[time-nuts] How does NTP's local clock estimation work in detail?

Paul Alfille paul.alfille at gmail.com
Fri Mar 6 16:30:42 EST 2015

Why not look at Poul-Henning Kamp's excellent rework: ntimed,


He rethinks and reworks the client part of ntp, And makes a very
approachable series of explanations at his site.

On Fri, Mar 6, 2015 at 11:23 AM, Attila Kinali <attila at kinali.ch> wrote:

> Moin,
> I am a little bit stuck here. I am trying to work out the math behind
> a synchronization of clocks problem. It shouldn't be too difficult,
> but every couple of minutes I'm getting stuck at some details and it
> takes me always a lot of time to get around it. I'm pretty sure that
> what I am doing is similar to what NTP does locally after it got an
> estimate on it's time difference. I tried to look up what NTP does
> but I got lost in the huge amount of papers/presentations.
> Could someone point me to some papers that explain what NTP
> does locally? If possible in compact form.
> Thanks in advance
>                                 Attila Kinali
> --
> It is upon moral qualities that a society is ultimately founded. All
> the prosperity and technological sophistication in the world is of no
> use without that foundation.
>                  -- Miss Matheson, The Diamond Age, Neil Stephenson
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