HTTP is the de-facto standard protocol of the internet and heavily used in almost all systems - in depth understanding of HTTP is crucial for design, performance scaling and day to day operations.
Part 1 (~1h) HTTP Overview - History and Concepts
- Where is HTTP in the protocol stack, re-cap of HTTP versions, overview of well-known web servers (Apache/Nginx)
- Concepts - URI, method type, status code, header, etc.
- Advanced topics - Virtual hosting, Reverse/Forward proxies, TLS, protocol extensions, load-balancer, CDN.
- HTTP/2
Part 2 (~2h) [Hands On] Writing a web server
- Creating a basic HTTP server from scratch (URL and headers parsing, req/res flow)
- Implementing virtual hosting and dynamic routing
- Improving client handling with cache, compression, timeouts and keepalive.
Part 3 (~1h) [Hands On] Implementing advanced features
- Reverse proxy, SSE, SNI-based routing (TLS)
- HTTP pipelining (/multiplexing) and head-of-line blocking