Subtrack

Protocol Implementation

Build real protocols from their RFCs. Implement a DNS resolver, HTTP/1.1 server with persistent connections, Redis RESP client, MQTT publisher, WebSocket frame parser, and NTP client.

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~315 Minutes 7 Challenges

write a simple HTTP server in C

About this subtrack

Protocol Implementation covers DNS, HTTP, WebSocket, and friends as parsers and small servers.

Protocol Implementation

About this subtrack

Tasks (7)

Implement a DNS Resolver

Implement an HTTP/1.1 Server That Serves a File

Implement HTTP/1.1 Persistent Connections (Keep-Alive)

Implement a Simple Redis Client That Speaks RESP

Implement the MQTT Protocol for IoT Messaging

Implement a WebSocket Handshake and Frame Parser

Implement NTP: Query a Time Server and Parse the Response