On Nov 10, 2010, at 2:31 PM, Richard B. Gilbert wrote:
>> The IP concept is based on addresses being constant.
> 
> Really???

Yes, if you enter an IP address of a timeserver into the config, you are 
indicating that such timeserver is not going to move until you change the 
config again.  If you enter a DNS hostname into the config, it should be paying 
attention to the DNS TTL and periodically re-resolving it to see whether the 
A/CNAME record changed to a new IP (clamping the TTL to a sane range, perhaps, 
if needed).

> I get a new address, potentially, every time I boot.

That's perfectly OK as a client.  However, someone in a dynamic IP pool 
typically shouldn't be providing / advertising NTP services....

Regards,
-- 
-Chuck

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