ISP customer assignments

bmanning at vacation.karoshi.com bmanning at vacation.karoshi.com
Mon Oct 5 22:05:23 UTC 2009


 well - if we are presuming a -FLAT- space, then IPv4 will last 
 a great deal longer than 2011.  and tell your vendors to pump up 
 the CAM/ARP table sizes ... and bring back the ARP storms of the
 1980s.  (who owns the vitalink codes base anyway?)

--bill


On Mon, Oct 05, 2009 at 05:47:12PM -0400, Dorn Hetzel wrote:
> The estimated mass of our galaxy is around 6x10^42Kg. The mass of earth is a
> little less than 6x10^24Kg.
> 
>  2^128 is around 3.4x10^38.
> So in a flat address space we have about one IPV6 address for every 20,000Kg
> in the galaxy or for every 20 picograms in the earth...
> 
> One would hope it would last for a while :)
> 
> On Mon, Oct 5, 2009 at 5:32 PM, <bmanning at vacation.karoshi.com> wrote:
> 
> >
> > considered top posting to irritate a few folks, decided not to.
> >
> >
> > On Mon, Oct 05, 2009 at 04:20:44PM -0500, Chris Owen wrote:
> > > On Oct 5, 2009, at 1:43 PM, Wayne E. Bouchard wrote:
> > >
> > > >Whenever you declare something to be "inexhasutable" all you do is
> > > >increase demand. Eventually you reach a point where you realize that
> > > >there is, in fact, a limit to the inexhaustable resource.
> > >
> > > This is where I think there is a major disconnect on IPv6.   The size
> > > of the pool is just so large that people just can't wrap their heads
> > > around it.
> > >
> > > 2^128 is enough space for every man, woman and child on the planet to
> > > have around 4 billion /64s to themselves.   Even if we assume everyone
> > > might possibly need say 10 /64s per person that still means we are
> > > covered until the population hits around 2,600,000,000,000,000,000.
> > >
> > > Chris
> > >
> >
> >         here, you expose a hidebound bias to 20th century networking.
> >        please remember that - with few exceptions - people network
> >        at a very different level than machines.  people don't need
> >        IP addresses - computing nodes that want to communicate do.
> >
> >        Just for grins, put a unique IPv6 address in every active RFID
> >        tag.  ...  and remember that there are RFID printers that can
> >        put 18 tags on a single A4 sheet.  Numbers will become disposible,
> >        like starbucks coffee cups and MCD's bigmac containers.
> >
> > --bill
> >
> >




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