The System Design roadmap

Every System Design lesson we teach, laid out as one path. Each station is a stage; tap any lesson to open it. Stations turn teal as you finish them.

Legend:Lesson stageStage completeTap a lesson to open it

System Design: Scalability Fundamentals

Horizontal vs Vertical Scaling

Availability, Reliability & 9s

Latency vs Throughput

The CAP Theorem

System Design: Network & CDNs

DNS (Domain Name System)

CDNs (Content Delivery Networks)

Edge Computing

Forward vs Reverse Proxies

System Design: Load Balancing

Layer 4 vs Layer 7 Load Balancing

Algorithms (Round Robin, etc.)

Consistent Hashing

API Gateways

System Design: Data Tier & Scaling

SQL vs NoSQL Tradeoffs

Database Replication (Master/Slave)

Database Sharding & Partitioning

Object Storage (S3) vs Block Storage

System Design: Caching Strategies

Redis & Memcached

Cache Aside & Write-Through

Cache Eviction Policies (LRU)

Content & Query Caching

System Design: Asynchronous Processing

Message Queues (RabbitMQ, SQS)

Event Streaming (Apache Kafka)

The Pub/Sub Pattern

Background Jobs & Workers

System Design: Architectural Patterns

Monoliths vs Microservices

Event-Driven Architecture

Serverless Architecture

CQRS & Event Sourcing