From: Christopher Morrow (no email)
Date: Wed Jan 02 2008 - 00:35:04 EST
On Jan 1, 2008 12:46 PM, James Hess <> wrote:
> The place where major problems could be run into is deciding how big a
> block your ISPs and
> LIRs get, or if the registries are entertaining the concept of PI
> space for v6.. how large
too late NRO policy comparison chart:
http://www.nro.net/documents/nro45.html#3-4-3
Specifically APNIC and ARIN have /48 end-user assignments (PI)
policies in place, RIPE is still discussing this policy as of the last
meeting (if I recall correctly).
> those blocks are. Does a small ISP ever get such a small block that
> they may run out of /48s
> to assign?
Sure, if they mis-plan or over-sell or acquire a competitor... there
are many scenarios that could include this sort of event.
>
> Does a large ISP ever get such a large block, the RIRs may run out of
> ISP blocks to assign?
>
At one point DISA/DoD was looking to get a /10 from <SOME RIR> ... I
don't that went anywhere, or is still under discussion. That'd
certainly make a dent in the available space though, eh?
> to networks, which is very bad: design of IPv6 is supposed to avoid
> such things.
The initial design requirements/assumptions you mean, most of which
don't apply to today's world?
>
> In the latter case... IPv6 IP addresses have not been 'exhausted',
> but now, there can now
> be no new ISPs or PI allocations; everything having been assigned to
> some major provider
> who has not given out very many of their /48s yet,
>
> or who is giving out /56s and hording the rest of the address space,
> never to be assigned.....
>
ah, just like in ipv4 come mid-2010 ? wither ipv8?
-Chris
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