The Valve docs there are very well written. It was the first time I really understood all the concepts too. Overview of Source engine networking: https://devel

The Valve docs there are very well written. It was the first time I really understood all the concepts too. Overview of Source engine networking: https://developer.valvesoftware.com/wiki/Source_Multiplayer_Networking https://developer.valvesoftware.com/wiki/Source_Multiplayer_... Ways they combat latency: https://developer.valvesoftware.com/wiki/Latency_Compensating_Methods_in_Client/Server_In-game_Protocol_Design_and_Optimization https://developer.valvesoftware.com/wiki/Latency_Compensatin... Lag compensation (server): https://developer.valvesoftware.com/wiki/Lag_compensation https://developer.valvesoftware.com/wiki/Lag_compensation Prediction (client): https://developer.valvesoftware.com/wiki/Prediction https://developer.valvesoftware.com/wiki/Prediction