ELI5 - How do Video Game servers work? : r/explainlikeimfive
Depending on your community size and budget, you can choose from several primary hosting architectures: Game hosting
Game hosting refers to the process of running a server that acts as the "middleman" for multiplayer video games. This server maintains the "source of truth," synchronizing actions like movement and combat across all players' screens in real-time. Core Hosting Models ELI5 - How do Video Game servers work