Suzanne,

On Oct 18, 2022, at 6:50 AM, Suzanne Woolf <swo...@pir.org> wrote:
> We don't know what ICANN considers an attempt to "wade into ICANN territory," 
> and there's nothing the WG can do to resolve this question.

I’m unsure the protocols here, but the WG could request the IAB to have the 
IETF Liaison to the ICANN Board inquire as to whether the proposed reservation 
of .alt would be “an attempt to ‘wade into ICANN territory’”, no?  Speaking 
personally, I think it’d be nice if there could be a definitive statement by 
ICANN on this question.

> It would be helpful if we could focus on technical/operational impacts and on 
> whether .alt would in fact solve the problems that the draft claims to 
> address.

OK. I’m assuming the "problems that the draft claims to address” (since there 
isn’t an explicit problem statement in alt-tld) are from the Introduction:

"The techniques in this document are primarily intended to address the 
"Experimental Squatting Problem", the "Land Rush Problem", and “Name 
Collisions" issues discussed in [RFC8244]”

Editorially, section 3 of RFC 8244 identifies 21 different problems and the 
terms “Experimental Squatting”, “Land Rush”, and “Name Collisions” are not 
explicitly referenced in that section (there is a  reference to name collisions 
in section 4, but it talks about ICANN’s name collision study). This forces the 
reader to interpolate which RFC 8244 problems are being referenced.  For 
clarity, it might be helpful to use the numbers in RFC 8244 (as I gather was 
the intent of numbering).

Anyhow…

On the “Experimental Squatting Problem”:

Personally, I’m skeptical as I don’t see a lot of incentives to use .alt over 
some “interesting” string that has not yet been delegated, particularly given 
the low rate of change via ICANN’s gTLD processes. There might even be some 
perverse incentives unrelated to reserving .alt, e.g., squat now and get market 
share so ICANN can’t delegate due to name collision avoidance, and then 
petition for ICANN to delegate the name to you at a later date.  However, 
empirically, since GNS appears to be willing to migrate over, perhaps I’m 
overly cynical.

On the “Land Rush Problem”:

As this isn’t referenced (AFICT) in RFC 8244, I’m guessing this is when lots of 
people rush in to obtain domains either for squatting purposes, to prevent 
squatting, or “investment”. I gather the intent of registry restrictions as 
specified is to limit who can use .alt names, but I’m not sure that’s going to 
work as intended.  Specifically, section 3 of alt-tld states:

'Entry to the registry is a combination of "Specification Required” and either 
"Expert Review" or "IESG Approval".  See [RFC8126] for the definition of these 
three terms,'

(Nit: line ends with a comma.) If the goal is to encourage folks to move over 
to .alt from the root, I suspect the entry requirements are too much. I’d 
imagine any sort of requirement is going to create friction and reduce the 
likelihood folks will bother to move. As such, I might suggest a lighter weight 
registration process (maybe just “Expert Review”?). However, the draft states 
.alt is an unmanaged space, so I’m not sure I understand what the registry 
entry restrictions are going to look at (maybe just to avoid collision?).

On the “Name Collisions Problem”:

Section 2 of alt-tld states:

"Alternative namespaces should differentiate themselves from other alternative 
namespaces by choosing a name and using it in the label position just before 
the .alt pseudo-TLD.”

and later:

“[Groups wishing to create new alternative namespaces] should attempt to choose 
a label that they expect to be unique among similar groups and, ideally, 
descriptive. Developers are wholly responsible for dealing with any collisions 
that may occur under .alt."

The phrasing here is odd in that a namespace can’t differentiate itself from 
anything, rather applications need to be able to differentiate behaviors based 
on the (sub-)namespace created by .ALT. The implication of this statement is 
that some mechanism must exist that allows an application to make the 
distinction. What this mechanism is appears to be left to the reader as an 
exercise. As such, I’d say that the alt-tld draft doesn't address “Name 
Collisions”, rather it provides a way in which name collisions _at the root of 
the DNS_ can be avoided, but it explicitly moves that problem to a non-DNS 
context underneath .ALT.

One other comment, as a nit, section 2 of alt-tld stats:

"Because names beneath .alt are in an alternative namespace, they have no 
significance in the regular DNS context.”

Presumably, the DNS significance of .alt is that it MUST NOT be looked up in 
the DNS and/or ICANN MUST NOT delegate .ALT in the DNS.  The latter is probably 
implementable (assuming ICANN agrees, which I imagine they would). The former, 
pragmatically speaking, not.

Regards,
-drc

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