Re: [v6ops] Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)

John Kristoff <jtk@dataplane.org> Wed, 06 January 2021 14:19 UTC

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Date: Wed, 6 Jan 2021 08:19:26 -0600
From: John Kristoff <jtk@dataplane.org>
To: Gert Doering <gert@space.net>
Cc: Lorenzo Colitti <lorenzo=40google.com@dmarc.ietf.org>, Fernando Gont <fgont@si6networks.com>, IPv6 Operations <v6ops@ietf.org>, 6MAN <6man@ietf.org>
Subject: Re: [v6ops] Scope of Unique Local IPv6 Unicast Addresses (Fwd: New Version Notification for draft-gont-6man-ipv6-ula-scope-00.txt)
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On Wed, 6 Jan 2021 11:54:45 +0100
Gert Doering <gert@space.net> wrote:

> Find a registry is not hard.  Anyone could be the registry, if IETF gives
> their blessing and says "there's a machine that spits out a guaranteeed 
> unique ULA /48s for each $20 you feed in"...

This reminds me of IEEE OUIs.  You would want a price high enough that
would provide some disincentive to having anyone and everyone
registering for one or multiple assignments just because they can.  In
addition, not every one or every organization will want to publicly
listed in a registry. akin to LAAs, I don't have a strong opinion on
the matter, but a prefix for locally assigned addresses aren't all bad
until they either leak or must join another network that may have
conflicting practices.  That seems like an operational problem that can
be dealt with in a fairly straightforward way.

John