ntpd: program structure

Eric S. Raymond esr at thyrsus.com
Fri Jan 11 16:30:58 UTC 2019


Achim Gratz via devel <devel at ntpsec.org>:
> By the end of 2016 the request rate grew to about 7000 per second (not
> specified which server, so I assume for all three).  The paper didn't go
> into any further details of the NTP service.

OK, then, say, 2.5K requests per second per server.  That means to stay ahead
of the processing load it has to handle the CPU-limited part in 0.4us.

That doesn't seem to me like it's going to load a modern processor a lot.
Even my RasPis could handle that action.
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