"Nothing is so permanent as a temporary government program." -- Dr. Milton Friedman

If we decide to hand out /24s to 6RD and we think that’s not a waste of address space (even though nobody has been able to give me an satisfactory answer I’m willing to throw in the towel) make that a permanent allocation, not a temporary one. The pretense that people will actually hand back that prefix is, let’s say, not consistent with current experiences in IPv4. Once it’s out of the bag it’s out of the bag, never to return.

Remco

On 01-12-09 12:10, "Mikael Abrahamsson" <swmike@swm.pp.se> wrote:

On Tue, 1 Dec 2009, michael.dillon@bt.com wrote:

> regardless of whether or not it is in RIPE policy, the /56
> for private residences is still good practice and is being
> tracked by vendors.

Just for the record, I've reconsidered and now agree with Michael that we
should hand out /24 to ISPs who want to run 6RD, to facilitate /56
handouts to end customers.

I would want a discussion on this being 6RD exclusive use and a 5 year
temporary handout with option for 5 year extension per time until the
community deems that 6RD is depreciated and this space should no longer be
used for that.

Should we reserve a /8 for 6RD use, approximately one per ASN? Should we
just say that a certain /8 is for 6RD use and it's not even handled by
RIRs but instead handled like GLOP space for multicast, ie that it's just
the ASN mapped into this space? Do we need a /6 to handle future 32bit ASN
increase in the next 10 years?

Perhaps there should be this kind of IPv4-mapped-into-IPv6-per-ASN space
available for general use, not being 6RD exclusive?

I do think this should be temporary though, with the aim at this being
deprecated in 5-10 years.

--
Mikael Abrahamsson    email: swmike@swm.pp.se




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