Hello Professor Mills,

I have a lot of respect for the delicate and sophisticated NTP internals. Actually too much respect to get in touch with them.

Rather I'm using NTP as a tool. A tool that measures (or helps me to measure) the system clock's frequency error.

Cheers
Daniel



David L. Mills wrote:
Daniel,

The frequency measurement uses the feedback loop described in detail on the architecture and clock discipline briefings on the NTP project page linked via www.ntp.org. A simple average is not good enough as it does not account for the heavy-tail effects due to the random-walk character of the clock oscillator frequency.

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