YANG Data Model for Layer 3 TE Topologies
draft-ietf-teas-yang-l3-te-topo-08
Document Type Active Internet-Draft (teas WG)
Authors Xufeng Liu  , Igor Bryskin  , Vishnu Beeram  , Tarek Saad  , Himanshu Shah  , Oscar de Dios 
Last updated 2020-07-13
Replaces draft-liu-teas-yang-l3-te-topo
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Network Working Group                                             X. Liu
Internet-Draft                                            Volta Networks
Intended status: Standards Track                              I. Bryskin
Expires: January 13, 2021                                     Individual
                                                               V. Beeram
                                                                 T. Saad
                                                        Juniper Networks
                                                                 H. Shah
                                                                   Ciena
                                                     O. Gonzalez de Dios
                                                              Telefonica
                                                           July 12, 2020

               YANG Data Model for Layer 3 TE Topologies
                   draft-ietf-teas-yang-l3-te-topo-08

Abstract

   This document defines a YANG data model for layer 3 traffic
   engineering topologies.

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
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   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.

   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

Liu, et al.             Expires January 13, 2021                [Page 1]
Internet-Draft             YANG L3 TE Topology                 July 2020

   carefully, as they describe your rights and restrictions with respect
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Modeling Considerations for L3 TE Topologies  . . . . . . . .   3
     2.1.  Relationship Between Layer 3 Unicast Topology and TE
           topology  . . . . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Relationship Modeling . . . . . . . . . . . . . . . . . .   5
       2.2.1.  Topology Referencing  . . . . . . . . . . . . . . . .   5
       2.2.2.  Node Referencing  . . . . . . . . . . . . . . . . . .   6
       2.2.3.  Link Termination Point Referencing  . . . . . . . . .   6
       2.2.4.  Link Referencing  . . . . . . . . . . . . . . . . . .   6
     2.3.  Topology Type Modeling  . . . . . . . . . . . . . . . . .   7
   3.  Packet Switching Technology Extensions  . . . . . . . . . . .   7
     3.1.  Technology Specific Link Attributes . . . . . . . . . . .   7
     3.2.  Performance Metric  . . . . . . . . . . . . . . . . . . .   7
   4.  Complete Model Tree Structure . . . . . . . . . . . . . . . .   8
     4.1.  Layer 3 TE Topology Module  . . . . . . . . . . . . . . .   8
     4.2.  Packet Switching TE Topology Module . . . . . . . . . . .   9
   5.  YANG Modules  . . . . . . . . . . . . . . . . . . . . . . . .  29
     5.1.  Layer 3 TE Topology Module  . . . . . . . . . . . . . . .  29
     5.2.  Packet Switching TE Topology Module . . . . . . . . . . .  34
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  42
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  43
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  46
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  46
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  48
   Appendix A.  Companion YANG Model for Non-NMDA Compliant
                Implementations  . . . . . . . . . . . . . . . . . .  49
     A.1.  Layer 3 TE Topology State Module  . . . . . . . . . . . .  49
     A.2.  Packet Switching TE Topology State Module . . . . . . . .  52
   Appendix B.  Data Tree Example  . . . . . . . . . . . . . . . . .  59
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  69

1.  Introduction
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