On Fri, Oct 08, 2010 at 05:40:28AM -0700, Matt Hurd wrote: > > Know some guys here in Australia that are doing extremely accurate > timing with wireless, not for timing's sake but to measure movement in > dam walls and other infrastructure. Kind of like a localised GPS. > They have some very neat and accurate stuff. > > Had a play with some radio foo and managed to get about 880ns + air > time on bit to bit from tx to rx but haven't quite figured out how to > get super low latency yet. I think there may be a product in there > for wireless PPS dissemination for accurate timing to a cluster like > the guys do with the dam walls but I'm not sure if people really need > much more than what ptp can already do.
Yes, PTP could enable fairly tight time sync across a cluster, if it were used. -- David N. Lombard, Intel, Irvine, CA I do not speak for Intel Corporation; all comments are strictly my own. _______________________________________________ Beowulf mailing list, [email protected] sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
