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ICANN 历史项目简介

ICANN 历史项目

本页面还提供其他语种：

ICANN 历史项目探寻 ICANN 从其诞生之初直至今日，在发展进程中的重要事件。本项目通过聆听 ICANN 过去和现在几位关键人物的讲述，为本组织保留一份珍贵的记忆。在历史项目页面上，您将会找到有关 ICANN 发展历史的文件、图片和视频，以及能够展现重要大事记的互动时间表。

现已发布的视频和音频大部分为未编辑资料。另外，ICANN 并不提供最终陈述，并在发布资料中避免表明观点或立场，且待大家自行作出结论。

鉴于 ICANN 的发展历史由多个方面构成，由不同的主线组成，本项目也旨在通过不同主线或主题来进行呈现。随着历史项目日渐成熟，我们将会添加更多主题。这是一个“动态”项目，将不断拓展和演进。

请与我们分享您对 ICANN 的记忆！如果您有参与 ICANN 历史项目中所探寻的主题，请将您的博客、视频或图片的链接使用 #ICANNHistory 标签发送到推特网 (Twitter) 中。若您对 ICANN 历史项目存有疑问，请联系我们：history@icann.org。

知识共享署名 — 非商业用途

这些资料按照“知识共享许可”原则而发布，非商业作者、纪录片制作人、历史学家和其他人员均可使用这类访谈和资料，或将其另做他用。

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."