I doubt consumer web is every going to reach the performance requirements faced in the financial world. Even in gaming where latency is key, sub-100ms latency isn't necessary because humans can't process data that fast.
When I was working at financial data provider where we were serving several hundred thousand users with real time equity prices we looked at the rate which human traders could follow price updates on screen and throttled displayed prices to that speed. I imagine any kind of consumer web product will stop at a similar point.
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I doubt consumer web is every going to reach the performance requirements faced in the financial world. Even in gaming where latency is key, sub-100ms latency isn't necessary because humans can't process data that fast.
When I was working at financial data provider where we were serving several hundred thousand users with real time equity prices we looked at the rate which human traders could follow price updates on screen and throttled displayed prices to that speed. I imagine any kind of consumer web product will stop at a similar point.