A Yang Data Model for Impairment-Aware WSON Optical Networks
draft-lee-ccamp-wson-impairment-yang-00

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CCAMP Working Group                                              Y. Lee
Internet Draft                                                 H. Zheng
Intended status: Standard Track                                  Huawei
Expires: March 1, 2019

                                                        August 31, 2018

       A Yang Data Model for Impairment-Aware WSON Optical Networks

                  draft-lee-ccamp-wson-impairment-yang-00

Abstract

   This document provides a YANG data model for the impairment-aware TE
   topology in wavelength switched optical networks (WSONs).

Status of this Memo

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

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   This Internet-Draft will expire on March 1, 2019.

Copyright Notice

   Copyright (c) 2018 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

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   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://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
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Table of Contents

   1. Introduction...................................................2
      1.1. Terminology...............................................3
      1.2. Tree diagram..............................................3
      1.3. Prefixes in Data Node Names...............................4
   2. YANG Model (Tree Structure)....................................4
   3. IETF-WSON-Topology YANG Model..................................6
   4. Security Considerations.......................................16
   5. IANA Considerations...........................................16
   6. Acknowledgments...............................................16
   7. References....................................................17
      7.1. Normative References.....................................17
      7.2. Informative References...................................17
   8. Contributors..................................................18
   Authors' Addresses...............................................18

1. Introduction

   In order to provision an optical connection (an optical path)
   through a WSON, 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) [RFC6566].

   This document provides a YANG data model for the impairment-aware
   Traffic Engineering (TE) topology in wavelength switched optical
   networks (WSONs). The YANG model described in this document is a
   WSON technology-specific Yang model based on the information model
   developed in [RFC7446] and the two encoding documents [RFC7581] and
   [RFC7579] that developed protocol independent encodings based on
   [RFC7446].

   The intent of this document is to provide a Yang data model, which
   can be utilized by an MDSC to collect states of WSON impairment data

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   from the Transport PNCs to enable impairment-aware optical path
   computation according to the ACTN Architecture [RFC8453]. The
   communication between controllers is done via a NETCONF [RFC8341].

   This document augments the generic TE topology draft [TE-TOPO] and
   reuses groupings via importing other modules such as ietf-wson-
   topology and ietf-te-wson-types defined in [WSON-TOPO].

   This document defines one YANG module: ietf-wson-impairment-topology
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