Advanced Topics

This section covers patterns that show up once a system is already distributed and you need to optimize for scale, coordination, and correctness.

  1. Microservices
  2. API Design
  3. Authentication
  4. Consistent Hashing
  5. Database Sharding
  6. Top 'K' Frequent Items

What to Focus On

  • Learn how services are split and how they communicate.
  • Understand the trade-offs of distributed ownership and operational complexity.
  • Treat these as the optimization layer after fundamentals and components.

Next Step

When you are ready to practice, move to Case Studies.