May 18
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Why does your app crash even when your Load Balancer is working perfectly? 🚨 In this video, we dive deep into one of the most misunderstood topics in backend engineering: API Gateway vs Load Balancer. While an average developer thinks, "We have traffic, let's add a Load Balancer," a real Architect thinks about trust and governance. Using our "Tadka App" scaling case study (1 to 1 Million users), we will break down how 50,000 bots crashed the system, and how an API Gateway (Authentication, Rate Limiting, SSL termination) acts as the ultimate shield. If you want to ace System Design interviews or transition into a Software Architect role, this is your definitive handbook! 🔥 Important Links for The Desi Architect Community: Join the Official System Design Course Waitlist: https://desiarchitect.com Request FREE Access to the Structured System Design Roadmap: https://desiarchitect.com Book 1-on-1 Mentorship (Architect Roadmap / Service to Product Switch): https://topmate.io/deepak_mishra36/ ⏱️ Video Chapters / Timestamps: 00:00 - The Friday Night App Crash (#TadkaDown) 02:18 - What a Load Balancer Actually Does (Kitchen Analogy) 04:48 - API Gateway Explained (The Architect Layer) 06:01 - Single Entry Point & System Observability 07:21 - Authentication & Rate Limiting (Dropping Bot Traffic) 10:13 - Real Production Architecture Diagram (WAF - LB - Gateway) 10:52 - The Perfect Architect Interview Answer 11:18 - Practical Decision Framework (When to use what?) 14:22 - Database Architecture Call-to-Action 15:27 - Free System Design Roadmap & Mentorship Who this is for: 2–15 YOE backend / full‑stack developers Engineers in India preparing for system design interviews at product-based companies Senior devs who want to level up to Architect / Lead roles and design real cloud systems 📌 Topics Covered in this Video: What is an API Gateway, How Load Balancers work, Microservices Architecture, Reverse Proxy, AWS ALB, Rate Limiting, System Design Interview Prep, Web Application Firewall (WAF), Edge Load Balancing, East-West vs North-South Traffic. Don't forget to comment "Paper to Production" if you want the next deep-dive video on Database Architecture! #SystemDesign #APIGateway #LoadBalancer #SoftwareArchitecture #Microservices #TheDesiArchitect #BackendEngineering