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IANA Committee (IC) Minutes

IC attendees: Kuo-Wei Wu – Chair; Bertrand de La Chapelle, Thomas Narten, Katim Touray and Suzanne Woolf

Other Board attendees: Rod Beckstrom – President & CEO; Sébastien Bachollet; Cherine Chalaby; Steve Crocker; Heather Dryden and Erika Mann.

Invited Attendees: Chris Disspain

IC Apologies: Ray Plzak

Staff Members Present: Akram Atallah – Chief Operating Officer; Elise Gerich – Vice President, IANA; John Jeffrey – General Counsel; Jamie Hedlund – Vice President, Government Affairs - Americas; Kim Davies; Diane Schroeder; Alina Syunkova, Amy Stathos and Leo Vegoda


The following is a summary of discussions, actions taken and actions identified:

  1. Minutes. The committee reviewed and approved minutes of the previous IC meeting held on 14 April 2011.

  2. Nomenclature in IANA database. Staff provided a presentation to the IC on the rationale for the historical IANA practice of adopting ISO 3166 nomenclature for use in the IANA database, the status of IANA's internal automation software project and legacy nomenclature issues arising from the impending implementation of the automation software. An early design decision was made to harmonize the fields of all country designations around the ISO 3166 nomenclature, and it has been reported that this usage may cause some addressing problems when mail has to be exchanged. The IC and staff agreed to contemplate improvements for the next version of the automation software to allow for more flexibility.

    • Action:

      • Staff to consider changing how countries are referenced in the postal address fields in Whois for a future version of the root zone management automation software while using ISO 3166-1 for all other fields. No change to be made in version 1 of the automation software.

  3. Local Internet community support in Delegations and Redelegations. The IC received an update from staff on the terminology issues that have arisen in consideration of ccTLD delegation and redelegation requests, and the evolution of recommendations that the IC may consider making to the Board to consider requests pending ccNSO consideration of policy recommendations in this area. The IC noted that, due to time constraints, discussion on this topic would be carried over into the next meeting.

  4. Review of open action items – Staff provided a brief update on the status of action items from prior IC meetings.

Domain Name System
Internationalized Domain Name ,IDN,"IDNs are domain names that include characters used in the local representation of languages that are not written with the twenty-six letters of the basic Latin alphabet ""a-z"". An IDN can contain Latin letters with diacritical marks, as required by many European languages, or may consist of characters from non-Latin scripts such as Arabic or Chinese. Many languages also use other types of digits than the European ""0-9"". The basic Latin alphabet together with the European-Arabic digits are, for the purpose of domain names, termed ""ASCII characters"" (ASCII = American Standard Code for Information Interchange). These are also included in the broader range of ""Unicode characters"" that provides the basis for IDNs. The ""hostname rule"" requires that all domain names of the type under consideration here are stored in the DNS using only the ASCII characters listed above, with the one further addition of the hyphen ""-"". The Unicode form of an IDN therefore requires special encoding before it is entered into the DNS. The following terminology is used when distinguishing between these forms: A domain name consists of a series of ""labels"" (separated by ""dots""). The ASCII form of an IDN label is termed an ""A-label"". All operations defined in the DNS protocol use A-labels exclusively. The Unicode form, which a user expects to be displayed, is termed a ""U-label"". The difference may be illustrated with the Hindi word for ""test"" — परीका — appearing here as a U-label would (in the Devanagari script). A special form of ""ASCII compatible encoding"" (abbreviated ACE) is applied to this to produce the corresponding A-label: xn--11b5bs1di. A domain name that only includes ASCII letters, digits, and hyphens is termed an ""LDH label"". Although the definitions of A-labels and LDH-labels overlap, a name consisting exclusively of LDH labels, such as""icann.org"" is not an IDN."