Hi,

I support the concerns of Florian.

We need addresses for addressing AND ROUTING. In the original design a few bits had been reserved for routing purposes in the IPv6 address scheme just to facilitate routing in the future. These bits completely disappeared -- which is not a a problem in the first phase of the transition, where we are now; however the missing functinality will case problems as the Internet will further grow.

Jim, probably you are better expert in this field than me - what do you foresee about scaling of routing and the possibilities of chosing between different backbone service providers in the future?

Best,

Géza

On Tue, May 3, 2011 at 10:10 AM, Florian Weimer <fweimer@bfk.de> wrote:
* Jim Reid:

> If the Internet doles out a billion /64s every day -- several orders
> of magnitude more than any forseeable assignment rate -- it will take
> 50 million years to deplete the IPv6 address space. I'm happy to leave
> that problem to the next generation. :-)

There have been suggestions to use multiple /24s for each ISP using
certain IPv6 deployment strategies.  Exhaustion isn't so remote
anymore if such efforts become widespread.

--
Florian Weimer                <fweimer@bfk.de>
BFK edv-consulting GmbH       http://www.bfk.de/
Kriegsstraße 100              tel: +49-721-96201-1
D-76133 Karlsruhe             fax: +49-721-96201-99