Ownerless PI Revokation, was Re: [address-policy-wg] Revised 2007-01...

Michael and all,

michael.dillon at bt.com wrote:

> > If this space is reclaimed on the simplistic basis of "it
> > wasn't in the public routing table yesterday (or ever)" then
> > reassigned, suddenly the original assignee finds their
> > private and confidetial traffic might start leaking out one
> > of their public connections. Great.
>
> May I remind everyone involved in writing RIPE policies, that RFC 2050,
> which was co-authored by Daniel Karrenburg of RIPE, describes the
> IP address Assignment Framework in section 3. In paragraph 3 a),
> it says:
>
>     the organization has no intention of connecting to
>     the Internet-either now or in the future-but it still
>     requires a globally unique IP address.  The organization
>     should consider using reserved addresses from RFC1918.
>     If it is determined this is not possible, they can be
>     issued unique (if not Internet routable) IP addresses.

  Yes and a not so good policy.

>
>
> This has been a fundamental characteristic of IP addresses since
> day 1. In the early RFCs, the term Internet was used to refer to
> all internetworks using the Internet Protocol(IP) because most
> people assumed universal interconnectivity. But now we know better
> and the term Internet only refers to the public Internet, not to
> the various private IP internetworks that exist. Most of the large
> international IP network providers, offer both Internet access
> and IP VPN services. Some of those IP VPNs are actually internetworks
> between many independent companies or organizations as described by
> Peter Galbavy.

  Peters discription is however not complete, as we now know, and
as many have contended sence day 1, was never intended as he
discribes it.

>
>
> The organizations who connect to private internets continue to apply
> for PI address space (and also PA address space) at RIPE and other
> RIRs. IP addresses are *NOT* reserved for the exclusive used of the
> public Internet, but are available for use of any internetwork which
> uses the Internet Protocol (IP).
>
> And if you talk to routing researchers you will learn that the global
> routing table is a bit of a myth since it is not guaranteed that you
> will see 100% of publicly announced addresses at any given point in
> the public Internet.

  Exactly right and therefore presupposes that private PI or PA space
wheather public or not are in any routing scheme may or may not reflect
the public internet routing policy which is just a fact of the real world.

>
>
> --Michael Dillon

Regards,

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