RFC 2079 (rfc2079) - Page 1 of 5

Definition of an X

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Network Working Group                                          M. Smith
Request for Comments: 2079                      Netscape Communications
Category: Standards Track                                  January 1997


   Definition of an X.500 Attribute Type and an Object Class to Hold
                  Uniform Resource Identifiers (URIs)

Status of this Memo

   This document specifies an Internet standards track protocol for the
   Internet community, and requests discussion and suggestions for
   improvements.  Please refer to the current edition of the "Internet
   Official Protocol Standards" (STD 1) for the standardization state
   and status of this protocol.  Distribution of this memo is unlimited.

Abstract

   Uniform Resource Locators (URLs) are being widely used to specify the
   location of Internet resources.  There is an urgent need to be able
   to include URLs in directories that conform to the LDAP and X.500
   information models, and a desire to include other types of Uniform
   Resource Identifiers (URIs) as they are defined.  A number of
   independent groups are already experimenting with the inclusion of
   URLs in LDAP and X.500 directories.  This document builds on the
   experimentation to date and defines a new attribute type and an
   auxiliary object class to allow URIs, including URLs, to be stored in
   directory entries in a standard way.

Background and Intended Usage

   Uniform Resource Locators (URLs) as defined by [1] are the first of
   several types of Uniform Resource Identifiers (URIs) being defined by
   the IETF.  URIs are widely used on the Internet, most notably within
   Hypertext Markup Language [2] documents. This document defines an
   X.500 [3,4] attribute type called labeledURI and an auxiliary object
   class called labeledURIObject to hold all types of URIs, including
   URLs.  These definitions are designed for use in LDAP and X.500
   directories, and may be used in other contexts as well.












Smith                       Standards Track
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