Networking & Protocols

Speak HTTP, DNS, SSE and WebSocket at the wire level, and make a lossy channel reliable.

6 challenges · ~6 h

1. 1Build a DNS ResolverFreeCNAME chasing with TTL cachingIntermediate~55 minNot started
2. 2Build an HTTP Web Serverrequest parsing, routing, middlewareIntermediate~60 minNot started
3. 3Build an HTTP Client (curl)request serialization and redirectsIntermediate~55 minNot started
4. 4Implement Server-Sent Eventstext/event-stream framingIntermediate~45 minNot started
5. 5Implement WebSocket FramingRFC 6455 frames and client maskingAdvanced~60 minNot started
6. 6Build a Reliable Transport Layersequence numbers, acks, sliding windowAdvanced~60 minNot started