To:
"'George Belotsky'" <george@register.com>, ietf-provreg@cafax.se
From:
"Hollenbeck, Scott" <shollenbeck@verisign.com>
Date:
Fri, 13 Apr 2001 13:04:31 -0400
Sender:
owner-ietf-provreg@cafax.se
Subject:
RE: A Comment on 9. [1] of the requirements document.
>-----Original Message----- >From: George Belotsky [mailto:george@register.com] >Sent: Friday, April 13, 2001 12:43 PM >To: ietf-provreg@cafax.se >Subject: A Comment on 9. [1] of the requirements document. > > >Section 9. [1] is quoted below. > > >" [RFC1035] restricts the encoding of Internet host and domain names > in the DNS to a subset of the 7-bit US-ASCII character set. More > recent standards, such as [RFC2130] and [RFC2277], describe the need > to develop protocols for an international Internet. These and other > standards MUST be considered during the protocol design process to > ensure world-wide usability of a generic registry registrar protocol." > >This is not quite correct. Quote from RFC1035 follows. > >"Although labels can contain any 8 bit values in octets that make up a >label, it is strongly recommended that labels follow the preferred >syntax described elsewhere in this memo, which is compatible with >existing host naming conventions. Name servers and resolvers must >compare labels in a case-insensitive manner (i.e., A=a), assuming ASCII >with zero parity. Non-alphabetic codes must match exactly." > >Thus, DNS labels can contain arbitrary octets. If such labels are >properly supported by existing software, it may be possible to make >use this functionality. The statement is absolutely correct. Please re-read section 2.3.1, "Preferred name syntax", starting at the bottom of page 6. It very clearly constrains the label space for domain and host names as described. <Scott/>