[address-policy-wg] 2013-06 New Policy Proposal (PA/PI Unification IPv6 Address Space)
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Tero Toikkanen
Tero.Toikkanen at nebula.fi
Fri Sep 27 11:55:42 CEST 2013
> > These were restrictions that existed in the previous version and things > > seemed to work well with these restrictions/sizes. I hear you and if others > > think the same, we could change the limits. > > If /32 becomes the new default/minimum, keeping those limits seems to > be counter-intuitive. I agree. We should propose /48 as the _minimum_ allocation for all special purposes, maybe with possible provisions for more. > Aside from the difference between "ever need more" and "foreseeable > future", this means that End Users will need to decide between /48 and > /32. To pick a specific example, FOSDEM will apply for IPv6 PI soon. > As they need more than one single /48, under that policy the seem to > be _forced_ to a /32. > > With a corporate hat on, I think it highly unlikely that anyone > manager or sales person will be content with less than the absolute > maximum they can get even if they don't need it. So save for a few > corporations and maybe temporary allocations, I suspect everyone will > go for a /32. I agree that the either /48 with no room for expansion or /32 is too strict. I would go as far as to propose that End Users could request anything from /48 to /32 and also be limited to that. However, this may have implications on address reservations in RIPE, as was the case with LIRs being allocated a /32 but reserved a /29. So if to avoid renumbering and to encourage aggregation we end up allocating /48s, but reserving a /32 for each one, we probably will end up at the same point again. Furthermore, as the "LIR incentive", I'd restrict End User allocations to a /32. If you need more, you should become an LIR. ____________________________________ Tero Toikkanen Nebula Oy
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