System_Design

This repository is a comprehensive guide to System Design, covering both Low-Level Design (LLD) and High-Level Design (HLD) topics. It includes concepts, case studies, diagrams, and resources.

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🙌 Acknowledgements

This repository is a personal learning journey in System Design, inspired by courses and resources from:

BossCoder Academy — guided by Mr. Pratik

Coder Army — special thanks to Mr. Aditya Tandon for the best LLD playlist on YouTube

Grateful to these mentors and communities for their structured, high-quality content.

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📘 Curriculum

🔹 Low-Level Design (LLD)

• ✅ Object-Oriented Programming
• ✅ SOLID Principles
• ✅ Design Patterns
• ✅ UML Diagrams
• ✅ Schema Design
• ✅ API Design
• ✅ Case Studies (Machine Coding Interviews)

🔸 High-Level Design (HLD)

• ✅ Architecture Design
• ✅ Distributed Systems
• ✅ DNS (Domain Name System)
• ✅ Load Balancing
• ✅ Consistent Hashing
• ✅ CAP Theorem
• ✅ Caching
• ✅ CDNs
• ✅ Transactions
• ✅ SQL vs NoSQL
• ✅ Scalability
• ✅ ZooKeeper & Kafka
• ✅ Microservices
• ✅ Security
• ✅ Case Studies

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🔗 Resources

• Coder Army
• System Design Primer (GitHub)
• Low-Level Design Patterns
• PlantUML
• Draw.io for Diagrams

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🛠️ How to Use This Repo

1. Start with LLD to understand object-oriented thinking and design principles.
2. Progress to HLD and learn about building scalable distributed systems.
3. Use the case studies to apply your knowledge in real-world scenarios.
4. Refer to resources/ for in-depth learning material.

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🚧 Work in Progress

This repo is actively being built and improved. Contributions and suggestions are welcome!