YANG Data Model for Layer 3 TE Topologies
draft-liu-teas-yang-sr-te-topo-01

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Network Working Group                                             X. Liu
Internet-Draft                                       Kuatro Technologies
Intended status: Standards Track                              I. Bryskin
Expires: May 3, 2017                                 Huawei Technologies
                                                               V. Beeram
                                                        Juniper Networks
                                                                 T. Saad
                                                       Cisco Systems Inc
                                                                 H. Shah
                                                                   Ciena
                                                            S. Litkowski
                                                 Orange Business Service
                                                        October 30, 2016

               YANG Data Model for Layer 3 TE Topologies
                   draft-liu-teas-yang-sr-te-topo-01

Abstract

   This document defines a YANG data model for Segment Routing (SR)
   topology and Segment Routing (SR) traffic engineering (TE) topology.

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   This document is subject to BCP 78 and the IETF Trust's Legal
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Modeling Considerations . . . . . . . . . . . . . . . . . . .   3
     2.1.  Segment Routing (SR) topology . . . . . . . . . . . . . .   3
     2.2.  Segment Routing (SR) TE topology  . . . . . . . . . . . .   3
     2.3.  Relations to ietf-segment-routing . . . . . . . . . . . .   4
     2.4.  Open Items  . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  Model Structure . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  YANG Module . . . . . . . . . . . . . . . . . . . . . . . . .   6
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  11
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  11
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  11
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  11
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  12
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  12

1.  Introduction

   This document defines a YANG [RFC7950]  data model for describing the
   presentations of Segment Routing (SR) topology and Segment Routing
   (SR) traffic engineering (TE) topology.

1.1.  Terminology

   The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in BCP
   14, [RFC2119].

   The following terms are defined in [RFC7950] and are not redefined
   here:

   o  augment

   o  data model

   o  data node

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2.  Modeling Considerations

2.1.  Segment Routing (SR) topology

   The Layer 3 network topology model is discussed in
   [I-D.ietf-i2rs-yang-l3-topology].  The Segment Routing (SR) topology
   model proposed in this document augments and uses the ietf-l3-
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