International Standard Audiovisual Number (ISAN) URN Definition
RFC 4246

 
Document Type RFC - Informational (February 2006; No errata)
Was draft-dolan-urn-isan (individual in app area)
Last updated 2013-03-02
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IESG IESG state RFC 4246 (Informational)
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Responsible AD Ted Hardie
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Network Working Group                                           M. Dolan
Request for Comments: 4246                                           TBT
Category: Informational                                    February 2006

    International Standard Audiovisual Number (ISAN) URN Definition

Status of This Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2006).

Abstract

   The International Standard Audiovisual Number (ISAN) is a standard
   numbering system for the unique and international identification of
   audiovisual works.  This document is the definition of the formal
   Uniform Resource Name (URN) Namespace Identifier (NID) for ISAN.

Table of Contents

   1. Introduction ....................................................2
   2. URN Namespace Definition Template ...............................2
   3. Formal Syntax ...................................................4
   4. Security Considerations .........................................4
   5. Namespace Considerations ........................................4
   6. Community Considerations ........................................4
   7. IANA Considerations .............................................5
   8. References ......................................................5
      8.1. Normative References .......................................5
      8.2. Informative References .....................................5

Dolan                        Informational                      [Page 1]
RFC 4246                  ISAN URN Definition              February 2006

1.  Introduction

   This document is the definition of the formal Uniform Resource Name
   (URN) Namespace Identifier (NID) for ISAN.

2.  URN Namespace Definition Template

   The following template is provided in accordance with [RFC3406].

   Namespace ID:

      ISAN

   Registration Information:

      Version: 1

      Date: 2004 11 22

   Declared registrant of the namespace:

      Name:    ISAN International Agency
      Address: 26 rue de St Jean, CH-1203 Geneva, Switzerland

      Contact: Mr. Patrick Attallah, Managing Director

   Declaration of structure:

      The identifier structure is as follows:

         URN:ISAN:<ISAN-NSS>

      Where ISAN-NSS is conformant to URN syntax requirements defined in
      [RFC2141] and is further constrained by [ISO15706] and in this
      document.  There are two forms, one with the version extension and
      one without.  The formal BNF is defined in section 2 below.
      Examples of the two forms are:

         URN:ISAN:0123-1230-3210-2310-1

         URN:ISAN:1881-66C7-3420-6541-9-9F3A-0245-U

   Relevant ancillary documentation:

      ISAN, its syntax, uses and its processes are defined in
      [ISO15706].

Dolan                        Informational                      [Page 2]
RFC 4246                  ISAN URN Definition              February 2006

   Identifier uniqueness considerations:

      Uniqueness is guaranteed by the ISAN International Agency that
      issues the numbers.  Numbers are not re-assigned.

   Identifier persistence considerations:

      Persistence is guaranteed by ISO Registration Authority
      processes and contracts with the ISAN International Agency.

   Process of identifier assignment:

      The details of the assignment process are defined from time to
      time by the ISAN International Agency.  However, in general, any
      approved entity can request an ISAN number by providing the
      required metadata information and paying the registration fee.
      The ISAN International Agency may delegate to regional or market-
      based Registration Agencies for portions of the registration
      process.

   Process for identifier resolution:

      ISAN numbers are resolved by a direct or indirect lookup with the
      ISAN International Agency.  At this writing, a non-commercial,
      manual system is available online at http://www.isan.org.  The
      resolution procedures may be modified from time to time by the
      ISAN International Agency.

   Rules for Lexical Equivalence:

      The ISAN-NSS is unique by the nature of the ISAN International
      Agency's number management.  The ISAN-NSS is case-insensitive.
      Upper and lower case characters are treated as identical.

   Conformance with URN Syntax:

      No special considerations.  The syntax is fully conformant with
      [RFC2141].

   Validation mechanism:

      The check digits provide syntax integrity.  Lookup is via online
      and offline services provided by the ISAN International Agency.
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