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新一批二级域标签生成规则 (LGR) 参考列表现已发布


洛杉矶——2021 年 1 月 13 日——互联网名称与数字地址分配机构 (Internet Corporation for Assigned Names and Numbers, ICANN) 于今天宣布发布更多二级域标签生成规则 (Label Generation Rules, LGR) 参考列表

二级域标签生成规则参考列表的发布旨在提高国际化域名 (Internationalized Domain Name, IDN) 列表审核流程的透明度和一致性,从而促进新通用顶级域 (generic top-level domains, gTLD) 注册管理机构的运营。IDN 参考列表是基于《标签生成规则 (LGR) 参考列表编制指南》编写而成,这份编制指南在经过社群审核后定稿。按照注册管理机构服务评估政策 (Registry Service Evaluation Policy, RSEP) 流程,这些 LGR 参考列表旨在用于审核 gTLD 注册管理机构提交的 IDN 列表。

基于语言文字社群针对根区标签生成规则 (Root Zone Label Generation Rules, RZ-LGR) 进行的详细分析和其编制的最终解决方案,更多 LGR 参考列表现已得到编制。公共评议期结束后,共有 17 种二级域 LGR 参考列表被定稿并发布,它们包括基于文字的 LGR:孟加拉语、梵文、埃塞俄比亚语、格鲁吉亚文、古吉拉特文、果鲁穆奇文、埃纳德文、高棉语、老挝语、马来亚拉姆文、奥里雅语、泰米尔文、泰卢固文;以及基于语言的 LGR:阿拉伯文、中文、印地语和泰国语。

目前总共有 30 种基于语言的 LGR 参考列表和 13 种基于文字的 LGR 参考列表现已发布。其他语言和文字将在相关社群提出了建议后,被纳入后续发布内容。


ICANN 的使命在于确保全球互联网的稳定、安全与统一。在互联网上寻找另一个人的信息,您必须在您的电脑或其他设备中键入一个地址——可以是一个名称或是一串数字。这一地址必须是独一无二的,只有这样电脑之间才能互相识别。ICANN 则负责协调并支持这些分布在全球各地的唯一标识符。ICANN 成立于 1998 年,是一家非营利公益型企业,其社群成员遍布全球各地。

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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"""" is not an IDN."