YANG Data Model for Layer 3 TE Topologies
draft-ietf-teas-yang-l3-te-topo-04
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Network Working Group                                             X. Liu
Internet-Draft                                            Volta Networks
Intended status: Standards Track                              I. Bryskin
Expires: September 12, 2019                          Huawei Technologies
                                                               V. Beeram
                                                        Juniper Networks
                                                                 T. Saad
                                                       Cisco Systems Inc
                                                                 H. Shah
                                                                   Ciena
                                                     O. Gonzalez de Dios
                                                              Telefonica
                                                          March 11, 2019

               YANG Data Model for Layer 3 TE Topologies
                   draft-ietf-teas-yang-l3-te-topo-04

Abstract

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

Status of This Memo

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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on September 12, 2019.

Copyright Notice

   Copyright (c) 2019 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

Liu, et al.            Expires September 12, 2019               [Page 1]
Internet-Draft             YANG L3 TE Topology                March 2019

   publication of this document.  Please review these documents
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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 Topology and TE topology . .   3
     2.2.  Relationship Modeling . . . . . . . . . . . . . . . . . .   4
       2.2.1.  Topology Referencing  . . . . . . . . . . . . . . . .   4
       2.2.2.  Node Referencing  . . . . . . . . . . . . . . . . . .   4
       2.2.3.  Link Termination Point Referencing  . . . . . . . . .   4
       2.2.4.  Link Referencing  . . . . . . . . . . . . . . . . . .   5
     2.3.  Topology Type Modeling  . . . . . . . . . . . . . . . . .   5
   3.  Packet Switching Technology Extensions  . . . . . . . . . . .   5
     3.1.  Technology Specific Link Attributes . . . . . . . . . . .   5
     3.2.  Performance Metric  . . . . . . . . . . . . . . . . . . .   6
   4.  Model Structure . . . . . . . . . . . . . . . . . . . . . . .   6
     4.1.  Layer 3 TE Topology Module  . . . . . . . . . . . . . . .   6
     4.2.  Packet Switching TE Topology Module . . . . . . . . . . .   7
   5.  YANG Modules  . . . . . . . . . . . . . . . . . . . . . . . .  27
     5.1.  Layer 3 TE Topology Module  . . . . . . . . . . . . . . .  27
     5.2.  Packet Switching TE Topology Module . . . . . . . . . . .  31
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  38
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  40
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  42
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  42
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  44
   Appendix A.  Companion YANG Model for Non-NMDA Compliant
                Implementations  . . . . . . . . . . . . . . . . . .  45
     A.1.  Layer 3 TE Topology State Module  . . . . . . . . . . . .  45
     A.2.  Packet Switching TE Topology State Module . . . . . . . .  48
   Appendix B.  Data Tree Example  . . . . . . . . . . . . . . . . .  53
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  63
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