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IDN ‭ccTLD ‬快速通道流程年审‬

论坛公告: 公共评议期开放日 日期: 2015年1月15日
类别/标签: 顶级域名
目的(摘要): ICANN现启动针对 IDN ccTLD 快速通道流程年审的公共评议期。本轮所获的公众意见将用于确定是否对正在进行讨论的IDN ccTLDFast 快速通道最终实施规划 [PDF, 851 KB](FIP)和 IDN ccTLD 拟定政策 [PDF, 376 KB]进行适当调整。现诚邀社群成员、技术社群,特别是那些与"IDN ccTLD 快速通道流程"有着紧密联系的人员,包括申请人、公共权威机构、已授权 IDN ccTLD 的终端用户,就你们的流程使用经验向我们提供反馈意见。
公众评议期页面链接: https://www.icann.org/public-comments/idn-cctld-fast-track-2015-01-15-en

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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."