[ntp:questions] Re: OS recomendations for stratum 2 clocks
Al Dykes
adykes at panix.com
Fri Sep 9 02:03:37 UTC 2005
In article <7fa26$4320407a$d4ba4194$30047 at news.chello.at>,
Helmut Wollmersdorfer <helmut at wollmersdorfer.at> wrote:
>Brad Knowles wrote:
>
>> There are OS and hardware configuration issues that are common to
>> all these platforms. On the right hardware, with the right OS
>> configuration, any of these OSes should be adequate for most purposes.
>
>> They will at least get you down into the millisecond range for
>> accuracy, assuming you have good low-latency network connectivity to an
>> adequate number of good quality upstream time servers.
>
>Sorry, but this is a little bit unrealistic. You can get down to the
>millisecond range with public time servers during 99% of the time, _if_
>everything is working nice. But networks are not always working nice.
>
>Thanks my SHM radioclocks I'm within the millisecond most of the time,
>during thunderstorms within 10 ms. If everything (no network
>bottlenecks, no reboot, no high load) is very fine for some hours, then
>my servers are within 0.040 ms.
>
>See my graphs at http://212.186.222.206/munin/ - I show them to naive
>admins, who configure only one server from the pool as reference.
>
>Helmut Wollmersdorfer
Does anyone know about radios for the WWWV 60Khz time signal?
How well does 60KHz get into buildings?
--
a d y k e s @ p a n i x . c o m
Don't blame me. I voted for Gore.
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