Andy, 

I provide feedback below.  

-- 

JG 



James Gould
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On 11/6/25, 6:21 PM, "Andy Newton" <[email protected] <mailto:[email protected]>> wrote:


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Hi all,


I thought I would start a new thread because the other one is quite long and 
the conversation is all over the place.


There are two IANA registries at play here, the one governed by RFC 3688 (XML 
Registry) and the one governed by RFC 7451 (EPP Extensions).


The XML Registry is for XML namespace, schema, and publicId registrations. Any 
XML namespace identifier that is a URI can be registered in it, however only 
the IETF via an RFC can register urn:ietf... namespace identifiers.

JG - There has never been the requirement to register XML namespaces for 
proprietary extensions.  I don't believe we need to add a requirement to 
register the XML namespaces as a dependency to register an EPP extension in the 
EPP extension registry.  


The EPP extensions registry is a place where URLs to EPP extension 
specifications can be registered, and anybody can register an EPP extension. 
Unfortunately, many EPP extensions do not have their namespace identifiers and 
schemas registered in the XML registry. This is bad for interoperability, which 
is the entire point of an IANA registry. Even worse, six of the EPP extensions 
in this registry use urn:ietf namespace identifiers, and in at least one case 
claiming IPR over it. They should not be doing that.

JG - There is no interoperability issue that I'm aware of for EPP with the 
existing set of XML namespaces.  I don't believe the working group should make 
any calls with the EPP extension registry until the RST 2.0 and the Next Round 
Base Registry Agreement issue is addressed.  The registration of the urn:ietf 
namespace identifier that includes IPR was due to implementation of an 
abandoned working group document and meeting the RST 2.0 requirement.  I 
believe the mistake was the need to register it in the first place.  


While mistakes were made, we should not allow this to continue by requiring 
registrations into the EPP extensions registry to first require registrations 
in the XML registry. This will prevent the IETF namespace squatting, 
collisions, and it is good for interoperability.

JG - There is no concept of "IETF namespace squatting" with the implementation 
of a working group extension that is either an active draft or an abandoned 
draft.  Only proprietary extensions and RFC extensions should be registered in 
the EPP extension registry.  We need to encourage the implementation of draft 
extensions and not penalize registries that do by requiring them to register an 
IETF draft in the EPP extension registry.  


To allow I-Ds, the EPP extensions registry could be modified to allow 
"provisional" or "early" registrations that sidestep the XML namespace 
registration requirements. This is done in many IANA protocol registries setup 
by the IETF, and IANA knows how to periodically check on provisional and early 
registrations.

JG - This is an unnecessary step to fulfil the undefined goal in RST 2.0 and 
the Next Round Registry Agreement. 

Finally, the question was asked about I-Ds that are abandoned or rejected by 
the IETF. Those can be registered as proprietary extensions by their respective 
authors simply by changing the namespace URIs to something the authors control. 
From a running code perspective, this is no different than having had the 
namespace id revised during the working group deliberations because though some 
EPP namespace ids appear to have semantic meaning, to XML they are all opaque.

JG - The changing of the namespace is a highly impactful change for the 
registries and registrars and will result in the fragmentation of the EPP 
industry.  The registries would need to transition the registrars to the new 
proprietary extension with a range of techniques and notification periods.  How 
many proprietary versions of the IDN map extension draft does the industry need 
registered in the EPP extension registry?  This causes an issue and doesn't 
solve an issue.  We want to encourage the consolidation and the standardization 
of EPP extensions and not creating a set of duplicate proprietary extensions 
that can be registered in the EPP extension registry.  The easy button for the 
process hurdles being added and the risk of implementing IETF drafts will be 
creating proprietary extensions from the start, which would be an unfortunate 
side effect for the industry and REGEXT.  

-andy














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