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I don’t care.

Get a job in industry and see for yourself.

I’m not going to break confidentially to sate your ignorance.

I'm actively trying to remove my own ignorance of the domain which is why I posed the question! You're not breaking confidentiality by saying "I need X to solve Y problem which is offered by Z and we can't expose even the application layer interfaces." Right now it sounds like you don't have an answer, or even understand the question.

Getting all defensive and not answering it doesn't really help your industry's case here.

So when you told me that games use web tech on the backend, that was you getting rid of your ignorance?

Ok, lets talk about the kinds of things we need.

Networks have latency, so we need to smooth/correct for that.

Our connections need to be authenticated, so we need middleware to handle tokens, because we don’t hand-roll that. On a binary protocol.

Our physics engines are complicated: we don’t usually write our own from scratch; and the server needs physics to simulate the world.

Shall I continue?

Reply on news.ycombinator.com