> Listen to this, your ISP would run 3 ntpservers, each one at the
> bottom of an independent pyramid.  Each one of the 3 servers could
> even be at the bottom of 3 independant pyramids for a total of 9
> independent pyramids.  So there you go, that's all you need to
> prevent against false tickers.  No need for a whole bunch of messy
> cross-links between the pyramids in my humble opinion.

If this happens at every stratum, that *is* cross-links; the pyramids
aren't independent.

If it doesn't happen at every stratum, what's magic about the strata
where it does?  Why doesn't it count as "a whole bunch of messy
cross-links" when every provider does this?  I sure have trouble seeing
the difference.

> I have been designing failsafe network communication architecture for
> very large projects and beleive me, ntp is a big mess right now.

Very large projects where the entire communication network architecture
is imposed top-down by the designer(s)?  That'll never fly for NTP.
NTP needs something that can be independently managed at all levels,
including joining and leaving.

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