[Opensim-users] [Opensim-dev] Grid Numberging

[Dr Scofield]

Sean Dague wrote:
> Dr Scofield wrote:
>> Frisby, Adam wrote:
>>> Shouldn’t UUIDs by definition be unique?
>>>
>>>  
>>>
>>> IE – if your generating them randomly a collision is almost guaranteed
>>> to never ever occur.
>> "almost" being a key word here...
> 
> "...after generating 1 billion UUIDs every second for the next 100
> years, the probability of creating just one duplicate would be about
> 50%. The probability of one duplicate would be about 50% if every person
> on earth owns 600 million UUIDs."
> 
> http://en.wikipedia.org/wiki/Uuid
> 
> Just to keep "almost" in perspective,

well...bugs have been known to occur in SW...LL even managed to create colliding
UUIDs because of a bug once...so, that does tend to put "almost" into another
perspective...

	dr scofield

-- 
dr dirk husemann ---- virtual worlds research ---- ibm zurich research lab
SL: dr scofield ---- drscofield at xyzzyxyzzy.net ---- http://xyzzyxyzzy.net/
RL: hud at zurich.ibm.com - +41 44 724 8573 - http://www.zurich.ibm.com/~hud/