>
> It doesn't.  My eye seized upon the wrong number.  2^19 should have
> been 2^38 throughout.  And then making private-space connections to
> 16 sites gives you a <= one-in-500-million chance of collision, and
> connecting to 256 sites gives <= one-in-2-million.
>

This is a better number, and one I feel I could live with (by which I mean,
one that would justify the use of random number selection as one of the
alternative methods of assigning these identifiers...)

And I would literally specify, as per Christian's suggestion, that the
number MUST be created by flipping a coin 38 times...

PF


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