— AFAIK speed limit only in apache conf or nginx. but I maybe wrong. I will google it
— Depends on how you gonna serve video, you may do it through php
— Get request, check session id (set speed), send header, send content..
— Did you answered why you are doing this?
— It will use php proccess than down the machine. but thats maybe worth to try
— Everything will use process
— To make faster video load
— Faster faster) what are you talking about? it's simple a file
— Https://en.wikipedia.org/wiki/Real_Time_Streaming_Protocol