[ntp:questions] Sub-millisecond NTP synchronization for local network

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Fri Dec 5 01:54:17 UTC 2008


>A 50PPM frequency error produces over a 100ms error in the system time,
>before it settles down with a half life of about 1 hour. That means it
>takes 6 hours to get rid of that 100ms error. 

>Even a non-timgeek might notice that. 

The non time geeks I've worked with wouldn't notice anything
unless the time was off enough so that things like make got confused
because time stamps on NFS mounted file systems were out of sync.

-- 
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