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How can something be real-time, if there is a websocket connection in-between. How do you ensure real time? In real-time applications response times must be guaranteed. Seems impossible to me with websocket connections.



I mean real-time apps in the colloquial sense - applications where two people see the same state nearly instantly. In the strict computation sense, it’s true that you can’t guarantee an upper bound for delivery of a message. This isn’t just a limitation of WebSockets, it’s a limitation of TCP/IP, which don’t provide a way to reserve bandwidth along a path between hosts (IIRC).




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