For Advanced HLD Notes , Advanced HLD (By Yash Pandey)

🏗️ System Design – Scalable, Resilient & Real-World Ready

This document covers the essential and advanced concepts of System Design used in real-world production systems. Whether you're preparing for interviews or building distributed apps, this is your one-stop guide.


📌 Table of Contents

  1. Client-Server Architecture
  2. Read & Write Databases
  3. Auto-Scaling in Cloud (AWS)
  4. Load Balancing Strategies
  5. Vertical vs Horizontal Scaling
  6. DDoS Attacks & Prevention
  7. Caching, Queues & CDNs
  8. Eventual vs Strong Consistency
  9. Best Practices & Real-World Example
  10. Architecture Screenshot

1️⃣ Client-Server Architecture

In a production-grade web application: