[ntp:questions] NTPD can take 10 hours to achieve stability

unruh unruh at wormhole.physics.ubc.ca
Mon Apr 18 22:50:49 UTC 2011


On 2011-04-18, E-Mail Sent to this address will be added to the BlackLists <Null at BlackList.Anitech-Systems.invalid> wrote:
> Rob wrote:
>> You assume that your measurement scale is very coarse.
>> Your reference is seconds and you can only measure plus
>>  or minus one second.
>> But that is not true in NTP with a local reference clock.
>> It can measure to microseconds or even nanoseconds.
>
> Isn't that going to be very defendant on the clock
>  resolution and precision, not only of the client,
>  but that of the servers, stuffing the non significant
>  bits of the timestamp fraction of a second with

??? Sure except that any self respecting server does not 
"stuff the non significant bits of the timestamp fraction of a second
with randomish noise"

If it does, get a new server. 

>  randomish noise?
>




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