[ntp:questions] Re: isolated network + accuracy

Bjorn Gabrielsson bg at lysator.liu.se
Tue Dec 14 00:48:08 UTC 2004


"Richard B. Gilbert" <rgilbert88 at comcast.net> writes:

> Using an internet server as a time source will almost certainly not
> allow you to achieve 1ms accuracy!  10ms accuracy is possible over the
> internet but cannot be guaranteed.

I get sub 1ms time from internet servers. 

> 1ms accuracy is a very high standard and quite difficult to meet.  I
> don't believe that  Windows is capable of it.  Linux may not be
> either.   Some flavors of Unix are capable, at least in principle.  I
> believe that Solaris is.  I lack sufficient recent experience with
> other flavors of Unix to offer an informed opinion.

My Linux computers shows no problem reaching below 1ms. 



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