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Re: Fwd: [ppml] Policy Proposal: IPv6 Assignment Size Reduction



Mark Smith wrote:
> Iljitsch van Beijnum <iljitsch@muada.com> wrote:
> 
>> I thought this would be interesting reading for the working group.
>>
> 
> I think the best thing to do is ignore it. If it gets any traction in
> ARIN, then we might have to do something.
> 
> (I'm embarrassed to be listed in the acknowledgements section of the
> related draft, because it can imply I agree with it - and my position is
> the complete opposite - I'm even fairly strongly anti-/56.)

And the even funnier portion of that draft is that he (Brian Dickson) is
basically asking the IETF (first, but there it was already heavily
commented on in a negative way), now the RIRs to change the policies
they have in place.

He basically wants to change the lower /64 and enable a different EUI-64
concept (thus not remove it, which would really be silly).

The main reason he has for this is that ISP's are now getting /32's and
when they *misplan* their address space they would go back to the RIR
and get more address space, which, according to him, would lead to the
point that multiple de-aggregated prefixes would leak into the routing
tables.

Now the fun part of this, these 5 de-aggregated blocks which where just
allocated by ARIN to a certain company called Affilias, the same company
that he is working for, is using his email address from and which name
is also on the draft:

2001:500:16::/47
2001:500:18::/45
2001:500:20::/45
2001:500:28::/46
2001:500:2c::/48

So one has to wonder, if they already got their own de-aggregated
prefixes, why do they want to block others from doing so.

If it would happen in the first place that is, remember that a /32
actually comes out of a reserved block of afaik a /29, as such those
blocks can grow without any problems and de-aggregation. Any ISP who
needs more than that definitely has grown a lot or have really
misplanned how much space they will need. Most ISPs will do fine with a
/64 though.

As for the draft/proposal itself: why try to move the bits on the right
side (the /64 portion) when ISPs can already shove the bits on the left
side by simply justifying more address space?


A proposal for changing the /48 boundary for *home users* to /56 though
might at a certain point be a good idea. Companies should be getting a
/48 IMHO.

Greets,
 Jeroen

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