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Public Comment: ccNSO Review (Terms of Reference)

ICANN's bylaws require that Supporting Organizations, Councils and Advisory Committees be reviewed by an entity or entities independent of them.

In accordance with Article IV, Section 4, Clause 1 of ICANN bylaws, the review of each key structure of ICANN is designed to determine:

  • Whether the organization has a continuing purpose in the ICANN structure; and
  • If so, whether any change in structure or operations is desirable to improve its effectiveness.

The Structural Improvements Committee approved for public comments the proposed Terms of Reference [PDF, 205K], which detail questions that would guide the independent review of ICANN's Country Code Names Supporting Organization (ccNSO); the ICANN Board agreed and directed staff to post the proposed Terms of Reference [PDF, 205K] for public comments.

The public comment period will last from 26 May 2009 to 28 June 2009.


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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."