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Uniform Resource Names (URNs) (RFC8141) Disclosure Number: IPCOM000249910D
Original Publication Date: 2017-Apr-01
Included in the Prior Art Database: 2017-Apr-28
Document File: 80 page(s) / 93K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

P. Saint-Andre: AUTHOR [+2]


A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI) [RFC3986] that is assigned under the "urn" URI scheme and a particular URN namespace, with the intent that the URN will be a persistent, location-independent resource identifier. A URN namespace is a collection of such URNs, each of which is (1) unique, (2) assigned in a consistent and managed way, and (3) assigned according to a common definition. (Some URN namespaces create names that exist only as URNs, whereas others assign URNs based on names that were already created in non-URN identifier systems, such as ISBNs [RFC3187], ISSNs [RFC3044], or RFCs [RFC2648].)

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Internet Engineering Task Force (IETF)                    P. Saint-Andre Request for Comments: 8141                                      Filament Obsoletes: 2141, 3406                                         J. Klensin Category: Standards Track                                     April 2017 ISSN: 2070-1721

                      Uniform Resource Names (URNs)


   A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI)    that is assigned under the "urn" URI scheme and a particular URN    namespace, with the intent that the URN will be a persistent,    location-independent resource identifier.  With regard to URN syntax,    this document defines the canonical syntax for URNs (in a way that is    consistent with URI syntax), specifies methods for determining URN-    equivalence, and discusses URI conformance.  With regard to URN    namespaces, this document specifies a method for defining a URN    namespace and associating it with a namespace identifier, and it    describes procedures for registering namespace identifiers with the    Internet Assigned Numbers Authority (IANA).  This document obsoletes    both RFCs 2141 and 3406.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 7841.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at

 Saint-Andre & Klensin        Standards Track                    [Page 1]
 RFC 8141                          URNs                        April 2017

 Copyright Notice

   Copyright (c) 2017 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.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Saint-Andre & Klensin        Standards Track                ...