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Top Level Domain Name Specification draft-liman-tld-names-01. Lars-Johan Liman liman@autonomica.se Represented by Olafur Gudmundsson. Background. RFC1123: TLD names are “alphabetic” [A-Za-z]+ IDN names start with: “xn—” Not allowed as TLD name Work started in DNS Directorate
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Top Level Domain Name Specificationdraft-liman-tld-names-01 Lars-Johan Liman liman@autonomica.se Represented by Olafur Gudmundsson DNSOP@IETF-76 new TLD name rules
Background • RFC1123: TLD names are “alphabetic” • [A-Za-z]+ • IDN names start with: “xn—” • Not allowed as TLD name • Work started in DNS Directorate • IANA would like technical rules to follow for new TLD’s. DNSOP@IETF-76 new TLD name rules
Proposed new TLD rules: • tldlabel = traditional-tld-label / idn-label • traditional-tld-label = 1*63(ALPHA) • idn-label = Restricted-A-label • ALPHA = %x41-5A / %x61-7A ; A-Z / a-z • L = Ll / Lm / Lo / Lt / Lu • Ll = Lowercase-Letter • Lm = Modifier-Letter • Lo = Other-Letter • Lt = Titlecase-Letter • Lu = Uppercase-Letter • L rule from • http://tools.ietf.org/html/draft-ietf-idnabis-defs-12 DNSOP@IETF-76 new TLD name rules
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