On 4/11/2023 1:28 PM, David Woolley wrote:
On 11/04/2023 18:21, Jakob Bohm wrote:
I wonder when and why this advice changed from 3 to 4. When I started
I'm pretty sure that Byzantine General protection has been advised for
more than 15 years. It's in the NTPv4 RFC, so it is at least just
4 is better than 3 because from time to time, one of them will be
unreachable. If one uses 3 and this happens, there is nobody to break a
tie.
I recommend also having these top-tier time sources 'peer' with each other.
What is your "interesting" issue with leap seconds?
H
On 4/8/2023 7:49
Dear All,
I would say 3 ntp servers are also fine and good enough as there are never
taken more than 3 servers.
If there are no stratum-1 server available I would define at least 4 pools for
these 3 NTP servers.
I can tell you what I have done. Without claim to be correct.
I have 3