Subject: Re: [vserver] Re: Linux source address selection vs. EUI-64
From: Eugen Leitl <eugen@leitl.org>
Date: Sun, 14 Nov 2010 08:42:05 +0100

On Sun, Nov 14, 2010 at 12:42:38AM +0100, Romain Riviere wrote:

> > Who knows, a /56 is a BIG space, yet if we start handing out /56 space to light
switches then perhaps we are back at square one?
> 
> Except that there are 2^56 /56 prefixes, roughly 10 million 
> times the world population. I don't see exhaustion looming over the 35-year horizon
just quite yet :)-- 

I beg to differ. Dust mote sensor networks can easily be in
excess of billions or trillions devices.

Moreover, the solar system is pretty big. Add self-replicating
hardware, and suddenly 128 bits and 35 years don't appear
that much.