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ATRT Draft Proposed Recommendations

Open: 3 November 2010
Closed: 3 December 2010

Explanation/Background: The Accountability and Transparency Review Team (ATRT) issues this request for Public Comment on a set of draft proposed Recommendations [PDF, 897 KB] that it has developed as part of its review of ICANN's execution of its commitments to accountability and transparency under the Affirmation of Commitments (AoC). The ATRT is required to provide final Recommendations to the ICANN Board no later than December 31, 2010.

The Public Comment period will be open for 30 days and will close on December 3, 2010. Under the AoC, the ATRT must consider public comments in response to these draft proposed Recommendations before submitting its Final Recommendations to the Board. As such, a 30 day public comment period will provide the ATRT adequate time to consider public comment prior to the issuance of its Final Recommendations to the ICANN Board.

Staff member responsible: Olof Nordling

Announcement | Comments | Summary/analysis of comments

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."