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Expert Volunteers Needed to Define Requirements for Internationalized Registration Data and Corresponding Data Model for gTLD Registries

As part of the process to implement WHOIS review team recommendations related to Internationalized Domain Name registration data requirements, ICANN seeks volunteers who are community representatives with expertise in linguistics, IDNA, policy and registry/registrar operations to participate in a working group to determine appropriate Internationalized Domain Name registration data requirements and data model for Registration Data Directory Services (aka WHOIS services).

Interested experts are invited to submit their résumé and an expression of interest statement demonstrating how they meet the qualifications for one or more of the expertise areas specified. The call for volunteers document [PDF, 143 KB] that describes the type of expertise needed, as well as the process for selecting members.

Applications should be sent to whois-rt-12@icann.org no later than 16 August 2013.

The working group is expected to:

  • Determine the requirements for internationalized registration data
  • Produce a data model for the IRD that matches the requirement

In doing so the working group is expected to build on previous community efforts related to this issue, most notably:

The result of the WG product will go through a public comment process to ensure broad input is received. It will form the basis for further policy development and/or contractual framework for generic Top-level domains, as well as ideally becoming  a best practice for country code top-level domains.

Successful completion of the project depends on having team members with the right skills. Therefore ICANN, through its Supporting Organizations and Advisory Committees, and through its contacts with the international Internet community, is soliciting the participation of community volunteers.

The formation of the working group is part of the process to implement the internationalized registration data recommendations of the ICANN WHOIS Policy Review Team Final Report [PDF, 1.44 MB] as adopted by the ICANN Board.


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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."