Thanks Jim, this is very helpful. The Michael and I will review this carefully and respond later.
Jim On 1 Dec 2025, at 10:57, Gould, James wrote: > Jim, > > I put the IDN extensions into two buckets: > > IDN Code Point Validation: > > IDN Language Tag - Use of 3-letter language with server-side mapping to > language table or script table (commingle filter) > IDN Mapping - Use of IDN table identifier that directly maps to the > language or script table. The IDN table identifiers are specific to each > server, which is the reason for the IDN Table extension to enable the client > to discover the correct IDN table identifier. > IDN - TANGO - Mix of the IDN Language Tag and the IDN Mapping, by > supporting either a language or a script. > IDN Table - Discovery of script table needed for the IDN Mapping > > IDN Variant Management: > > Related Domain - Support for related domain names sharing common > attributes (e.g., sponsorship and optionally registrant) with or without > server policy enforcement. > Strict Bundling - Support for a composite relationship of a primary IDN > domain name and its variants > IDN - TANGO - Support for a composite relationship with "attribute > mode" and independent related domain names with "object mode". > Domain Variants (draft-galvin-regext-epp-variants) - Supports the > concept of a primary IDN domain name and a variant group that are separate > domain names that share sponsorship with the primary IDN as the anchor > (transfer and deletes applies to the entire variant group). > > I personally found IDN - TANGO as an interesting extension with support for > both buckets. See > https://docs.google.com/document/d/1WR00oB43XZCDqD0zvRvRajuWAq_9wQ3c0RrFKlGC3So > for the analysis of these extensions. > > Thanks, > > -- > > JG > > > > James Gould > Fellow Engineer > [email protected] > <applewebdata://13890C55-AAE8-4BF3-A6CE-B4BA42740803/[email protected]> > > 703-948-3271 > 12061 Bluemont Way > Reston, VA 20190 > > Verisign.com <http://verisigninc.com/> > > > > > On 12/1/25, 8:38 AM, "James Galvin" <[email protected] > <mailto:[email protected]>> wrote: > > > Caution: This email originated from outside the organization. Do not click > links or open attachments unless you recognize the sender and know the > content is safe. > > > Speaking as a participant: > > > Thanks Jim. I agree with you that broader work on IDNs would be a good thing > for this working group. The extension analysis work is a good place to start. > > > I wanted to note that a prior version of the variants draft had examples and > XML included. We dropped them in this version when we revised the document to > present the work as “related groups” not variants. We’ll certainly bring that > back. > > > I’m also interested in whether or not you think IDN variants should be > addressed directly in any of the other extensions? I don’t think so but > you’ve done a deeper dive so perhaps you’ve got a question to consider. > > > Thanks, > > > Jim > > > > > On 25 Nov 2025, at 12:35, Gould, James wrote: > > >> Antoin, >> >> I'm supportive of work on IDNs by the working group. Based on the EPP >> extensibility and extensions analysis, the work is broader than an >> individual draft that includes how to validate the code points during an IDN >> registration and how to manage variants. I find >> draft-galvin-regext-epp-variants to be more of a template or concept than a >> candidate EPP extension in its current form. The draft doesn't include an >> XML schema or a set of examples that I view as being a minimum bar for >> adoption consideration of an EPP extension. The working group could look to >> address IDN domain names in EPP from a high-level first (e.g., informational >> draft) and then target one or more standards track EPP extensions based on >> the high-level work. Below is the set of IDN extensions reviewed in the EPP >> extensibility and extensions analysis and presented at IETF-124: >> >> 1. IDN Language Tag >> 2. Related Domain >> 3. Strict Bundling >> 3. IDN Mapping and IDN Mapping – Identity Digital >> 4. IDN Table Mapping >> 5. IDN - TANGO >> 6. Domain Variants (draft-galvin-regext-epp-variants) >> >> Thanks, >> >> -- >> >> JG >> >> >> >> James Gould >> Fellow Engineer >> [email protected] <mailto:[email protected]> >> <applewebdata://13890C55-AAE8-4BF3-A6CE-B4BA42740803/[email protected] >> <mailto:[email protected]>> >> >> 703-948-3271 >> 12061 Bluemont Way >> Reston, VA 20190 >> >> Verisign.com >> <http://secure-web.cisco.com/1oyt9Muc1RBsa23HuLR3LWKrByDiAK-T7Bc_NM60gJ9ZOAHCRuKXqBOmY7sLyDp6rCeDewRFqBuzQrbIH1MOn7_8CDRlVZ-QiZU7Ap-A0nOkMtmMxJbIMQWi4HU6O4QfXqI_tmkt4FMfXjep3cWDO3g4ouRw8JTx8DP6r_zifX-i3ddvV3mXrWc5T3c4Qf1IjStJTl5_baUdDDqhEQWfr1HoHMgpt72tRRebR6vJAJjKME_fiMcJWvnzri9TX21ztYSr_U_NtLvkWPZxgL8BLwHi6rJHlq1WfYqigpSUjCh4/http%3A%2F%2Fverisigninc.com%2F> >> >> <http://secure-web.cisco.com/1oyt9Muc1RBsa23HuLR3LWKrByDiAK-T7Bc_NM60gJ9ZOAHCRuKXqBOmY7sLyDp6rCeDewRFqBuzQrbIH1MOn7_8CDRlVZ-QiZU7Ap-A0nOkMtmMxJbIMQWi4HU6O4QfXqI_tmkt4FMfXjep3cWDO3g4ouRw8JTx8DP6r_zifX-i3ddvV3mXrWc5T3c4Qf1IjStJTl5_baUdDDqhEQWfr1HoHMgpt72tRRebR6vJAJjKME_fiMcJWvnzri9TX21ztYSr_U_NtLvkWPZxgL8BLwHi6rJHlq1WfYqigpSUjCh4/http%3A%2F%2Fverisigninc.com%2F>> >> >> >> >> >> On 11/24/25, 11:04 AM, "Antoin Verschuren" <[email protected] >> <mailto:[email protected]> <mailto:[email protected] >> <mailto:[email protected]>>> wrote: >> >> >> Caution: This email originated from outside the organization. Do not click >> links or open attachments unless you recognize the sender and know the >> content is safe. >> >> >> >> >> Hi folks, >> >> >> This is a reminder this call for adoption is open for another week. We >> didn’t see any reactions yet. >> >> >> Your REGEXT co-chairs Jorge and Antoin. >> >> >> >> >>> Op 17 nov. 2025, om 16:13 heeft Antoin Verschuren >>> <[email protected] <mailto:[email protected]> >>> <mailto:[email protected] <mailto:[email protected]>>> >>> het volgende geschreven: >>> >>> Hi all, >>> >>> This is a formal adoption request for “Domain Related Group Support for >>> EPP”: >>> >>> https://secure-web.cisco.com/1n-5Ba_BhzzZOtOV9lXhXAz5xXfd-WwW6p6lsUmPP4qI_7OGvgb5Ti-6EWfRoOHUSm0ye59Yb8g6tPrQ-r-hzDM93U-mcbeOnTcIs0JgSnqcBJ6qS5rMvqG_CJTYFn60Fk3JCOs7wYMNqvQ8HrnNZu_JczmtpMrdHypew2CBkIsG95xywl_opYl9v92w0y3nAr_YBWEBQt8YNP66u_Ff841WSmdY9gfsQ_q7Awf_ZMl9tQEatk66humWqzBM9JjI9ckFAR3Cc8NfFH0Q5HPUYahUWeWn37MtDErAZw8QUNcQ/https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-galvin-regext-epp-variants%2F >>> >>> <https://secure-web.cisco.com/1n-5Ba_BhzzZOtOV9lXhXAz5xXfd-WwW6p6lsUmPP4qI_7OGvgb5Ti-6EWfRoOHUSm0ye59Yb8g6tPrQ-r-hzDM93U-mcbeOnTcIs0JgSnqcBJ6qS5rMvqG_CJTYFn60Fk3JCOs7wYMNqvQ8HrnNZu_JczmtpMrdHypew2CBkIsG95xywl_opYl9v92w0y3nAr_YBWEBQt8YNP66u_Ff841WSmdY9gfsQ_q7Awf_ZMl9tQEatk66humWqzBM9JjI9ckFAR3Cc8NfFH0Q5HPUYahUWeWn37MtDErAZw8QUNcQ/https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-galvin-regext-epp-variants%2F> >>> >>> <https://secure-web.cisco.com/1n-5Ba_BhzzZOtOV9lXhXAz5xXfd-WwW6p6lsUmPP4qI_7OGvgb5Ti-6EWfRoOHUSm0ye59Yb8g6tPrQ-r-hzDM93U-mcbeOnTcIs0JgSnqcBJ6qS5rMvqG_CJTYFn60Fk3JCOs7wYMNqvQ8HrnNZu_JczmtpMrdHypew2CBkIsG95xywl_opYl9v92w0y3nAr_YBWEBQt8YNP66u_Ff841WSmdY9gfsQ_q7Awf_ZMl9tQEatk66humWqzBM9JjI9ckFAR3Cc8NfFH0Q5HPUYahUWeWn37MtDErAZw8QUNcQ/https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-galvin-regext-epp-variants%2F> >>> >>> <https://secure-web.cisco.com/1n-5Ba_BhzzZOtOV9lXhXAz5xXfd-WwW6p6lsUmPP4qI_7OGvgb5Ti-6EWfRoOHUSm0ye59Yb8g6tPrQ-r-hzDM93U-mcbeOnTcIs0JgSnqcBJ6qS5rMvqG_CJTYFn60Fk3JCOs7wYMNqvQ8HrnNZu_JczmtpMrdHypew2CBkIsG95xywl_opYl9v92w0y3nAr_YBWEBQt8YNP66u_Ff841WSmdY9gfsQ_q7Awf_ZMl9tQEatk66humWqzBM9JjI9ckFAR3Cc8NfFH0Q5HPUYahUWeWn37MtDErAZw8QUNcQ/https%3A%2F%2Fdatatracker.ietf.org%2Fdoc%2Fdraft-galvin-regext-epp-variants%2F>> >>> >>> Please review this draft to see if you think it is suitable for adoption by >>> REGEXT and comment on this message on the list, clearly stating your view. >>> Responding with “+1” will be counted as agreeing with adoption. >>> >>> Optionally indicate if you are willing to contribute text or review text. >>> Note that Jody Kolker has agreed to be the Document Shepherd for this >>> document. >>> >>> This Call For Adoption will close on Monday, 1 December 2025. >>> >>> If there are no objections, the chairs will consider this document adopted. >>> >>> Thanks, >>> >>> Your REGEXT co-chairs Jorge and Antoin >>> _______________________________________________ >>> regext mailing list -- [email protected] <mailto:[email protected]> >>> <mailto:[email protected] <mailto:[email protected]>> >>> To unsubscribe send an email to [email protected] >>> <mailto:[email protected]> <mailto:[email protected] >>> <mailto:[email protected]>> >> >> >> _______________________________________________ >> regext mailing list -- [email protected] <mailto:[email protected]> >> <mailto:[email protected] <mailto:[email protected]>> >> To unsubscribe send an email to [email protected] >> <mailto:[email protected]> <mailto:[email protected] >> <mailto:[email protected]>> >> >> >> >> _______________________________________________ >> regext mailing list -- [email protected] <mailto:[email protected]> >> To unsubscribe send an email to [email protected] >> <mailto:[email protected]> _______________________________________________ regext mailing list -- [email protected] To unsubscribe send an email to [email protected]
