[System Design] Building Blocks of System Design

DNS

Load Balancers

Databases

Key-Value Store

CDN
Sequencer
Distributed Monitoring
Monitoring Server-Side Errors
Monitoring Client-Side Errors
Distributing Cache
Distributing Message Cache
Pub-Sub System
Rate Limiter
Blob Store
Distributed Search
Distributred Logging
Distributed Task Scheduler
Sharded Counters