[ntp:questions] Resolution and Precision

David L. Mills mills at udel.edu
Fri Feb 16 18:14:12 UTC 2007


The SNTP documents don't discuss the resolution/precision issues. The 
draft NTPv4 spec, which by the way overtakes the prior SNTPv4 documents, 
is intended as the definitive document. You can find it in unformatted 
form at the NTP project page www.eecis.udel.edu/~mills/ntp.html.


Ry wrote:

> On Feb 15, 4:48 am, m... at udel.edu wrote:
>>You quoth ancient history. That was fifteen years ago and time has
>>marched onward. The present definitions of resolution and precision were
>>refined over many years of use and practice and very carefully sorted
>>out in the NTPv4 spec.
> Hi Dave,
> By "spec" do you mean the SNTPv4 RFCs? Or a draft of the full NTPv4
> RFC (which I can't seem to find)?
> Or by "spec" do you mean the documentation that comes with the code?
> Is there still an effort to product an RFC for NTPv4 underway? Or do
> the SNTPv4 RFCs suffice for describing the protocol (leaving the core
> clock algorithms up to the implementation)?
> Regards,
>   Ryan

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