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Community Input Invited Concerning Rio de Janeiro Meeting

To the ICANN Community:

Some of you have enquired whether the upcoming ICANN meeting in Rio de Janeiro will go forward as planned in the event of a war in the Middle East.

As of now, ICANN plans to hold the meeting as scheduled. We recognize, however, that institutional policies or personal concerns may affect individual decisions to travel, and indeed it may become difficult for some of you to attend.

We wish to be sensitive to the concerns of the ICANN community, and would therefore appreciate your current thinking as to whether your plans to travel to Rio de Janeiro are likely to change in the light of unfolding international events – or indeed any other advice you might have on this matter. We would particularly appreciate hearing from those of you who would have to travel from outside the region.

Because the meeting is close upon us, we would appreciate hearing from you no later than Friday, 14 March 2003.

Please send any comments to meeting@icann.org.


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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."