YANG Data Model for Bidirectional Forwarding Detection (BFD)
draft-ietf-bfd-yang-13

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Last updated 2018-03-21
Replaces draft-zheng-bfd-yang
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Network Working Group                                     R. Rahman, Ed.
Internet-Draft                                             Cisco Systems
Intended status: Standards Track                           L. Zheng, Ed.
Expires: September 22, 2018                          Huawei Technologies
                                                    M. Jethanandani, Ed.

                                                           S. Pallagatti

                                                               G. Mirsky
                                                         ZTE Corporation
                                                          March 21, 2018

      YANG Data Model for Bidirectional Forwarding Detection (BFD)
                         draft-ietf-bfd-yang-13

Abstract

   This document defines a YANG data model that can be used to configure
   and manage Bidirectional Forwarding Detection (BFD).

   The YANG modules in this document conform to the Network Management
   Datastore Architecture (NMDA).

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on September 22, 2018.

Copyright Notice

   Copyright (c) 2018 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

Rahman, et al.         Expires September 22, 2018               [Page 1]
Internet-Draft                  BFD YANG                      March 2018

   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   4
     1.2.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   4
     2.1.  Design of Configuration Model . . . . . . . . . . . . . .   5
       2.1.1.  Common BFD configuration parameters . . . . . . . . .   6
       2.1.2.  Single-hop IP . . . . . . . . . . . . . . . . . . . .   7
       2.1.3.  Multihop IP . . . . . . . . . . . . . . . . . . . . .   7
       2.1.4.  MPLS Traffic Engineering Tunnels  . . . . . . . . . .   8
       2.1.5.  MPLS Label Switched Paths . . . . . . . . . . . . . .   9
       2.1.6.  Link Aggregation Groups . . . . . . . . . . . . . . .   9
     2.2.  Design of Operational State Model . . . . . . . . . . . .   9
     2.3.  Notifications . . . . . . . . . . . . . . . . . . . . . .  10
     2.4.  RPC Operations  . . . . . . . . . . . . . . . . . . . . .  10
     2.5.  BFD top level hierarchy . . . . . . . . . . . . . . . . .  10
     2.6.  BFD IP single-hop hierarchy . . . . . . . . . . . . . . .  10
     2.7.  BFD IP multihop hierarchy . . . . . . . . . . . . . . . .  12
     2.8.  BFD over LAG hierarchy  . . . . . . . . . . . . . . . . .  14
     2.9.  BFD over MPLS LSPs hierarchy  . . . . . . . . . . . . . .  17
     2.10. BFD over MPLS-TE hierarchy  . . . . . . . . . . . . . . .  19
     2.11. Interaction with other YANG modules . . . . . . . . . . .  21
       2.11.1.  Module ietf-interfaces . . . . . . . . . . . . . . .  21
       2.11.2.  Module ietf-ip . . . . . . . . . . . . . . . . . . .  22
       2.11.3.  Module ietf-mpls . . . . . . . . . . . . . . . . . .  22
       2.11.4.  Module ietf-te . . . . . . . . . . . . . . . . . . .  22
     2.12. IANA BFD YANG Module  . . . . . . . . . . . . . . . . . .  22
     2.13. BFD types YANG Module . . . . . . . . . . . . . . . . . .  25
     2.14. BFD top-level YANG Module . . . . . . . . . . . . . . . .  38
     2.15. BFD IP single-hop YANG Module . . . . . . . . . . . . . .  40
     2.16. BFD IP multihop YANG Module . . . . . . . . . . . . . . .  43
     2.17. BFD over LAG YANG Module  . . . . . . . . . . . . . . . .  46
     2.18. BFD over MPLS YANG Module . . . . . . . . . . . . . . . .  50
     2.19. BFD over MPLS-TE YANG Module  . . . . . . . . . . . . . .  54
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