[ntp:questions] Can NTP sync within 1ms

William Unruh unruh at invalid.ca
Mon Apr 28 19:20:49 UTC 2014

On 2014-04-28, Rob <nomail at example.com> wrote:
> William Unruh <unruh at invalid.ca> wrote:
>>> All in all it is funny to read all the "that cannot be done"-like comments
>>> by several persons on a ntp newsgroup while systems like this have been in
>>> use since the seventies, and in fact have already been build by amateurs
>>> and are in operation today.  So I prefer to go by the experience of
>>> the people who built those networks, rather than the armchair experts.
>> Not, "it cannnot be done", but "it is silly to try". I simply have a
>> really really hard time figuring out why you want to do that. 
> You apparently are not familiar with the radio amateur hobby.
> Most people have a hard time figuring out why you would want to construct
> a repeater to talk to someone else driving around in a car, when you
> could simply dial his number on the mobile phone.

That was not what I had trouble figuring out. 

>> If it really is 12us I would be really interested in knowing why. I
>> might even learn something.
> I already said that I was suprised about this as well, but I have heard
> it from two different persons who had not been working together and
> it was explicitly asked if if would not be 12ms instead of 12us.

And they did not explain themselves!?

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