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Comprehensive System Design Series: From Monolith to Microservices and Beyond

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Ultimate System Design Learning Playlist Overview

  • Target audience: software engineers, students, developers aiming for FAANG
  • Covers theory plus real-world scalable system builds like BookMyShow, Amazon, IRCTC, Spotify
  • Focus on practical code, concurrency, order placement, HLD & LLD concepts

Phase 1: Foundational Concepts

  • Monolithic vs Microservice Architectures and conversion strategies
  • Microservices communication, API Gateway vs Load Balancer distinctions
  • Load balancer types & algorithms (round robin, IP hashing), proxy & reverse proxy concept and differentiation
  • Deployment sequencing, concurrency maintenance techniques

For a detailed analogy on designing scalable systems, refer to Scalable System Design Explained Using a Restaurant Analogy.

Phase 2: Networking Protocols & API Design

  • TCP, UDP protocols with focus on transport layer
  • HTTP, HTTPS, WebSockets, WebRTC under application layer
  • REST APIs vs gRPC: building APIs using gRPC
  • CDN functionality & its importance for global platforms like Netflix
  • Caching principles and request rate limiting techniques

Explore fundamentals and tools for effective API testing in Comprehensive Introduction to API Testing Fundamentals and Tools.

Phase 3: Distributed Systems & Databases

  • Distributed systems overview; CAP theorem explained (Consistency, Availability, Partition Tolerance)
  • Database choice criteria based on data structure, query patterns, scalability needs
  • SQL vs NoSQL use cases; Indexing, sharding (including name-based & regional sharding)
  • Consistent hashing mechanism for load and data distribution among servers
  • Distributed transactions management using two-phase & three-phase commits
  • Event-driven architecture, messaging queues like Kafka & RabbitMQ

Gain deeper architectural insights in Understanding Hexagonal Architecture: Transforming MVC Applications.

Phase 4: Containerization & Cloud Services

  • Containerization essentials with Docker
  • Serverless vs EC2 architectures on AWS
  • Deploying scalable applications using cloud-native tools

Learn about key AWS services in Top AWS Services Explained for Beginners: EC2, S3, IAM & More.

Additional Topics Covered

  • Authentication, authorization, encryption (end-to-end with private/public keys)
  • Cron jobs for efficient long-term data management
  • Polling mechanisms, file uploads, pre-signed URLs, and handling media storage
  • Practical coding examples and migration from monolith to microservices
  • Load balancer vs API gateway placement in high availability environments
  • Real world scalability from zero to millions of users

For implementation examples and migration strategies, see Unlocking Microservices in the Browser with Single-SPA.

Key Takeaways

  • System design is crucial for building scalable and reliable real-world systems
  • Microservice architecture solves issues with monolithic systems like single points of failure
  • API Gateways abstract and simplify client-service communication
  • Load balancing and caching are vital for performance and reliability
  • Consistency and fault-tolerance in distributed systems are achieved through CAP theorem trade-offs
  • Proper database choice and sharding strategies are essential for handling large scale data
  • Messaging queues enable asynchronous communication solving availability and decoupling challenges
  • Security through SSL certificates, authentication, and encryption is foundational for safe communications
  • Cloud and containerization modernize deployment and scalability

For Beginners and Advanced Engineers

  • The playlist is structured week-wise for progressive learning
  • Theoretical concepts paired with coding; real system designs like Amazon & Spotify
  • Interview question preparation included
  • Emphasizes understanding system trade-offs and practical solutions

Summary

This comprehensive system design series walks learners through essential modern architecture concepts, practical coding implementations, and key infrastructure components. It targets building highly scalable, resilient, and efficient real-world software systems, blending theory with realistic projects to prepare engineers for industry challenges and interviews.

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