[ntp:questions] NTP Third party client on Windows OS ?

Danny Mayer mayer at ntp.isc.org
Mon Sep 24 01:31:49 UTC 2007


Dennis Hilberg, Jr. wrote:
> Evandro Menezes wrote:
>> On Sep 23, 1:37 pm, Evandro Menezes <evan... at mailinator.com> wrote:
>>
>>> Here's what I mean:http://img250.imageshack.us/img250/8264/peerstatsde3.png
>>> (the flat line is for the time that the system was shutdown).
>> And, for completeness sake: http://img259.imageshack.us/img259/7841/loopstatsfh7.png.
>>
> 
> If it's any help, my Windows XP machine also performs poorly with 
> timekeeping.  The frequency varies quite a bit and almost seems random, and 
> as a result the offset suffers.
> 
> Even with default settings the poll interval on its peer rarely exceeds 256, 
> but spends most of its time at 64.  One time I set minpoll 4 in the options, 
> to see if a lower poll would help it perform better.  It ended up spending 
> most of its time at poll 16, but the performance was a lot better.  I keep 
> it at minpoll 4 maxpoll 4 now, with good results compared to what it was.
> 
> I run the Meinberg NTP distribution, but am considering going back to the 
> Automachron SNTP software ( http://www.oneguycoding.com/automachron/ ) that 
> I used for years.  It's easy to configure and it works well for the Windows 
> machines.
> 
> It's possible that Windows just isn't sophisticated enough for a precise 
> timekeeping implementation like NTP.  Although its performance might be 
> better in a server environment rather than a workstation environment.
> 

No, it does pretty well even on Windows. Most of my windows boxes that
run NTP are pretty accurate and stable. Dave Taylor publishes the stats
for his boxes and those are always pretty good.

Danny



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