YANG Data Model for Layer 3 TE Topologies
draft-ietf-teas-yang-l3-te-topo-10
Document Type Active Internet-Draft (teas WG)
Authors Xufeng Liu  , Igor Bryskin  , Vishnu Beeram  , Tarek Saad  , Himanshu Shah  , Oscar de Dios 
Last updated 2021-02-22
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: August 26, 2021                                      Individual
                                                               V. Beeram
                                                                 T. Saad
                                                        Juniper Networks
                                                                 H. Shah
                                                                   Ciena
                                                     O. Gonzalez de Dios
                                                              Telefonica
                                                       February 22, 2021

               YANG Data Model for Layer 3 TE Topologies
                   draft-ietf-teas-yang-l3-te-topo-10

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 August 26, 2021.

Copyright Notice

   Copyright (c) 2021 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 August 26, 2021                [Page 1]
Internet-Draft             YANG L3 TE Topology             February 2021

   carefully, as they describe your rights and restrictions with respect
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   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  . . . . . . . . . . . . . . . . . . . . . . . .   3
     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  . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.2.  Relationship Modeling . . . . . . . . . . . . . . . . . .   6
       2.2.1.  Topology Referencing  . . . . . . . . . . . . . . . .   6
       2.2.2.  Node Referencing  . . . . . . . . . . . . . . . . . .   7
       2.2.3.  Link Termination Point Referencing  . . . . . . . . .   8
       2.2.4.  Link Referencing  . . . . . . . . . . . . . . . . . .   8
     2.3.  Topology Type Modeling  . . . . . . . . . . . . . . . . .   8
   3.  Packet Switching Technology Extensions  . . . . . . . . . . .   8
     3.1.  Technology Specific Link Attributes . . . . . . . . . . .   9
     3.2.  Performance Metric  . . . . . . . . . . . . . . . . . . .   9
   4.  Complete Model Tree Structure . . . . . . . . . . . . . . . .  10
     4.1.  Layer 3 TE Topology Module  . . . . . . . . . . . . . . .  10
     4.2.  Packet Switching TE Topology Module . . . . . . . . . . .  10
       4.2.1.  Network Types . . . . . . . . . . . . . . . . . . . .  11
       4.2.2.  Node Connectivity Matrix Attributes . . . . . . . . .  11
       4.2.3.  Node Information Source . . . . . . . . . . . . . . .  15
       4.2.4.  Node Local Link Connectivity  . . . . . . . . . . . .  20
       4.2.5.  Link Template for Performance Metrics . . . . . . . .  24
       4.2.6.  Link for Performance Metrics  . . . . . . . . . . . .  27
       4.2.7.  Link Information Source for Performance Metrics . . .  29
       4.2.8.  Link Template for Packet-specific Attributes  . . . .  31
       4.2.9.  Link for Packet-specific Attributes . . . . . . . . .  31
       4.2.10. Link Information Source for Packet-specific
               Attributes  . . . . . . . . . . . . . . . . . . . . .  32
   5.  YANG Modules  . . . . . . . . . . . . . . . . . . . . . . . .  32
     5.1.  Layer 3 TE Topology Module  . . . . . . . . . . . . . . .  32
     5.2.  Packet Switching TE Topology Module . . . . . . . . . . .  37
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  45
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