YANG Data Model for Bidirectional Forwarding Detection (BFD)
draft-ietf-bfd-yang-17
Document Type Active Internet-Draft (bfd WG)
Authors Reshad Rahman  , Lianshu Zheng  , Mahesh Jethanandani  , Santosh Pallagatti  , Greg Mirsky 
Last updated 2018-08-10 (latest revision 2018-08-02)
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: February 2, 2019                            Huawei Technologies
                                                    M. Jethanandani, Ed.
                                                     Xoriant Corporation
                                                           S. Pallagatti
                                                                 Rtbrick
                                                               G. Mirsky
                                                         ZTE Corporation
                                                          August 1, 2018

      YANG Data Model for Bidirectional Forwarding Detection (BFD)
                         draft-ietf-bfd-yang-17

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.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at https://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
   and may be updated, replaced, or obsoleted by other documents at any
   time.  It is inappropriate to use Internet-Drafts as reference
   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on February 2, 2019.

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 February 2, 2019                [Page 1]
Internet-Draft                  BFD YANG                     August 2018

   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   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.  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  . . . . . . . . . . . . . .  18
     2.10. BFD over MPLS-TE hierarchy  . . . . . . . . . . . . . . .  20
     2.11. Interaction with other YANG modules . . . . . . . . . . .  22
       2.11.1.  Module ietf-interfaces . . . . . . . . . . . . . . .  22
       2.11.2.  Module ietf-ip . . . . . . . . . . . . . . . . . . .  22
       2.11.3.  Module ietf-mpls . . . . . . . . . . . . . . . . . .  23
       2.11.4.  Module ietf-te . . . . . . . . . . . . . . . . . . .  23
     2.12. IANA BFD YANG Module  . . . . . . . . . . . . . . . . . .  23
     2.13. BFD types YANG Module . . . . . . . . . . . . . . . . . .  26
     2.14. BFD top-level YANG Module . . . . . . . . . . . . . . . .  39
     2.15. BFD IP single-hop YANG Module . . . . . . . . . . . . . .  41
     2.16. BFD IP multihop YANG Module . . . . . . . . . . . . . . .  44
     2.17. BFD over LAG YANG Module  . . . . . . . . . . . . . . . .  47
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