Re: filtering /48 is going to be necessary

[Jimmy Hess <mysidia () gmail com>]

On Fri, Mar 9, 2012 at 5:32 PM, Sander Steffann <sander () steffann nl> wrote:
> Splitting the allocation can be done for many reasons. There are known cases where one LIR >operates multiple 
> separate networks, each with a separate routing policy. They cannot get multiple >allocations from the RIR and they 
> cannot announce the whole allocation as a whole because of the >separate routing policies (who are sometimes required 
> legally, for example when an NREN has both a >commercial and an educational network). Deaggregating to /48's is not a 
> good idea, but giving an LIR

It does make sense to give the LIR a few bits.
Note though I say what "should" happen.

What will happen in actual fact,  is probably going to be identical to IPv4.
End users will go to other ISPs and demand they carry their individual /64s;
resulting market pressure is more powerful than efficient design.

--
-JH