[LEAPSECS] Leap Sec vs Y2K

[Warner Losh]

On 12/12/2010 11:28, Paul Sheer wrote:

>

> And is this 1000km radius precisely syncronized to all other 1000km 

> radii around all airports in the world?

>

> No it need not be. I'm guessing that some may not even use NTP at all 

> - or even be connected to the  Internet to be able to use NTP.

All major airports are aligned to WGS84.  You don't synchronize a 
position, after all.

GPS can be used to synchronize time in the absence of NTP.  NTP can be 
run on systems that aren't connected to the internet.  Other time 
synchronization protocols exist.

Some system not needing to conform to a standard is not an excuse for 
all systems to ignore that standard.

Warner

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