2010/6/17 unruh <[email protected]> > On 2010-06-16, Marcelo Pimenta <[email protected]> wrote: > > 2010/6/16 Rob <[email protected]> > > > (...) >
> > In my case, I have* only one* network. My Time Server is not a machine, > is a > > meinberg GPS. In my point of view, if my source time were machines, maybe > A Meingerg GPS IS a machine. > I agree, I said machines equipment like PC computers with Windows or Linux SO. Meinberg GPS is a machine, but a machine with specific hardware and SO to receive and give time. > > NTP could be better to find a middle line between all these machines used > as > > time servers. But if I am using a very good and reliable GPS(Meinberg) > with > > a lot of satellites giving it the correct time, and it's pluged directly > in > > my switch, I think that in this case, NTP will not make any difference. > > Sure it will. ntp is designed to deliver as accurate a time as poosible > It does not care if the soruce is anohter computer, a GPS a radion > transmitter, a CDMS clock broadcast, or someone's wristwatch. > > One of its key purposes is to make sure that it gets rid of time > transmission delays as much as possible, and to make sure that the > clocks it uses are sensible. > Note that your Mienberg gps could also give bad time. Someone could > decided that they should enclose it in a coper wire mesh, making the gps > signal inaccessible. Or the computer could fail. or.... > > Meinberg could give me bad time but I have feedbacks about it and a contact that can close when an antenna fail or other part of GPS fail and cannot garantee the time. > > _______________________________________________ > questions mailing list > [email protected] > http://lists.ntp.org/listinfo/questions > _______________________________________________ questions mailing list [email protected] http://lists.ntp.org/listinfo/questions
