system-design

Concepts

• CAP Theorem ✅
• Consistency Patterns : Weak , Strong , Eventual ✅
• DNS ✅
• Cache ✅
• CDNs
• Short polling, Long polling , Push , Server Sent Events ✅
• Message queues, pub-sub systems : Kafka , RabbitMQ ✅

Protocols

• OSI Layers ✅
• IP ✅
• ARP ✅
• TCP ✅
• UDP ✅
• Websockets ✅
• HTTP ✅
• TLS ✅
• WebRTC ✅
• RPC (gRPC) ✅
• SMTP

Database

• ACID ✅
• Database Internals ✅
• Indexing ✅
• Partitioning ✅
• Sharding ✅
• Concurrency Control ✅
• Consistent Hashing ✅
• Replication ✅
• Engines and Security ✅
• Homomorphic encryption
• DBMS
• No SQL Database
• SQL vs NoSQL
• REDIS
• Postgres Architecture ✅

Microservices

• Decomposition patterns
• Database patterns
• Integration patterns
• Communication patterns
• Deployment patterns
• Service discovery
• Reliabilty : circuit breaker
• Security: Access tokens