A YANG Data Model for Tunnel Interface Types
RFC 8675

Document Type RFC - Proposed Standard (November 2019; No errata)
Last updated 2019-11-17
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- Yang catalog entry for iana-tunnel-type@2019-04-04.yang
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Stream WG state Submitted to IESG for Publication
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IESG IESG state RFC 8675 (Proposed Standard)
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Send notices to Yong Cui <cuiyong@tsinghua.edu.cn>
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Internet Engineering Task Force (IETF)                      M. Boucadair
Request for Comments: 8675                                        Orange
Category: Standards Track                                      I. Farrer
ISSN: 2070-1721                                      Deutsche Telekom AG
                                                                R. Asati
                                                     Cisco Systems, Inc.
                                                           November 2019

              A YANG Data Model for Tunnel Interface Types

Abstract

   This document specifies the initial version of a YANG module "iana-
   tunnel-type", which contains a collection of IANA-maintained YANG
   identities used as interface types for tunnel interfaces.  The module
   reflects the "tunnelType" registry maintained by IANA.  The latest
   revision of this YANG module can be obtained from the IANA website.

   Tunnel type values are not directly added to the Tunnel Interface
   Types YANG module; they must instead be added to the "tunnelType"
   IANA registry.  Once a new tunnel type registration is made by IANA
   for a new tunneling scheme or even an existing one that is not
   already listed in the current registry (e.g., LISP, NSH), IANA will
   update the Tunnel Interface Types YANG module accordingly.

   Some of the IETF-defined tunneling techniques are not listed in the
   current IANA registry.  It is not the intent of this document to
   update the existing IANA registry with a comprehensive list of tunnel
   technologies.  Registrants must follow the IETF registration
   procedure for interface types whenever a new tunnel type is needed.

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
   https://www.rfc-editor.org/info/rfc8675.

Copyright Notice

   Copyright (c) 2019 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
   (https://trustee.ietf.org/license-info) 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.

Table of Contents

   1.  Introduction
   2.  IANA Tunnel Type YANG Module
   3.  Security Considerations
   4.  IANA Considerations
     4.1.  YANG Module
     4.2.  Updates to the IANA tunnelType Table
   5.  References
     5.1.  Normative References
     5.2.  Informative References
   Appendix A.  Example Usage
   Acknowledgements
   Authors' Addresses

1.  Introduction

   This document specifies the initial version of the iana-tunnel-type
   YANG module containing a collection of IANA-maintained YANG
   identities identifying tunnel interface types.  The module reflects
   IANA's tunnelType registry under the SMI Numbers registry
   [TUNNELTYPE-IANA-REGISTRY].  The latest revision of this module can
   be obtained from the IANA website.

   Tunnel-specific extensions may be added to the Interface module
   [RFC8343] as a function of the tunnel type.  An example of this is
   provided in Appendix A.  It is not the intention of this document to
   define tunnel-specific extensions for every tunnel encapsulation
   technology; those are discussed in dedicated documents such as
   [RFC8676].  Likewise, it is out of the scope of this document to
   update the existing IANA tunnelType registry
   [TUNNELTYPE-IANA-REGISTRY] with a comprehensive list of tunnel
   technologies.  Guidelines and registration procedures for interface
   types and sub-types are discussed in [IFTYPE-REG].

   This document uses the common YANG types defined in [RFC6991] and
   adopts the Network Management Datastore Architecture (NMDA
   [RFC8342]).

   The terminology for describing YANG modules is defined in [RFC7950].
   The meanings of the symbols used in the tree diagram are defined in
   [RFC8340].

2.  IANA Tunnel Type YANG Module

   The iana-tunnel-type module imports the 'iana-if-type' module defined
   in [RFC7224].

   The initial version of the module includes tunnel types defined in
   [RFC4087], [RFC7856], [RFC7870], and [RFC6346].

   <CODE BEGINS> file "iana-tunnel-type@2019-11-16.yang"
   module iana-tunnel-type {
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