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Date: Thu, 05 Jul 2012 11:02:57 -0700 From: Roy <r.engehausen@gmail.com> To: nanog <nanog@nanog.org> In-Reply-To: <20120705174249.GD28857@ucolick.org> Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org On 7/5/2012 10:42 AM, Steve Allen wrote: > On Thu 2012-07-05T10:26:22 -0700, Roy hath writ: >> Lets see. There have been nine leap seconds in 20 years. So at the >> start of the next century the difference will probably be less than a minute > There is no predicting how large the decadal variations in LOD will be, > but the difference should be somewhere between 1 minute and 3 minutes. > Please see these charts and tables for how unpredictable it is. > http://www.ucolick.org/~sla/leapsecs/dutc.html > >> Remember OpenTime is only for people who want their system clocks to >> ignore leap seconds. I don't include myself among the possible users of >> OpenTime. > Anyone who needs that can already do that using existing, deployed, > and tested code and hardware and the GPS system time scale. Please > see this worked example. Please do not invent yet another private > time scale. > http://www.ucolick.org/~sla/leapsecs/right+gps.html > > ... So basically the concept of OpenTime is already implemented. All that's needed is a list of Stratum-1 servers that anyone can use.
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