[ntp:questions] What is the "best" synchronization possible over the network?
ntp at tla.org
Tue Feb 10 23:30:31 UTC 2009
The problem setup: two locations, both within the United States, neither
has roof access so no GPS reception is possible. How do you synchronize
them with better than 50-microsecond accuracy? Straight NTP over the
Internet doesn't do the trick. They don't need to actually be
synchronized to "real" time, they only need to be synchronized to each
other. Assume reasonably unlimited resources (running a private fiber
plant across the continent *is* unreasonable).
I've looked into slaving something off a voice-carrier time base, but
that's not accurate enough. Maybe something over raw SONET would do the
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