A new Request for Comments is now available in online RFC libraries.
RFC 8141
Title: Uniform Resource Names (URNs)
Author: P. Saint-Andre, J. Klensin
Status: Standards Track
Stream: IETF
Date: April 2017
Mailbox: peter@filament.com,
john-ietf@jck.com
Pages: 40
Characters: 92807
Obsoletes: RFC 2141, RFC 3406
I-D Tag: draft-ietf-urnbis-rfc2141bis-urn-22.txt
URL: https://www.rfc-editor.org/info/rfc8141
DOI: 10.17487/RFC8141
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.
This document is a product of the Uniform Resource Names, Revised Working Group of the IETF.
This is now a Proposed Standard.
STANDARDS TRACK: 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 Official
Internet Protocol Standards (https://www.rfc-editor.org/standards) for the
standardization state and status of this protocol. Distribution of this
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