On 2011-12-26, David J Taylor <[email protected]> wrote:
>
> "unruh" <[email protected]> wrote in message 
> news:[email protected]...
> []
>> ntpd does NOT take a long term veiw. The decision made in designing it
>> wasw that it would be a short term Markovian feedback loop. It does not
>> have any memory If the offset is positive speed up the clock, if
>> negative, slow it down.
>>
>> If you want a program with a different design philosophy, get chrony. It
>> remembers up to 64 of the last measurements and uses them to determine
>> what the best estmate is of the actual offset and rate error in the
>> local clock is. (It uses linear regression, corrects past measurements
>> for current offset and rate changes, and tests to make sure that a
>> linear fit is a good estimate, decreasing the number of remembered items 
>> if it is
>> not.)
>
> I would be interested to try a Windows port of chrony, if it can be 
> managed at least to the extent of obtaining the offset with an SNMP call, 
> or a simple program.  My present monitoring uses a Perl script to parse 
> the output of an "ntpq -c rv" request.

Unfortunately no windows port exists. Linux, BSD only for now. 


>
> Cheers,
> David 
>

_______________________________________________
questions mailing list
[email protected]
http://lists.ntp.org/listinfo/questions

Reply via email to