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Minutes – Board IANA Committee Meeting

1 March 2009 at 14:30 UTC

Committee members present: Harald Alvestrand - Chair, Raimundo Beca, Steve Crocker, Demi Getschko, and Katim Touray

Invited Committee Members Present: Thomas Narten, Peter Dengate Thrush and Suzanne Woolf

Staff members present: Doug Brent, David Conrad, Samantha Eisner, Kurt Pritz, Barbara Roseman, Diane Schroeder, Amy Stathos and Karla Valente


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

  • Discussed and unanimously approved minutes of last meeting.
  • Discussed revisions to committee charter, including changes to common language as approved by Board Governance Committee (BGC). Unanimously approved amendments. Action: Staff to present IC Charter to Board for approval as recommended by the BGC.
  • Discussed oversight structure of IANA, including ICANN Board and the Department of Commerce (DoC). Action: Staff to provide materials documenting oversight structure.
  • Discussed status of Root Zone signing discussions, including conversation of possible and proposed solutions. Action: Staff to continue providing updates.
  • Discussed proposed technical check additions for name server delegations. Action: Staff to prepare briefing paper.
  • Discussed IPv4 free pool availability and proposals under discussion at the RIRs.
  • Discussed proposed agenda for April meeting. Action: Staff to prepare proposal for meeting schedule for remainder of 2009.
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."