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

tglassey tglassey at glassey.com
Sat Jun 27 01:48:58 UTC 2009


Danny Mayer wrote:
> tglassey wrote:
>   
>> Danny Mayer wrote:
>>     
>>> Rob wrote:
>>>  
>>>       
>>>> Rick Jones <rick.jones2 at hp.com> wrote:
>>>>    
>>>>         
>>>>> Rob <nomail at example.com> wrote:
>>>>>      
>>>>>           
>>>>>> This is no longer required.  You can just use pool.ntp.org or
>>>>>> 0.pool.ntp.org and the DNS servers for the pool will automatically
>>>>>> determine which servers are closest to you.
>>>>>>         
>>>>>>             
>>>>> Is that by geography, hop count or ICMP echo RTT?
>>>>>       
>>>>>           
>>>> By geography, just like the zones that were mentioned in the post above.
>>>> However, they are more fine-grained, especially when compared with
>>>> large zones like us or eu.
>>>>
>>>>     
>>>>         
>>> How are you going to know the geography. DNS clients does not supply
>>> that information even if they knew it and it's certainly not part of the
>>> DNS protocol.
>>>   
>>>       
>> Danny isnt the location data potentially available as part of HOST
>> listings and Location Records?
>>     
>
> What Host listings and Location Records? There are no such types
> available in DNS and even if they were they would not be local to the
> nameserver responding. In any case such records would be entirely
> voluntary, ie never added to a nameserver anywhere.
>   
Ah, let me be clearer -  I didn't say lots of people were using it, and 
it is as well as defining Well Known Services. As it happens though 
there are some folks who do use these. Especially true with some of the 
military BF (battle field)  process equipment.

Todd

> Danny
>
>   
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