how people on opposite sides of the earth can play video games together seemlessly when these games require split second actions
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Something I haven’t seen mentioned is that beyond internet speed, game developers use various tricks to help as much as possible.
One thing is that most games transmit the bare minimum required amount of information to the server. Your system isn’t giving the server a full rundown of everything you’re seeing in-game; it’s strictly telling it your actions, and it’s able to describe those actions in an extremely efficient shorthand.
The second thing is that there is some amount of predictive calculations that these games can do ahead of time before you commit some action. Not enough to predict the future of everything you’ll do, just enough to kind of get a head start, in between your direct inputs. It’s kind of just like filling in the blanks or finishing someone’s sentences. This can further cut down on the amount of raw data that needs to be transmitted.
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