On 1/4/2010 7:30 AM, B wrote: > An indicator of expecting time is important and I know > about the error bounds, but I want to use a value(jitter) > as an indicator of the expecting time relative offset. > The jitter isn't introduced before NTPv4 and where I am > doing my master thesis they are using NTPv3(RFC-1305). > > Is it possible to use dispersion relative offset as an > indicator of expecting time? > > My idea, peer.dispersion represents the maximum error in > offset and maximum error of half the roundtrip delay. > If dispersion is bigger than jitter, ie jitter is bounded > by dispersion, then dispersion could be used as an > indicator of expecting time relative offset.
AFAICT Dispersion is, the diff to stratum 0 (UTC). Offset is the diff to combined offset from the selected truechimer peers reference times. Jitter is relative to that combined peer offset, not to strat 0 (UTC). -- E-Mail Sent to this address <[email protected]> will be added to the BlackLists. _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
