On 2010-05-09, Rob <[email protected]> wrote: > unruh <[email protected]> wrote: >>> Maybe the chrony people should have started with a fork from ntpd. >>> Then I would probably be using it now. >> >> I doubt it. chrony was largely written by one person, Richard Curnow. >> His philosophy on how to control clocks was completely different from >> Mill's and has been shown to work much better. It has now been taken >> over by a small group with M Lichvar contributing most to the >> development. It is a well developed program, different from ntpd in many >> many ways, and experimentally much better in many many ways. It needs >> theoretical work (eg are there conditions in which it becomes unstable? >> Are there conditions under which it performes worse than a simply >> Markovian feedback device that ntpd uses? Are there conditions in which >> the clock filter algorithm of ntpd might be useful, and how can one >> recognize them automatically. etc) and implimentational ideas. >> >> But as to you using it, I have no idea why, if it were called a fork of >> ntpd you would be more likely to use it. > > I have heard that it does not support local reference clocks.
It does now. Lichvar added support. shm in particular. PPS support. > I have a DCF-77 receiver and a GPS receiver which is interfaced via gpsd. > My understanding is that chrony cannot use those, and uses only other > servers via the network. > That is not very useful for me. Well you should now be happy. > When it had started as a fork from ntpd, this issue would probably not > exist (because ntpd supports both my local reference clocks). You can actually use a modified ntpd to feed any of the ntpd reference sources to chrony. _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
