>""Howard C. Berkowitz"" wrote in message >[EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > >> In the ongoing IETF BMWG work on routing convergence, we are hoping >> that NTP will be good enough to track protocol behavior, but some of >> the more statistically-minded researchers are worried that it will >> not. I'm hoping that most of our basic measurements can be done using >> NTP-synchronized routers as the source and sink of data, but other >> workers are pressing for GPS or other, more accurate time >> synchronization. > >I thought the NTP stratum 1 reference clocks were about as accurate as one >can get.
Those clocks are. The question is the NTP timer in the router drifting away from the reference. > >Off topic a bit, but one of my installed utilities is an SNTP client that >can use any public time source as a reference clock. I'm using NIST, NASA, >or the USNO depending. Aren't these sources based on the atomic clocks that >claim accuracy of 1 millisecond per century or so? > >http://www.arachnoid.com/abouttime/index.html >( several interesting free things here) > >free - subject to the terms of the license agreement >http://www.arachnoid.com/careware/index.html >( something at least one person on this list needs to take to heart ) Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=30630&t=30630 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
