VCardDav Working Group B. Leiba Internet-Draft Internet Messaging Technology Intended status: Standards Track March 25, 2009 Expires: September 26, 2009 Definition of IANA Registry for Timezone Names draft-leiba-tzregistry-00 Status of this Memo This Internet-Draft is submitted to IETF in full conformance with the provisions of BCP 78 and BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet- Drafts. Internet-Drafts are draft documents valid for a maximum of six months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." The list of current Internet-Drafts can be accessed at http://www.ietf.org/ietf/1id-abstracts.txt. The list of Internet-Draft Shadow Directories can be accessed at http://www.ietf.org/shadow.html. This Internet-Draft will expire on September 26, 2009. Copyright Notice Copyright (c) 2009 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents in effect on the date of publication of this document (http://trustee.ietf.org/license-info). Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Abstract VCards need a stable, well defined list of timezone names, so that users can create VCards that refer to timezones. There is no common list of such names, and other standards need timezone names also. This document creates an IANA registry of timezone names, and initially populates the list. Leiba Expires September 26, 2009 [Page 1] Internet-Draft Timezone Name Registry Definition March 2009 Initial version o Define timezone registry. o Defer initial population with Olsen database until we like the basic document. Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 2. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 3 2.1. New registry for timezone names . . . . . . . . . . . . . . . 3 2.2. Initial population of timezone-names registry . . . . . . . . 3 3. Security Considerations . . . . . . . . . . . . . . . . . . . 4 4. References . . . . . . . . . . . . . . . . . . . . . . . . . 4 4.1. Normative References . . . . . . . . . . . . . . . . . . . . 4 4.2. Informative References . . . . . . . . . . . . . . . . . . . 4 Author's Address . . . . . . . . . . . . . . . . . . . . . . 4 Intellectual Property and Copyright Statements . . . . . . . 5 Leiba Expires September 26, 2009 [Page 2] Internet-Draft Timezone Name Registry Definition March 2009 1. Introduction VCards need a stable, well defined list of timezone names, so that users can create VCards that refer to timezones. There is no common list of such names, and other standards need timezone names also. This document creates an IANA registry of timezone names, and initially populates the list. This document defines only the names, leaving the definition of the timezone rules ("normal offset is UTC+2", "switch to summer time on the third Sunday in March", etc) out of scope. The registry contains an optional URI for each defined timezone, and it's possible for that URI to point to a place where such rule definitions can be obtained. A timezone name has the following ABNF [ABNF] syntax: tzname = ALPHA *127(ALPHA / DIGIT) ; may have mixed case for readability ; interpreted case-insensitively 2. IANA Considerations 2.1. New registry for timezone names IANA is asked to create a new registry for timezone names. This registry contains only IETF-controlled timezone names. New names are registered using the "Specification Required" policy [IANA]. [[It won't be "Specification Required". What should it be?]] This defines the template for a new registry for timezone names, to be created as http://www.iana.org/assignments/timezone-names. There are no initial entries for this registry. To: iana@iana.org Subject: Registration of new timezone name Timezone name: [a short US-ASCII string with no internal meaning] Description: [a human-readable US-ASCII string, in English, that describes the meaning of this timezone (such as, "the time zone in New York City")] Information URI: [A URI that points to more information about this timezone. Specify "none" if there is no appropriate URI.] 2.2. Initial population of timezone-names registry The following are the initial names to be registered in the timezone- names registry, to be entered in http://www.iana.org/assignments/timezone-names. Leiba Expires September 26, 2009 [Page 3] Internet-Draft Timezone Name Registry Definition March 2009 [[anchor1: We'll be filling this in from the Olsen DB...]] Timezone name: ?? Description: a time zone. Information URI: none 3. Security Considerations This document defines an IANA registry. There are no security considerations. 4. References 4.1. Normative References [ABNF] Crocker, D., Ed. and P. Overell, "Augmented BNF for Syntax Specifications: ABNF", RFC 4234, October 2005. 4.2. Informative References [IANA] Narten, T. and H. Alvestrand, "Guidelines for Writing an IANA Considerations Section in RFCs", BCP 26, RFC 2434, October 1998. Author's Address Barry Leiba Internet Messaging Technology Phone: +1 646 827 0648 Email: barryleiba@computer.org Leiba Expires September 26, 2009 [Page 4]