A YANG Data Model for Optical Transport Network Topology
draft-ietf-ccamp-otn-topo-yang-11
Document Type Active Internet-Draft (ccamp WG)
Authors Haomian Zheng  , Italo Busi  , Xufeng Liu  , Sergio Belotti  , Oscar de Dios 
Last updated 2020-09-21
Replaces draft-zhang-ccamp-l1-topo-yang
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CCAMP Working Group                                             H. Zheng
Internet-Draft                                                   I. Busi
Intended status: Standards Track                     Huawei Technologies
Expires: March 25, 2021                                           X. Liu
                                                          Volta Networks
                                                              S. Belotti
                                                                   Nokia
                                                     O. Gonzalez de Dios
                                                              Telefonica
                                                      September 21, 2020

        A YANG Data Model for Optical Transport Network Topology
                   draft-ietf-ccamp-otn-topo-yang-11

Abstract

   This document describes a YANG data model to describe the topologies
   of an Optical Transport Network (OTN).  It is independent of control
   plane protocols and captures topological and resource related
   information pertaining to OTN.  This model enables clients, which
   interact with a transport domain controller, for OTN topology related
   operations such as obtaining the relevant topology resource
   information.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in BCP 14 [RFC2119]
   [RFC8174] when, and only when, they appear in all capitals, as shown
   here.

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."

Zheng, et al.            Expires March 25, 2021                 [Page 1]
Internet-Draft           OTN Topology YANG Model          September 2020

   This Internet-Draft will expire on March 25, 2021.

Copyright Notice

   Copyright (c) 2020 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
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   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
   2.  Terminology and Notations . . . . . . . . . . . . . . . . . .   3
   3.  YANG Data Model for OTN Topology  . . . . . . . . . . . . . .   4
     3.1.  OTN Topology Data Model Overview  . . . . . . . . . . . .   4
     3.2.  YANG Tree for OTN topology  . . . . . . . . . . . . . . .   5
   4.  The YANG Code . . . . . . . . . . . . . . . . . . . . . . . .  25
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  67
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  67
   7.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  68
   8.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  68
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  69
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  69
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  71
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  72

1.  Introduction

   A transport network is a server-layer network designed to provide
   connectivity services for a client-layer network to carry the client
   traffic transparently across the server-layer network resources.  A
   transport network can be constructed of equipments utilizing any of a
   number of different transport technologies such as the Optical
   Transport Networks (OTN) or packet transport such as provided by the
   MPLS-Transport Profile (MPLS-TP).

   This document defines a data model of an OTN network topology, using
   YANG [RFC7950].  The model can be used by an application exposing to
   a transport controller.  Furthermore, it can be used by an
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