[ntp:questions] Meinberg NTP Software--Time Accuracy

Richard B. Gilbert rgilbert88 at comcast.net
Thu Jun 25 22:41:43 UTC 2009


David J Taylor wrote:
> W. eWatson wrote:
>> Back for a few words and questions.
>>
>> What is Restart used for? Why aren't Stop and Start sufficient?
> 
> Restart (in the Services manager) is handy when you have just changed 
> the config file and want to do a stop and an immediate start....
> 
>> What sort of accuracy might I expect from my 4 servers, as mentioned
>> above? Are those servers applicable to any site in the USA or Canada?
> 
> With Internet servers on Windows I would expect around 100ms accuracy - 
> perhaps better.  That's an order of magnitude figure, though.
> 
> Glad you like TinyBen - I haven't measured it but I would hope that the 
> hands change within about 100ms of the computer clock changing.
> 
> Cheers,
> David

Assuming reasonably good servers with low delay, I would expect to get 
+/- 10 milliseconds or better.  The absolute best you will be likely to 
see occurs between 1AM and 6AM local time; the world (your part of it) 
is asleep, the net is unbusy. . . .




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