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

Rob nomail at example.com
Thu Dec 4 20:03:00 UTC 2014

David Taylor <david-taylor at blueyonder.co.uk.invalid> wrote:
> On 04/12/2014 11:53, Rob wrote:
> []
>> In practice this problem does not occur when you use only your own
>> servers that you monitor and trust, and it confuses people that
>> want to setup NTP on their company network.
>> They get sent away with "you need to configure and maintain 4 servers
>> or better even more".  When the servers either are synced correctly
>> or are down, this is not required.
> These days, perhaps the best simple advice is to encourage the use of 
> the "pool" directive and let NTP choose as many servers as it thinks are 
> appropriate.
> Yes, I did say "simple advice".

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.

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