[ntp:questions] Number of Stratum 1 & Stratum 2 Peers

Rob nomail at example.com
Fri Dec 5 10:09:18 UTC 2014

David Taylor <david-taylor at blueyonder.co.uk.invalid> wrote:
> On 04/12/2014 20:03, Rob wrote:
> []
>> It is not good practice to use "pool" on 100-1000 internal systems,
>> presumably via NAT, to poll time from internet.
>> Simple advice is: setup 1 NTP server when you are always monitoring,
>> or 2 servers when you cannot always be on watch to fix the one server,
>> and keep them mutually synchronized.
>> That will work OK in a company.  Maybe not in the head of a thought
>> experimenter, but that is normally not what companies are after.
> I was thinking of the general user.
> For internal systems I would want four servers minimum, two on-site, and 
> two on the company WAN,

I think that is ridiculous.  Introducing too many safeguards often
results in more failures due to extra complexity in the system.

Just two servers is more than adequate for the typical network where
of course the servers are being monitored and alerts are being handled
in a timely fashion.

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