[arin-ppml] Global Uniqueness vs Global Reachability
scottleibrand at gmail.com
Thu Jun 4 02:49:07 EDT 2009
There was a more recent (and IMO better) version of this called ULA
Global. IIRC, it was a lot closer to what you are describing than ULA
On Jun 3, 2009, at 11:13 PM, "David Farmer" <farmer at umn.edu> wrote:
> I was aware of Central ULA, but I don't think it ever really
> progressed. While close its not exactly the same thing as I'm
> talking about; it uses pseudo random assignment like regular
> ULA. The draft hand waves the DNS operations issues, and
> since it uses pseudo random assignment I'm not really sure
> how your going to make the DNS delegations work. The draft
> also envisions, different Registry operations that is typical from
> an RIR, while I'm sure ARIN or any other RIR could do it.
> As I said, even regular ULA can meet some of the use cases.
> SixXS has a registry for regular ULA, but again that is not the
> same thing either, and at least violates the spirit of the RFC
> Anyway, ARIN already does Micro-allocations for Internal
> Infrastructure. Which is much more like what I'm talking about
> than ULA. A normal Unicast block with a published range that
> network operators can apply a routing policy to if they are
> inclined to. However, what I'm talking about isn't necessarily
> for internal. Its just not necessarily intended to be part of the
> mythical global route table.
> I believe this is a way to have our cake and eat it too. We can
> have both a policy that reinforces the routing hierarchy and that
> provides addresses for those that are willing to exist outside it.
> On 3 Jun 2009 Leo Bicknell wrote:
>> In a message written on Wed, Jun 03, 2009 at 05:53:59PM -0500, David
>> Farmer wrote: > What if we made the Global Reachability assumption
>> explicit > and created a separate pool without an explicit assumption
>> of > Globally Reachability.
>> (I don't know if that was the last/latest draft.)
>> I believe you idea is roughly the "ULA Central" idea. The idea was a
>> separate address pool (FC00::/7) that would be assigned by IANA
>> of course may delegate to the RIR's, or create a new central entity,
>> or any number of things) and bits would be given out as globally
>> unique prefixes that are not expected to appear in the global
>> routing table. That is, ISP's would filter FC00::/7 on the commodity
>> The community was not in favor of this idea several years ago, but
>> times may have changed.
>> Leo Bicknell - bicknell at ufp.org - CCIE 3440
>> PGP keys at http://www.ufp.org/~bicknell/
> David Farmer Email:farmer at umn.edu
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