This was design question.
I have a single timer class which is running on a single port of a machine.
There are multiple clients that can send request to this timer class as follows.
request_timer (x)
where x is time in seconds.
when the timer class gets this request from a client it starts a timer object of x seconds and after x seconds are over it sends an event to the requesting client and client can handle the event the way it wants to .
The problem is if you have large number of clients then the timer class is single point of congestion and the clients may receive the event from it after a long time.
What are the good ways to scale this for a large number of clients?

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