A brief introduction of jet and its activities
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A brief introduction of JET and its activities. 25 Mar 2003 Hiro HOTTA < [email protected] >. What is JET?. J oint E ngineering T eam CJK NICs CNNIC KRNIC TWNIC JPNIC+JPRS individual experts James Seng John Klensin … Formed in July, 2000 Objectives

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A brief introduction of JET and its activities

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A brief introduction of JETand its activities

25 Mar 2003

Hiro HOTTA <[email protected]>

What is JET?

  • Joint Engineering Team

    • CJK NICs

      • CNNIC

      • KRNIC

      • TWNIC

      • JPNIC+JPRS

    • individual experts

      • James Seng

      • John Klensin

  • Formed in July, 2000

  • Objectives

    • to work for the early, solid and cost-effective introduction of standardized Internationalized Domain Name (IDN) system

  • Co-chairs

    • K. Huang (TWNIC)

    • K. Konishi (JPNIC)


2000July1st [email protected]

Aug.2nd [email protected]

Nov.3rd [email protected]

2001Feb.4th [email protected] Lumpur

May.5th [email protected]

Oct.6th [email protected]

Nov.7th [email protected]

2002Jan.8th [email protected]

Mar.9th [email protected]

July10th [email protected]

Oct.11th [email protected]

2003Feb.12th [email protected]


  • Evaluation of proposed ACE algorithms using real-world IDNs (practically registered and used)

    • Led AMC-ACE-Z (later named Punycode) to the final selection

  • Raising TC/SC issues

    • There are cases where 2 or multiple characters should be regarded as the same

      • e.g., 國 & 国

    • IETF recognized the importance and difficulties of the issue


  • Proposal of IDN-Admin

    • http://www.ietf.org/internet-drafts/draft-jseng-idn-admin-02.txt

    • Language table for C/J/K defined by each NIC

      • E.g., http://www.ietf.org/internet-drafts/draft-yoneya-idn-jpchar-01.txt

    • Considering the background of IDN-admin, IESG published a statement on IDN

      • Language information associated to IDN

      • Set of characters to be used as an IDN declared

      • Equivalency among characters concerned

      • Conversion between display format and wire format of characters

      • http://www1.ietf.org/mail-archive/ietf-announce/Current/msg22545.html


  • Extracting 2-layered documents from CJK guideline as an example wrt. IDN-Admin

    • Making a general mechanism for all languages

    • Making examples for Chinese/Japanese/Korean

  • JET would not make IDN-Admin’s scope out of CJK

  • Defining variant tables for Chinese/Japanese/Korean


  • Complete IDN-Admin mechanism

  • Complete a variant table of each NIC

  • Complete a variant table of each language

    • Japanese, Korean : as defined by each NIC

    • Chinese : defined by CN, TW, MO, HK, SG, ...

  • … and then terminate and dissolve



  • Days & Place

    • May 28 through 30, 2003

    • Embassy Suites, San Francisco Airport hotel, near South San Francisco

  • Purposes

    • To help implementers of IDNs in programs, software libraries, and DNS servers to test their software against other programs and against reference implementations

      • evolving experiments as participants offer their experiences and test systems through using each others‘

    • To foster a discussion of issues with registering IDNs in zones throughout the world

  • Convener

    • Paul Hoffman<[email protected]>


  • Agenda

    • 1st & 2nd day : interoperability testing to allow IDNA, Nameprep, and Punycode specifications to progress from Proposed Standard to Draft Standard in a short period of time

    • 3rd day : discussion of registration policies

  • Expected attendees

    • Anyone who is working on end-user implementations of IDNs, such as web browsers and email clients

    • Software developers who are creating IDN-aware libraries

    • Developers of front-ends to DNS servers

    • Registries and registrars who are grappling with IDN registration policies

  • Mailing list

    • To subscribe send a message to:    [email protected] the single word "subscribe" in the body of the message

  • Web site

    • http://idnconnect.jdna.jp/

    • described in several languages

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