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by Animats 3775 days ago
Chip-scale atomic clocks are now about $1500.[1] This just gets you a 10.0000000000 MHz oscillator; something else has to count time and provide output.

Passing around the max sequence number as a monotonic sequence indicator has a risk. A bogus sequence number near the max value can cause serious problems.

[1] http://www.microsemi.com/salescontacts?ctype=3