[ntp:questions] Meinberg NTP Software--Time Accuracy

tglassey tglassey at glassey.com
Wed Jun 24 03:03:46 UTC 2009


Danny Mayer wrote:
> W. eWatson wrote:
>   
>> I would guess that possible server locations can be found in a list like 
>> <http://support.microsoft.com/kb/262680>, which shows NIST servers, and 
>> Level One Servers.
>>     
>
> It also shows level 2 stratum and incorrectly states that there are only
> 2 levels. It's worrying that they are publishing this in a KB article
> because even those servers change from time to time and they certainly
> should never be including the IP addresses. I'm not sure where they got
> the list but if they got it from us then they should have just posted a
> pointer to it since the stratum operators can change their information.
> Furthermore almost all stratum 1 and 2 servers that we list have
> restrictions on usage which are covered by the rules of engagement.
> Microsoft did not publish the limitations.
>
> Danny
>   
I would worry more about the fact that some of the S1 addresses are 
wrong since this list towards the bottom of the page is better than a 
decade old. Notice it still lits CertifiedTime.com as a carrier/provider? -

Todd Glassey
>   
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