draft-liu-teas-transport-network-slice-yang-01 - Transport Network Slice YANG Data Model

Transport Network Slice YANG Data Model
draft-liu-teas-transport-network-slice-yang-01

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Network Working Group                                             X. Liu
Internet-Draft                                            Volta Networks
Intended status: Standards Track                             J. Tantsura
Expires: January 13, 2021                                Apstra Networks
                                                              I. Bryskin
                                                              Individual
                                                            L. Contreras
                                                              Telefonica
                                                                   Q. Wu
                                                                  Huawei
                                                              S. Belotti
                                                                R. Rokui
                                                                   Nokia
                                                           July 12, 2020

                Transport Network Slice YANG Data Model
             draft-liu-teas-transport-network-slice-yang-01

Abstract

   This document describes a YANG data model for managing and
   controlling transport network slices, defined as transport slices in
   [I-D.nsdt-teas-transport-slice-definition].

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 January 13, 2021.

Copyright Notice

   Copyright (c) 2020 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Liu, et al.             Expires January 13, 2021                [Page 1]
Internet-Draft     Transport Network Slice YANG Model          July 2020

   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
   to this document.  Code Components extracted from this document must
   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
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Modeling Considerations . . . . . . . . . . . . . . . . . . .   3
     2.1.  Relationships to Related Topology Models  . . . . . . . .   3
     2.2.  Network Slice with TE . . . . . . . . . . . . . . . . . .   4
     2.3.  ACTN for Network Slicing  . . . . . . . . . . . . . . . .   5
   3.  Model Applicability . . . . . . . . . . . . . . . . . . . . .   5
     3.1.  Network Slicing by Virtualization . . . . . . . . . . . .   5
     3.2.  Network Slicing by TE Overlay . . . . . . . . . . . . . .   8
   4.  Model Tree Structure  . . . . . . . . . . . . . . . . . . . .  10
   5.  YANG Module . . . . . . . . . . . . . . . . . . . . . . . . .  10
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  16
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  17
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  18
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  18
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  18
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  20
   Appendix A.  Data Tree for the Example in Section 3.1.  . . . . .  22
     A.1.  Native Topology . . . . . . . . . . . . . . . . . . . . .  22
     A.2.  Network Slice Blue  . . . . . . . . . . . . . . . . . . .  26
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  32

1.  Introduction

   This document defines a YANG [RFC7950] data model for for
   representing, managing, and controlling transport network slices,
   defined as transport slices in
   [I-D.nsdt-teas-transport-slice-definition]

   The defined data model is an interface between clients and providers
   for configurations and state retrievals, so as to support transport
   network slicing as a service.  Through this model, a client can learn
   the slicing capabilities and the available resources of the provider.

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Transport Network Slice YANG Data Modeldraft-liu-teas-transport-network-slice-yang-01

Transport Network Slice YANG Data Model
draft-liu-teas-transport-network-slice-yang-01