IDNLink

•	[RFC3490] Internationalizing Domain Names in Applications (IDNA)

•	[RFC3491] Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN)

•	[RFC3492] Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA)

KEY REFERENCES:

•	[RFC3454] Preparation of Internationalized Strings ("Stringprep")

•	[UNICODE] The Unicode Standard, Version 3.2.0 (Defined by Unicode Standard, Version 3.0, as amended by: [UAX #27] Unicode Standard Annex #27: Unicode 3.1 and: [UAX #28] Unicode Standard Annex #28: Unicode 3.2)

•	[UAX #9] The Unicode Consortium. Unicode Standard Annex #9, The Bidirectional Algorithm

•	[UAX #15] Unicode Standard Annex #15: Unicode Normalization Forms, Version 3.2.0.

•	[RFC1034] Domain Names - Concepts and Facilities

•	[RFC1035] Domain Names - Implementation and Specification

UPDATES:

•	[RFC3490bis] draft-hoffman-rfc3490bis-01.txt

•	[RFC3491bis] draft-hoffman-rfc3491bis-00.txt

•	[RFC3492bis] draft-costello-rfc3492bis-01.txt

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IDN Statements & Guidelines

•	IESG Statement on IDN

•	ICANN Guidelines for the Implementation of Internationalized Domain Names

•	IAB RFC2825: A Tangled Web: Issues of I18N, Domain Names, and the - Other Internet Protocols

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Registry IDN Language Tables & Policies

TLD

Registry
Operator

Language(s) /
Script(s)

IDN Policies / Language Tables (URL)

.AT	NIC.AT	Latin Scripts	IDN Home \| Policies \| Character Table
.CH	SWITCH	Latin Scripts	IDN Home \| Policies \| Character Table
.CN	CNNIC	Chinese	IDN Home \| Policies \| Variant Tables \| FAQ
.COM	Verisign	Multiple	IDN Home \| Variants Policies \| FAQ
.DE	DENIC	Latin Scripts	IDN Home \| Character Table \| FAQ
.INFO	Afilias	German	IDN Home \| Policies \| Language Rules \| Variant Tables \| FAQ
.JP	JPRS	Japanese	IDN Home \| Character Table
.KR	KRNIC	Hangeul	IDN Home \| Policies \| Language Rules \| FAQ
.NET	Verisign	Multiple	IDN Home \| Variants Policies \| FAQ
.PL	NASK	Multiple	IDN Home \| Policies \| Character Table
.SE	NIC-SE	Latin Scripts	IDN Home \| Language & Character Rules \| FAQ
.TW	TWNIC	Chinese	IDN Home \| Policies \| Language Rules \| Variant Tables \| FAQ

•	Advisory Concerning Registry Request for Authorization to Offer IDN Registrations

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IDN Working Groups, Organizations & Committees

•	ICANN IDN Committee

•	IETF IDN Working Group

•	Multilingual Internet Names Consortium (MINC)

•	Chinese Domain Name Consortium (CDNC)

•	Joint Engineering Team (JET) Meetings

•	AINC (Arabic Internet Names Consortium)

•	Cyrillic Languages Internet Names Consortium

•	ccTLD IDN Task Force

•	CENTR IDN Workshops

•	APTLD IDN Discussion Group

•	Japanese Domain Names Association

•	KRNIC Name Committee

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IDN Related Working Documents

•	Internationalized Resource Identifiers (IRIs)

•	Internationalization of Email Addresses

•	Internationalizing Mail Addresses in Applications (IMAA)

•	Internationalized Mail Address eXtensions (IMAX)

•	Email address internationalization, IRIs, and mailto:

•	Internationalized Domain Names Registration and Administration Guideline for Chinese, Japanese, and Korean

•	Japanese characters in Internationalized Domain Name Label

•	CDNC Simplified - Traditional Chinese Character Equivalence Mapping Table

•	IDN Registry Implementation & Operations Guidelines

•	EPP Internationalized Domain Name (IDN) Object Mapping

•	EPP Internationalized Domain Name Extension

•	Registering Internationalized Domain Names under .PL

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Other IDN Documents, Presentations and Materials

•	IDN Tutorial (Presented by Yoshiro Yoneya at the APTLD Technical Workshop - 21 November 2003 ) [PDF]

•	Multilingual Domain Names & Email Addresses - An Introduction & Call for Preparation for Migration (Presented by Edmon Chung at the Tenth International World Wide Web Conference )

•	Implementing IDNs (Presented by Roozbeh Pournader at CENTR's 1st IDN Workshop ) [PDF]

•	Effect of IDNs on Registrars (Presented by Thomas Keller at CENTR's 2nd IDN Workshop ) [PDF]

•	IDN & Applications (Presented by Michel Suignard of Microsoft at the Internationalized Domain Name Software Developers Summit - 8-9 November 2003) [PPT]

•	ITU Strategy and Policy Unit Newslog: SPU Newslog on Internet Names and Addresses

•	Verisign Naming and Directory Services: Understanding IDNs

•	TWNIC: Introduction to IDN Standards

•	TWNIC: IDN Setup Tutorial

•	TWNIC: Traditional Chinese & Simplified Chinese Character Equivalence Mapping Considerations

•	CNNIC: CDNS Configuration Guide

•	JDNA: Introduction to Japanese Domain Names

•	JDNA: IDNConnect Interoperability testing for internationalized domain names

•	JPRS: Introduction to Japanese .JP Domain Names

•	KRNIC: Introduction to Korean Domain Names

•	KRNIC: IDN Web Server Setup Guide

•	DENIC IDN FAQ

•	The Swiss Education & Research Network (SWITCH): Technicalities of IDN

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Other Relevant Groups

•	World Wide Web Consortium (W3C) Internationalization Interest Group Charter

•	ITU Telecommunication Standardization Sector (ITU-T) Forums

•	Country Code Names Supporting Organization (CCNSO)

•	Generic Names Supporting Organization (GNSO)

•	Unicode Consortium

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Other DNS Standards

•	[RFC2181] Clarifications to the DNS Specification

•	[RFC2535] Domain Name System Security Extensions

•	[RFC2671] Extension Mechanisms for DNS (EDNS0)

•	[RFC2672] Non-Terminal DNS Name Redirection

•	[RFC2673] Binary Labels in the Domain Name System

•	[RFC2826] IAB Technical Comment on the Unique DNS Root

•	[RFC2929] Domain Name System (DNS) IANA Considerations

•	[RFC3467] Role of the Domain Name System (DNS)

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