Architecture Digest

Aug 13, 2016 · Game Development

Doom 3 Network Architecture: Client/Server Model, Snapshots, and Compression Techniques

The article explains Doom 3's deterministic client‑server network architecture, describing how player inputs are sent to the server, how compressed state snapshots are returned at 10‑20 Hz, and the UDP‑based reliable/unreliable messaging and compression methods used to keep the game synchronized.