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第二轮安全、稳定和弹性审核小组 (SSR2) 发布报告草案


评议开放日期: 2020 年 1 月 24 日 截止日期: 2020 年 3 月 4 日
发起组织: 第二轮安全、稳定和弹性审核小组 (SSR2) 通过多利益相关方战略和战略计划 (Multistakeholder Strategy and Strategic Initiatives, MSSI) 发起
类别/标签: 审核/改进、问责制/透明度

第二轮安全、稳定和弹性审核小组 (SSR2) 现启动本轮公共评议期。

SSR2 审核小组旨在针对其报告草案征询公众意见。这份报告囊括了有关四大关键领域的审核结果和建议:

  • 第一轮安全、稳定与弹性 (SSR) 审核建议的实施及影响。
  • ICANN 内部的重要稳定性问题。
  • 域名系统 (Domain Name System, DNS) 的安全、稳定和弹性。
  • 未来面临的挑战。

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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."