[LEAPSECS] Crunching Bulletin B numbers (POSIX time)

[Paul Sheer]

> A stand alone machine is going to have its clock drift by more than a

> few seconds over 10 years.    Leap seconds are in the noise compared

> 


Yes, but the applications running on a standalone machine
will use the same API's as any other POSIX machine.

Therefore, unless you want two seperate API's, one
for standalone machines and one for network-connected
machines, and then also require that applications written for
one are incompatible with applications written for the other,
then it is best to meet both requirements.


So I don't believe this has anything to do with whether
or not a standalone machine drifts due to not having a
caesium clock on board.


-paul



On Sat, 2011-02-19 at 17:13 -0500, Tim Shepard wrote:

> 

> > 

> > this is why leap seconds announced ten years in advanced

> > are important: they allow for a stand-alone machine, albeit

> > one that only needs to have it's software upgraded once in

> > ten years.

> 

> 

> A stand alone machine is going to have its clock drift by more than a

> few seconds over 10 years.    Leap seconds are in the noise compared

> to errors due to accumulated drift of standalone machines.

> 

> If it has a way of receiving a time signal to stay synchronized, then

> it ought to have a way of receiving info about the leap seconds (if

> they even matter).

> 

> 			-Tim Shepard

> 			 shep at alum.mit.edu

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