YANG Module Tags
draft-ietf-netmod-module-tags-08

Document Type Active Internet-Draft (netmod WG)
Last updated 2019-05-03
Replaces draft-rtgyangdt-netmod-module-tags
Stream IETF
Intended RFC status Proposed Standard
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Stream WG state Submitted to IESG for Publication
Document shepherd Joel Jaeggli
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Network Working Group                                           C. Hopps
Internet-Draft                                   LabN Consulting, L.L.C.
Updates: 8407 (if approved)                                    L. Berger
Intended status: Standards Track                   LabN Consulting, LLC.
Expires: November 4, 2019                                  D. Bogdanovic
                                                          Volta Networks
                                                             May 3, 2019

                            YANG Module Tags
                    draft-ietf-netmod-module-tags-08

Abstract

   This document provides for the association of tags with YANG modules.
   The expectation is for such tags to be used to help classify and
   organize modules.  A method for defining, reading and writing a
   modules tags is provided.  Tags may be registered and assigned during
   module definition; assigned by implementations; or dynamically
   defined and set by users.  This document also provides guidance to
   future model writers; as such, this document updates RFC8407.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on November 4, 2019.

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

Hopps, et al.           Expires November 4, 2019                [Page 1]
Internet-Draft              YANG Module Tags                    May 2019

   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
     1.1.  Some possible use cases for YANG module tags  . . . . . .   3
     1.2.  Conventions Used in This Document . . . . . . . . . . . .   4
   2.  Tag Values  . . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.1.  IETF Tags . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Vendor Tags . . . . . . . . . . . . . . . . . . . . . . .   4
     2.3.  User Tags . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.4.  Reserved Tags . . . . . . . . . . . . . . . . . . . . . .   5
   3.  Tag Management  . . . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Module Definition Tagging . . . . . . . . . . . . . . . .   5
     3.2.  Implementation Tagging  . . . . . . . . . . . . . . . . .   5
     3.3.  User Tagging  . . . . . . . . . . . . . . . . . . . . . .   5
   4.  Tags Module Structure . . . . . . . . . . . . . . . . . . . .   6
     4.1.  Tags Module Tree  . . . . . . . . . . . . . . . . . . . .   6
     4.2.  YANG Module . . . . . . . . . . . . . . . . . . . . . . .   6
   5.  Other Classifications . . . . . . . . . . . . . . . . . . . .   9
   6.  Guidelines to Model Writers . . . . . . . . . . . . . . . . .   9
     6.1.  Define Standard Tags  . . . . . . . . . . . . . . . . . .   9
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
     7.1.  YANG Module Tag Prefixes Registry . . . . . . . . . . . .   9
     7.2.  IETF YANG Module Tags Registry  . . . . . . . . . . . . .  10
     7.3.  Updates to the IETF XML Registry  . . . . . . . . . . . .  12
     7.4.  Updates to the YANG Module Names Registry . . . . . . . .  12
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  13
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  13
   Appendix A.  Examples . . . . . . . . . . . . . . . . . . . . . .  14
   Appendix B.  Acknowledgements . . . . . . . . . . . . . . . . . .  15
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  15

1.  Introduction

   The use of tags for classification and organization is fairly
   ubiquitous not only within IETF protocols, but in the internet itself
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