A YANG Data Model for Optical Impairment-aware Topology
draft-ietf-ccamp-optical-impairment-topology-yang-06
Document Type Active Internet-Draft (ccamp WG)
Authors Young Lee  , Luc Auge  , Victor Lopez  , Gabriele Galimberti  , Dieter Beller 
Last updated 2021-02-22
Replaces draft-lee-ccamp-optical-impairment-topology-yang
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CCAMP Working Group                                               Y. Lee
Internet-Draft                          SKKU (Sung Kyun Kwan University)
Intended status: Standards Track                                JL. Auge
Expires: August 26, 2021                                          Orange
                                                                V. Lopez
                                                              Telefonica
                                                           G. Galimberti
                                                                   Cisco
                                                               D. Beller
                                                                   Nokia
                                                       February 22, 2021

        A YANG Data Model for Optical Impairment-aware Topology
          draft-ietf-ccamp-optical-impairment-topology-yang-06

Abstract

   In order to provision an optical connection through optical networks,
   a combination of path continuity, resource availability, and
   impairment constraints must be met to determine viable and optimal
   paths through the network.  The determination of appropriate paths is
   known as Impairment-Aware Routing and Wavelength Assignment (IA-RWA)
   for WSON, while it is known as Impairment-Aware Routing and Spectrum
   Assigment (IA-RSA) for SSON.

   This document provides a YANG data model for the impairment-aware TE
   topology in optical networks.

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 August 26, 2021.

Lee, et al.              Expires August 26, 2021                [Page 1]
Internet-Draft    Opt. Impairment-Aware Topo YANG Model    February 2021

Copyright Notice

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   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     1.2.  Tree Diagram  . . . . . . . . . . . . . . . . . . . . . .   4
     1.3.  Prefixes in Data Node Names . . . . . . . . . . . . . . .   4
   2.  Reference Architecture  . . . . . . . . . . . . . . . . . . .   5
     2.1.  Control Plane Architecture  . . . . . . . . . . . . . . .   5
     2.2.  Transport Data Plane  . . . . . . . . . . . . . . . . . .   6
     2.3.  OMS Media Links . . . . . . . . . . . . . . . . . . . . .   7
       2.3.1.  Optical Tributary Signal (OTSi) . . . . . . . . . . .   8
       2.3.2.  Optical Tributary Signal Group (OTSiG)  . . . . . . .   8
       2.3.3.  Media Channel (MC)  . . . . . . . . . . . . . . . . .   9
       2.3.4.  Media Channel Group (MCG) . . . . . . . . . . . . . .  10
     2.4.  Amplifiers  . . . . . . . . . . . . . . . . . . . . . . .  11
     2.5.  Transponders  . . . . . . . . . . . . . . . . . . . . . .  12
       2.5.1.  Standard Modes  . . . . . . . . . . . . . . . . . . .  12
       2.5.2.  Organizational Modes  . . . . . . . . . . . . . . . .  13
       2.5.3.  Explicit Modes  . . . . . . . . . . . . . . . . . . .  14
       2.5.4.  Transponder Capabilities and Current Configuration  .  15
     2.6.  WSS/Filter  . . . . . . . . . . . . . . . . . . . . . . .  16
     2.7.  Optical Fiber . . . . . . . . . . . . . . . . . . . . . .  16
     2.8.  ROADM Node Architectures  . . . . . . . . . . . . . . . .  16
       2.8.1.  Integrated ROADM Architecture with Integrated Optical
               Transponders  . . . . . . . . . . . . . . . . . . . .  17
       2.8.2.  Integrated ROADMs with Integrated Optical
               Transponders and Single Channel Add/Drop Interfaces
               for Remote Optical Transponders . . . . . . . . . . .  18
       2.8.3.  Disaggregated ROADMs Subdivided into Degree,
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