[ntp:questions] Jitter versus polling interval

Unruh unruh-spam at physics.ubc.ca
Sun Mar 1 18:38:01 UTC 2009


"David J Taylor" <david-taylor at blueyonder.neither-this-bit.nor-this.co.uk> writes:

>I know it's probably one of those "how long is a piece of string" 
>questions but....

>Does anyone know an approximate relationship between polling interval and 
>peak-to-peak jitter for a non-ref-clock system?  I.e would the jitter 
>offset) go up linearly with polling interval, or as the square, or what?

It depends on what is causing the jitter. It may well go down with polling
interval, and then go up again. Or stay constant and then go up, or ....







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