A Yang Data Model for Optical Impairment-aware Topology
draft-ietf-ccamp-optical-impairment-topology-yang-05

Document Type Active Internet-Draft (ccamp WG)
Authors Young Lee  , Luc Auge  , Victor Lopez  , Gabriele Galimberti  , Dieter Beller 
Last updated 2020-11-02
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: May 6, 2021                                              Orange
                                                                V. Lopez
                                                              Telefonica
                                                           G. Galimberti
                                                                   Cisco
                                                               D. Beller
                                                                   Nokia
                                                        November 2, 2020

        A Yang Data Model for Optical Impairment-aware Topology
          draft-ietf-ccamp-optical-impairment-topology-yang-05

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 May 6, 2021.

Lee, et al.                Expires May 6, 2021                  [Page 1]
Internet-Draft    Opt. Impairment-Aware Topo YANG Model    November 2020

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
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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.  Application Codes . . . . . . . . . . . . . . . . . .  12
       2.5.2.  Organizational Modes  . . . . . . . . . . . . . . . .  13
       2.5.3.  Explicit Modes  . . . . . . . . . . . . . . . . . . .  14
       2.5.4.  Transponder Capabilities and Current Configuration  .  14
     2.6.  WSS/Filter  . . . . . . . . . . . . . . . . . . . . . . .  15
     2.7.  Optical Fiber . . . . . . . . . . . . . . . . . . . . . .  15
     2.8.  ROADM Node Architectures  . . . . . . . . . . . . . . . .  16
       2.8.1.  Integrated ROADM Architecture with Integrated Optical
               Transponders  . . . . . . . . . . . . . . . . . . . .  16
       2.8.2.  Integrated ROADMs with Integrated Optical
               Transponders and Single Channel Add/Drop Interfaces
               for Remote Optical Transponders . . . . . . . . . . .  17
       2.8.3.  Disaggregated ROADMs Subdivided into Degree,
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