Recommended Number of NTP Servers

[Achim Gratz]

Richard Laager via devel writes:
> Each of these names (N.debian.pool.ntp.org) resolves to only 4 IPs.* The
> four of them resolve to (mostly) non-overlapping IPs. In other words, if
> I resolve only one name, I get 4 IPs, but if I resolve all four names, I
> get 15 IPs. If I wait 150 seconds for the TTL to expire, I do get more
> IPs. But using all four names definitely gets me IPs a lot faster, which
> makes a difference for initial convergence.

OK, that is a valid argument.  I don't rely on pool servers for the
bootstrap and only use them as fallback after, so the few minutes it
takes for the single pool statement in my config to fill all slots
doesn't bother me.


Regards,
Achim.
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