Ready to jumpstart your Cloud career? Become an AI🚀-Powered AWS Cloud Professional → 📗 Free Download: AWS Cheat Sheet — 129 services simplified 👉 In this video, I break down the 3 Migration Design Patterns that actually work. We’re moving beyond the textbook definitions to look at "Big Bang," "API Magic," and "Catch the Bus"—strategies that decide whether your migration succeeds or brings the whole system down. We’ll use a fictional "Big Bank" scenario to see how to handle everything from Loyalty Rewards to the core General Ledger. ⭐ Here is what we cover: 0:00 - Introduction to Mainframe Migration Challenges1 0:51 - The Three Migration Strategies: Big Bang, API Magic, and Catch the Bus2 3:14 - Strategy 1: The Big Bang Approach3 6:35 - Strategy 2: The API Magic Approach4 11:45 - Strategy 3: The Catch the Bus Approach (Decoupling via Message Queues)5 16:37 - Conclusion and Preferred Strategy6 💬 Comment below: Which strategy would you choose for a critical payment system—"API Magic" for speed or "Catch the Bus" for safety? Let me know! 🌱 Keep learning. Keep sharing. Keep growing. Connect with me: If you have any doubts, need help, or want to discuss anything, reach out to me on LinkedIn or via email. You'll find all the details in the description below! #MainframeMigration #CloudArchitecture #SystemDesign #AWS #LegacyModernization #Microservices #EventDrivenArchitecture #DevOps #TechInterview #CloudComputing #SoftwareArchitecture #Kafka #DigitalTransformation 👬Join IT k Funde membership to access exclusive guidance & content 🥰 📣 Subscribe to my free my weekly tech newsletter Lets Connect !!! Here Are All My Socials👋👉