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RSTEP Report on Tralliance Proposal Posted for Public Comment

On 18 September 2006, ICANN referred the Tralliance Corporation proposal to the Registry Services Technical Evaluation Panel (RSTEP). The RSTEP had 45 calendar days to review the proposal and prepare a written report on whether the proposed Registry Service creates a reasonable risk of a meaningful adverse effect on Security or Stability. The RSTEP Review Team completed its report that can be found at

The Review Team consisted of the following members:

  • Patrik Fältström (Cisco; Sweden)
  • Lars-Johan Liman (Autonomica; Sweden)
  • Cricket Liu (Infoblox; USA)
  • Mark McFadden (internet policy advisors, llc; USA)
  • Paul Mockapetris (Nominum; USA)

Under the terms of the Registry Services Evaluation Policy, following receipt of the RSTEP report, the ICANN Board will determine whether the proposed Registry Service creates a reasonable risk of a meaningful adverse effect on Stability or Security.

ICANN invites public comments on the RSTEP Report through 18:00 UTC (10:00 PST) on 7 December 2006.

Documents related to the Tralliance proposal are available here:

Comments can be posted to:

Comments can be viewed at:

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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"""" is not an IDN."