The IETF XML Registry

Abstract

This document describes an IANA maintained registry for IETF standards which use Extensible Markup Language (XML) related items such as Namespaces, Document Type Declarations (DTDs), Schemas, and Resource Description Framework (RDF) Schemas.

Session Peering Provisioning Framework (SPPF)

“…This document uses URNs to describe XML Namespaces and XML Schemas conforming to a Registry mechanism described in [RFC3688].…”

YANG Module Library

“…This document registers one URI in the "IETF XML Registry" [RFC3688]. Following the format in RFC 3688, the following registration has been made.…”

A Session Initiation Protocol (SIP) Load-Control Event Package

“…The namespace URI for elements defined by this specification is a Uniform Resource Namespace (URN) ([RFC2141]), using the namespace identifier "ietf" defined by [RFC2648] and extended by [RFC3688]. The URN is as follows:…”