, and cost-effective transition. It begins with a comprehensive Assessment and Discovery phase, using tools like AWS Application Discovery Service to map server dependencies and analyze the existing portfolio. The core strategy follows the 6 R's framework—rehosting (lift-and-shift), replatforming, refactoring, etc.—to determine the best migration path for each application. The actual migration leverages AWS Migration Hub for centralized tracking and AWS Server Migration Service (SMS) or Database Migration Service (DMS) for seamless data replication. A well-architected foundation, built with AWS Landing Zone, ensures security and compliance through VPCs and IAM, while rigorous testing and cutover planning minimize business disruption, ultimately enabling a smooth transition to a scalable and resilient cloud environment.