A YANG Data Model for Routing in Fat Trees (RIFT)
draft-ietf-rift-yang-01

Document Type Active Internet-Draft (rift WG)
Authors Zheng Zhang  , Yuehua Wei  , Shaowen Ma  , Xufeng Liu 
Last updated 2020-07-13
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RIFT WG                                                         Z. Zhang
Internet-Draft                                                    Y. Wei
Intended status: Standards Track                         ZTE Corporation
Expires: January 14, 2021                                          S. Ma
                                                                Mellanox
                                                                  X. Liu
                                                          Volta Networks
                                                           July 13, 2020

           A YANG Data Model for Routing in Fat Trees (RIFT)
                        draft-ietf-rift-yang-01

Abstract

   This document defines a YANG data model for the configuration and
   management of Routing in Fat Trees (RIFT) Protocol.

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 January 14, 2021.

Copyright Notice

   Copyright (c) 2020 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
   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

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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   2
     1.2.  Conventions Used in This Document . . . . . . . . . . . .   3
     1.3.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   3
     1.4.  Prefixes in Data Node Names . . . . . . . . . . . . . . .   3
   2.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   4
     2.1.  Scope of Model  . . . . . . . . . . . . . . . . . . . . .   4
     2.2.  Specification . . . . . . . . . . . . . . . . . . . . . .   4
     2.3.  Overview  . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.4.  RIFT configuration  . . . . . . . . . . . . . . . . . . .  10
     2.5.  RIFT State  . . . . . . . . . . . . . . . . . . . . . . .  10
     2.6.  Notifications . . . . . . . . . . . . . . . . . . . . . .  10
   3.  RIFT YANG model . . . . . . . . . . . . . . . . . . . . . . .  10
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .  29
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  30
   6.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  31
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  31
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  31
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  33
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  33

1.  Introduction

   [I-D.ietf-rift-rift] introduces the protocol definition of RIFT.
   This document defines a YANG data model that can be used to configure
   and manage the RIFT protocol.  The model is based on YANG 1.1 as
   defined in [RFC7950] and conforms to the Network Management Datastore
   Architecture (NDMA) as described in [RFC8342]

1.1.  Terminology

   The terminology for describing YANG data models is found in [RFC6020]
   and [RFC7950], including:

   o  augment

   o  container

   o  choice

   o  data model

   o  data node

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   o  grouping

   o  identity

   o  leaf

   o  leaf-list

   o  list

   o  module

   o  uses

   The following abbreviations are used in this document and the defined
   model:

   RIFT: Routing in Fat Trees [I-D.ietf-rift-rift].

1.2.  Conventions Used in This Document

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
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