On 10/26/2011 09:35 PM, Adam Young wrote:
On 10/26/2011 08:49 PM, Steven Jones wrote:
Hi,
Readng the docs on the 32bit UIDs it says it makes an attempt to give
out a unique range....would it be possible / practical if RH (would
want to) ran some sort of database or registration function to try
and insure that?
regards
Steven Jones
Technical Specialist - Linux RHCE
Victoria University, Wellington, NZ
0064 4 463 6272
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No. It would not be. Fragmentation of the 32 Bit space means that
you are going to have clashes. Just look at IPv4 addresses and you
can see an analogue. 32bits really means 32 bits, as you have to
deal with sometimes things being stored in signed values (Java for
instance) so you have 2^31 or 2,147,483,648. Which is not quite a
quarter of the worlds population.
Wrote this too late at night. Should read "less than half of the
world's population" but the argument stays the same.
Now, assuming that any organization is going to be smaller than that,
you have to figure out how much to give them...they are going to make
it a financial decision, so the US governement buys up enough to be
future proof, lets say 1 Billion, leaveing a little over 1 Billion
for the Rest of the world...then China comes in. Then India. You get
the idea.
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