🎯 Definicja
🔑 Kluczowe punkty
📚 Szczegółowe wyjaśnienie
💡 Przykład zastosowania
📌 Źródła
👽 Brudnopis
Let’s get into the practical side of things, specifically, how businesses migrate to AWS. Now, this is your beginner’s guide to understanding the different strategies available and how to choose one that fits your situation. Now at its core, AWS migration is all about moving your apps and data to the cloud. Why do businesses do it? Because it helps them unlock flexibility, scalability, and long‑term cost savings. You’re no longer tied to fixed infrastructure or struggling to scale. AWS allows you to respond to changes faster and pay for only what you use. There are three core strategies to know when you’re starting your migration journey. One is called rehost. It’s also called lift and shift. It’s when you’re moving an application to the cloud without changing its architecture. It’s fast and low risk, great for when you need to migrate quickly. The second is called replatform. So this means you make a few optimizations like moving self‑managed databases to manage services, but the core app stays the same. It’s a middle ground between speed and cloud‑native improvements. And then last, you have refactor. It’s the most involved, so it means rearchitecting your application to fully take advantage of cloud features like autoscaling and microservices. It’s higher effort, but it gives you the most long‑term benefits. Now, how do you know which strategy to go with? Well, it depends on several factors. It depends on application complexity. Is it easy to lift and shift, or does it need a redesign? It depends on your business objectives. Are you optimizing for speed, cost, innovation, or something else? It depends on budget and resources, so can you support a complex migration now or do you need to start simple? And it depends on compliance and risk. So some workloads require stricter controls, which might affect how you migrate them. So there’s no one‑size‑fits‑all answer. The right strategy is the one that fits your needs and capabilities today. Now, thankfully, AWS provides a suite of tools to make migration easier. We have the AWS Migration Hub. Now, this acts as your central dashboard for tracking all of your migration activities. We have the AWS Application Migration Service, so this is great for simplifying rehosting or lift‑and‑shift migrations. Then we have the AWS Trusted Advisors. So this offers recommendations from our performance, cost optimization, and security before, during, and after the migration. Now let’s go one level deeper. Migration gives you a centralized window of your entire migration process, so what’s moving, what’s completed, and what’s still pending. Now, the Application Migration Service helps you perform lift‑and‑shift migrations with minimum manual effort, so this is no need to rearchitect up front. And then the AWS Trusted Advisor steps in like a cloud consultant. So this gives you tailored tips to improve security, cost efficiency, and performance as you go. Now, let’s look at a basic migration scenario. Before, we have an IT admin that manages on‑prem servers manually, and it’s time consuming and it’s not very scalable for them as well. So the strategy is the team decides to rehost, so this is lifting the workloads into AWS using the application migration services. So this includes planning, tooling set up, and tracking, and understanding how AWS helps us scale. And after, that same environment now runs in the cloud with managed infrastructure, support for the applications, and cloud‑native data storage. The result, less maintenance, better up time, and more time to focus on innovation instead of firefighting servers.