[time-nuts] Low-long-term-drift clock for board level integration?

Bill Woodcock woody at pch.net
Mon Feb 20 23:12:50 UTC 2012


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On Feb 20, 2012, at 8:34 AM, Achim Vollhardt wrote:
> what about White Rabbit?
> It delivers Gigabit Ethernet and precise (<1nsec) timing over singlemode fiber. 

Ahah, but if I had singlemode fiber between locations all over the world, I wouldn't use it to measure the Internet, I'd use it to REPLACE THE INTERNET!  :-)

Seriously, though, thank you for the suggestion, but I'm guessing it'll be easier to start with NTP than with IEEE 1588, since the former assumes the Internet as its operational environment (which is what we actually have) rather than assuming a more predictable network with controlled latencies.

                                -Bill




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