Transport Northbound Interface Applicability Statement and Use Cases
draft-tnbidt-ccamp-transport-nbi-use-cases-03

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Last updated 2017-09-25 (latest revision 2017-09-20)
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CCAMP Working Group                                      I. Busi (Ed.)
Internet Draft                                                 Huawei
Intended status: Informational                                D. King
                                                  Lancaster University

Expires: March 2018                                 September 20, 2017

    Transport Northbound Interface Applicability Statement and Use Cases
               draft-tnbidt-ccamp-transport-nbi-use-cases-03

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Busi & King, et al.    Expires March 20, 2018                 [Page 1]
Internet-Draft         Transport NBI Use Cases          September 2017

Abstract

   Transport network domains, including Optical Transport Network (OTN)
   and Wavelength Division Multiplexing (WDM) networks, are typically
   deployed based on a single vendor or technology platforms. They are
   often managed using proprietary interfaces to dedicated Element
   Management Systems (EMS), Network Management Systems (NMS) and
   increasingly Software Defined Network (SDN) controllers.

   A well-defined open interface to each domain management system or
   controller is required for network operators to facilitate control
   automation and orchestrate end-to-end services across multi-domain
   networks. These functions may be enabled using standardized data
   models (e.g. YANG), and appropriate protocol (e.g., RESTCONF).

   This document describes the key use cases and requirements for
   transport network control and management. It reviews proposed and
   existing IETF transport network data models, their applicability,
   and highlights gaps and requirements.

Table of Contents

   1. Introduction ................................................3
      1.1. Scope of this document .................................4
   2. Terminology .................................................4
   3. Conventions used in this document............................4
      3.1. Topology and traffic flow processing ...................4
   4. Use Case 1: Single-domain with single-layer .................5
      4.1. Reference Network ......................................5
         4.1.1. Single Transport Domain - OTN Network .............5
      4.2. Topology Abstractions ..................................8
      4.3. Service Configuration ..................................9
         4.3.1. ODU Transit .......................................9
         4.3.2. EPL over ODU ......................................10
         4.3.3. Other OTN Client Services .........................10
         4.3.4. EVPL over ODU .....................................11
         4.3.5. EVPLAN and EVPTree Services .......................12
      4.4. Multi-functional Access Links ..........................13
      4.5. Protection Requirements ................................14
         4.5.1. Linear Protection .................................15
   5. Use Case 2: Single-domain with multi-layer ..................15
      5.1. Reference Network ......................................15
      5.2. Topology Abstractions ..................................16
      5.3. Service Configuration ..................................16
   6. Use Case 3: Multi-domain with single-layer ..................16
      6.1. Reference Network ......................................16
      6.2. Topology Abstractions ..................................19

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