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Irina Bokova and Rod Beckstrom at UNESCO Paris (10 Dec 090

Irina Bokova, Director-General of UNESCO, talks to Rod Beckstrom, President and CEO of ICANN. The video was made in Paris on 10 December 2009, when a significant step was taken towards greater linguistic diversity on the Internet when UNESCO signed an agreement with ICANN - the body that assigns online addresses to Internet users - to help put into operation the first multilingual domain names.

The cooperation agreement follows the recent decision by the Internet Corporation for Assigned Names and Numbers (ICANN) to introduce IDNs, or Internationalized Domain Names, in non-Latin script. Until now, domain names in Internet addresses (for example .org, .com) were written using characters from the Latin alphabet exclusively. On November 16, in the first phase of the plan, ICANN began accepting requests from representatives of countries and territories around the world for new country codes in Arabic, Chinese and other scripts. Non-Latin script users will eventually have access to internet addresses completely in their own language. More info: http://portal.unesco.org/ci/en/ev.php-URL_ID=29372&URL_DO=DO_TOPIC&URL_SECTION=201.html

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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""icann.org"" is not an IDN."