YANG Data Model for Layer 3 TE Topologies
draft-liu-teas-yang-l3-te-topo-03

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Network Working Group                                             X. Liu
Internet-Draft                                                     Jabil
Intended status: Standards Track                              I. Bryskin
Expires: September 14, 2017                          Huawei Technologies
                                                               V. Beeram
                                                        Juniper Networks
                                                                 T. Saad
                                                       Cisco Systems Inc
                                                                 H. Shah
                                                                   Ciena
                                                     O. Gonzalez de Dios
                                                              Telefonica
                                                          March 13, 2017

               YANG Data Model for Layer 3 TE Topologies
                   draft-liu-teas-yang-l3-te-topo-03

Abstract

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

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   Copyright (c) 2017 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
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   (http://trustee.ietf.org/license-info) in effect on the date of

Liu, et al.            Expires September 14, 2017               [Page 1]
Internet-Draft             YANG L3 TE Topology                March 2017

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Modeling Considerations . . . . . . . . . . . . . . . . . . .   3
     2.1.  Relationship Between Layer 3 Topology and TE topology . .   3
     2.2.  Relationship Modeling . . . . . . . . . . . . . . . . . .   3
   3.  Model Structure . . . . . . . . . . . . . . . . . . . . . . .   3
     3.1.  Layer 3 TE Topology Module  . . . . . . . . . . . . . . .   3
     3.2.  Packet Switching TE Topology Module . . . . . . . . . . .   4
   4.  YANG Modules  . . . . . . . . . . . . . . . . . . . . . . . .  26
     4.1.  Layer 3 TE Topology Module  . . . . . . . . . . . . . . .  26
     4.2.  Packet Switching TE Topology Module . . . . . . . . . . .  29
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  36
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  37
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  37
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  37
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  37
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  37

1.  Introduction

   This document defines a YANG [RFC7950] data model for describing the
   relationship between a layer 3 network topology
   [I-D.ietf-i2rs-yang-l3-topology] and a TE topology
   [I-D.ietf-teas-yang-te-topo].

   When traffic engineering is enabled on a layer 3 network topology,
   there will be a corresponding TE topology.  The TE topology may or
   may not be congruent to the layer 3 network topology.  When such a
   congruent TE topology exists, there will be a one-to-one association
   between the one modeling element in the layer 3 topology to another
   element in the TE topology.  When such a congruent TE topology does
   not exist, the association will not be one-to-one.  This YANG data
   model allows both cases.

1.1.  Terminology

   The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
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