[Pool] Pool server monitoring 12ms offset

Ryan Malayter ryan at malayter.com
Tue Jun 8 19:21:03 UTC 2010


2010/6/8 Dag-Erling Smørgrav <des at des.no>:
> Still marginally on topic, since routing affects NTP performance (both
> qualitative and quantitative).

Actually, could it be considered a flaw of the NTP protocol that it
does not take the prevalence of asymmetric routing into account?

Now, I'm not sure it's even possible to reason about the "hidden"
asymmetry in the network within a simple protocol like NTP. It could
be impossible to deduce the asymmetry without an externally
synchronized, high-precision time reference at each end. And if you
have that, you don't need to send NTP packets over the network.

-- 
RPM


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