Fwd: Re: Reed's views, was [e2e] Cannara's views

Barney Wolff barney at databus.com
Mon Apr 23 06:33:18 PDT 2001


I guess my point was not clear.  2^48 = 2.81E14, which is the mass
in kg of 281 cubic km of water, not very much at all.  The mass
of the universe is closer to 10^48.

Anyway, I'm glad to have 48-bit Ethernet MACs, even if somewhere
in the universe there might be a duplicate of mine.

Barney

On Sun, Apr 22, 2001 at 06:27:30PM -0700, Alex Cannara wrote:
> Well, 2^(48-1) anyway.  This is always a good exercise for students.  :]
> 
> Alex
> 
> 
> Barney Wolff wrote:
> > 
> > You folks must have been living in a very small universe! :)
> > 
> > Barney Wolff
> > 
> > On Mon, Apr 16, 2001 at 10:00:16PM -0400, John Day wrote:
> > > >
> > > >And by the way, there was concern that there would be enough.  The
> > > >argument for 48 bits at the time, as I remember it, was that if each
> > > >device weighed 1kg, then 2**48kg was more than the mass of the
> > > >universe.  We all got a little chuckle out of it as I remember.



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