IDN Whois ChallengesIDN Whois Challenges -- TWNIC’s Case study -- TWNIC’s Case study

Vincent W.S. ChenVincent W.S. ChenTaiwan Network Information CenterTaiwan Network Information Center

Oct. 29, 2003Oct. 29, 2003

ContentsContents

Current ASCII-Whois PolicyCurrent ASCII-Whois Policy Chinese IDN Registration PolicyChinese IDN Registration Policy IDN Whois DisplayIDN Whois Display IDN Whois ChallengesIDN Whois Challenges

whois/rwhois/whois++

Whois++ and rwhois can support other language and charset

Whois client is more popular then rwhois and whois++ client

Query

ResponseWhois serverData element:•Domain-name•Network-address•Admin-name …

Whois clientWhois (RFC954 - 1985)Rwhois (RFC1714 - 1994)Whois++ (RFC1834 - 1995)

TWNIC WHOIS Current Elements  Company/Organization Registrant Individual Registrant

DB Element Whois Display DB Element Whois Display

Domain Name V V V V

Company ID V      

Company Name -- Chinese V V    

Company Name-- English V V    

Registrant ID V   V  

Registrant Chinese Name V   V  V (Option)

Registrant English Name V V V  V

Registrant Company Address V      

Registrant English Address V V    

Registrant Chinese Address     V  V (Option)

Registrant TEL V V V  V (Option)

Registrant FAX V V    

Registrant E-mail V V V V

DN Application Date V V V V

DN Expire Date V V V V

DNS Record V V V V

Registrar V V V V

Current ASCII-Whois PolicyCurrent ASCII-Whois Policy

Domain Name Registration Agreement

TWNIC shall have the right, based on international Internet community practice and in consideration of public interests such as protection of consumers, protection of intellectual property rights, enforcement of laws etc., to establish a WHOIS database and to provide to the public through entry-specific online query the information (domain name, name, telephone number, fax number, e-mail address, of applicant, date of application, expiry date, DNS setup information), either in Chinese or in English, as provided by the Applicant and stored in the WHOIS database. To protect the privacy of the Applicant, TWNIC and the Registrar may appoint several items of information provided by Applicant, depending on whether or not the Applicant is an individual, such that the items are subject to public query under the consent of the Applicant.

Chinese Variant TableChinese Variant Table

Chinese Variant Table => http://cdns.twnic.net.tw/cjktable/ietf-draft/Chinese Variant Table => http://cdns.twnic.net.tw/cjktable/ietf-draft/

Character for Registration (CR) TW Corresponding Character (TW) CN Corresponding Character (CN) Relevant Character (RC)

CR TW CN RC台 台 台 台檯籉臺颱 網 網 网 網网 中 中 中 中心 心 心 心…. …. …. …..

Chinese IDN Registration Policy-Chinese IDN Registration Policy-Chinese IDN ExampleChinese IDN Example

Original formOriginal form ：：台網中心台網中心 ..tw tw （（ punycodepunycode ：： xn--xn--fiq43lrrlz83a.twfiq43lrrlz83a.tw ））

Traditional formTraditional form ：：台網中心台網中心 ..tw tw （（ punycodepunycode ：： xn--xn--fiq43lrrlz83a.twfiq43lrrlz83a.tw ））

Simplified formSimplified form ：：台网中心台网中心 ..tw ( punycode: xn--tw ( punycode: xn--fiq43lrrlfy5a.tw)fiq43lrrlfy5a.tw)

Relevant DNRelevant DN：：檯網中心檯網中心 ..tw tw 檯网中心檯网中心 ..tw tw 籉網中心籉網中心 ..twtw 籉网中心籉网中心 ..tw tw 臺網中心臺網中心 ..tw tw 臺网中心臺网中心 ..twtw 颱網中心颱網中心 ..tw tw 颱网中心颱网中心 ..twtw

IDN Registration PolicyIDN Registration Policy

Register IDN 台網中心 .tw

Traditional Character台網中心 .tw

Simplified Character台网中心 .tw

Relevant IDNsReserved by TWNIC

For assistance-resolving

Zone fileZone FileAssistance-Resolving

IDN Registration Policy- (Cont.)IDN Registration Policy- (Cont.)

Each registered Chinese Domain Name will be Each registered Chinese Domain Name will be assigned the three domain names: (1) One original assigned the three domain names: (1) One original domain name, (2) One traditional character, and (3) domain name, (2) One traditional character, and (3) One simplified domain name.One simplified domain name.

Relevant domain names will be reserved by TWNIC Relevant domain names will be reserved by TWNIC for assistance-resolving not allowed others to for assistance-resolving not allowed others to register. But those who have a registered register. But those who have a registered trademark and provide document can claim to trademark and provide document can claim to apply reserved domain name (Exception Case). apply reserved domain name (Exception Case).

IDN Whois DisplayIDN Whois Display

Query: 台網中心 .twIDN Package Information:Original form：台網中心 .tw （ punycode ： xn--

fiq43lrrlz83a.tw ）Traditional form：台網中心 .tw （ punycode ： xn--

fiq43lrrlz83a.tw ）Simplified form：台网中心 .tw (punycode: xn--fiq43lrrlfy5a.tw)Relevant DN ： ( Following Relevant Character’s

Combinations)台 檯 籉 臺 颱 網 网 中 心

Exception Case: 颱網中心 .twRegular Information: …………………….

IDN Whois Display - (Cont.)IDN Whois Display - (Cont.)

Exception Case Query:

Query: 颱網中心 .twIDN Package Information:Original form：颱網中心 .tw （ punycode ： xn--

fiqq24b10v24x.tw ）Traditional form：颱網中心 .tw （ punycode ： xn--

fiqq24b10v24x.tw ）Simplified form ： NoRelevant DN ： No

Regular Whois Information: …………………

IDN IDN Registration Practices Registration Practices ChallengesChallenges

- Character Variant Table- Character Variant Table

- Registry/Registrars Implementations- Registry/Registrars Implementations

-- IDN-EPP support -- IDN-EPP support （（ standard?standard? ））- Registration policy- Registration policy

- Dispute Resolution Policy - Dispute Resolution Policy

IDN Whois ChallengesIDN Whois Challenges

- Check variant table at Whois Query- Check variant table at Whois Query

- Display IDN package elements- Display IDN package elements

- Handle exception case- Handle exception case

- Lack of IDN Whois standard- Lack of IDN Whois standard

- Query/Display with Punycode or other - Query/Display with Punycode or other

Encoding?Encoding?

- Depends on How to implement IDN - Depends on How to implement IDN

Registration Policy?Registration Policy?

Thank You!Thank You!