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ICANN Meetings in Rio de Janeiro, Brazil – 23-27 March 2003

ICANN's next round of meetings will be held 23-27 March 2003, in Rio de Janeiro, Brazil. The meetings are free to attend, and open to any interested person. ICANN encourages broad participation in its bottom-up consensus-development process. You can take part in these meetings by attending in person, by taking part in the webcast and remote participation opportunities, and by joining one of the various ICANN-related mailing lists.

ICANN thanks the members of the local host committee, The Brazilian Internet Steering Committee (CGIBR), that is representing the Brazilian Internet community in hosting the meetings. The committee maintains a web site at <> with the latest information about accommodations, visa information, sponsorship opportunities, and social and cultural activities.


The March 23-27 meetings will be held at the Hotel Sofitel Rio de Janeiro. Special room rates have been arranged by the local host committee for attendees at the ICANN meetings.

Schedule and Agenda

The current schedule and agenda for the meetings is as follows:

Sunday, 23 March 2003

  • Governmental Advisory Committee Meeting (all day)
  • ccTLD Managers' Meeting (all day)

Monday, 24 March 2003

  • GNSO Constituency Meetings (various times)
  • Governmental Advisory Committee Meeting (all day)
  • ccTLD Managers' Meeting (all day)

Tuesday, 25 March 2003

  • ICANN Public Forum, Part I (09:00 - 12:00)
    • ENUM Tutorial
    • Reports
  • GNSO Council Meeting (14:00 - 17:00)
  • Governmental Advisory Committee Meeting (all day)
  • ccTLD Managers' Meeting (all day)

Wednesday, 26 March 2003

  • ICANN Public Forum, Part II (08:30 - 18:00)
    • Reports, continued
    • Internationalized Domain Names
    • Country-Code Names Supporting Organization Structure
    • ICANN Preliminary Budget for 2003-2004
    • Inter-Registrar Transfer Policies (GNSO Recommendation)
    • Whois Accuracy and Bulk Access (GNSO Recommentation)
    • Form of and Process for Request for Proposals for Additional Sponsored Top-Level Domains

Thursday, 27 March 2003

  • ICANN Board meeting (beginning at 08:30)

Background Materials

Background materials will be posted as they become available and will be linked from the agenda posted at <>. Updates to the schedule and agenda will also be linked from that web page.

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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"""" is not an IDN."