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The Unicode Code Points and Internationalized Domain Names for Applications (IDNA) (RFC5892)

IP.com Disclosure Number: IPCOM000198350D
Original Publication Date: 2010-Aug-01
Included in the Prior Art Database: 2010-Aug-05

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

P. Faltstrom: AUTHOR [+2]

Abstract

RFC 4690 [RFC4690] suggests an inclusion-based approach for selecting the code points from The Unicode Standard [Unicode52] that should be included in the list of code points that may be used in Internationalized Domain Names.

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Internet Engineering Task Force (IETF)                 P. Faltstrom, Ed. Request for Comments: 5892                                         Cisco Category: Standards Track                                    August 2010 ISSN: 2070-1721

                       The Unicode Code Points and          Internationalized Domain Names for Applications (IDNA)

Abstract

   This document specifies rules for deciding whether a code point,    considered in isolation or in context, is a candidate for inclusion    in an Internationalized Domain Name (IDN).

   It is part of the specification of Internationalizing Domain Names in    Applications 2008 (IDNA2008).

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc5892.

Copyright Notice

   Copyright (c) 2010 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Faltstrom                    Standards Track                    [Page 1]
 RFC 5892                    IDNA Code Points                 August 2010

 Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3

   2.  Category Definitions Used to Calculate Derived Property

       Value  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  5

     2.1.  LetterDigits (A) . . . . . . . . . . . . . . . . . . . . .  5

     2.2.  Unstable (B) . . . . . . . . . . . . . . . . . . . . . . .  6

     2.3.  IgnorableProperties (C)  . . . . . . . . . . . . . . . . .  6

     2.4.  IgnorableBlocks (D)  . . . . . . . . . . . . . . . . . . .  7

     2.5.  LDH (E)  . . . . . . . . . . . . . . . . . . . . . . . . .  7

     2.6.  ...