In article <[email protected]>, David Woolley <[email protected]> wrote:
> [email protected] wrote: > > Has there been any independent comparison of NTP vs RADclock [1]? > > Information on the RADclock site seem to indicate it performs pretty > > well, but I haven't seen any analysis except from the RADclock > > authors. > > This is the first I've heard of it, so I assume that it has never > appeared on this newsgroup, and its authors are not active here. > > What really annoys me, though, is that it fails to describe the essence > of the algorithm on the first page. That's par for the course for > commercial software, but this says that it is open source. Can you > point me to where this information is provided (I think ntpd has a > similar problem, though). > > > > > I'm using NTP today for synchronization between devices on a LAN to > > each other of an internal clock separate from the system's normal wall > > clock (which uses the system's NTP). So I have flexibility with update > > intervals (1-3 seconds acceptable in my case) and other parameters. > > > > [1] <http://www.synclab.org/radclock/> I looked at one of their demonstrations, TIM_2008_camera.pdg, where they showed 10 microsecond sync over a LAN, with very bad NTP performance. But I've done 7 microsconds with NTP in a quiet testbed on 1996-era hardware, so I don't know what the problem with NTP was. I'll have to read the paper more carefully. Joe Gwinn _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
