Yang data model for Terminal Access Controller Access Control System Plus
draft-zheng-opsawg-tacacs-yang-00

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Last updated 2018-09-24
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Network Working Group                                           G. Zheng
Internet-Draft                                                   M. Wang
Intended status: Standards Track                                   B. Wu
Expires: March 28, 2019                                           Huawei
                                                      September 24, 2018

  Yang data model for Terminal Access Controller Access Control System
                                  Plus
                   draft-zheng-opsawg-tacacs-yang-00

Abstract

   This document describes a data model of Terminal Access Controller
   Access Control System Plus (TACACS+) client.

   The YANG data model in this document conforms to the Network
   Management Datastore Architecture (NMDA) defined in [RFC8342].

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
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   Drafts is at https://datatracker.ietf.org/drafts/current/.

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   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 March 28, 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
   (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
   2.  Conventions used in this document . . . . . . . . . . . . . .   2
     2.1.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Problem Statement . . . . . . . . . . . . . . . . . . . . . .   3
   4.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   3
   5.  TACACS+ Module  . . . . . . . . . . . . . . . . . . . . . . .   6
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  12
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
   8.  Normative References  . . . . . . . . . . . . . . . . . . . .  13
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  15

1.  Introduction

   This document describes a data model of Terminal Access Controller
   Access Control System Plus (TACACS+) client.TACACS+ provides Device
   Administration for routers, network access servers and other
   networked computing devices via one or more centralized servers.

   This document defines a YANG [RFC7950]data model for the TACACS+
   Protocol [I-D.ietf-opsawg-tacacs]client implementation and
   identification of some common properties within a device containing a
   Network Configuration Protocol (NETCONF) server.  Devices that are
   managed by NETCONF and perhaps other mechanisms have common
   properties that need to be configured and monitored in a standard
   way.

   The YANG data model in this document conforms to the Network
   Management Datastore Architecture (NMDA) defined in [RFC8342].

2.  Conventions used in this document

   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
   BCP14, [RFC2119], [RFC8174] when, and only when, they appear in all
   capitals, as shown here.

   The following terms are defined in [RFC6241] and are used in this
   specification:

   o  client

   o  configuration data

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   o  server

   o  state data

   The following terms are defined in [RFC7950] and are used in this
   specification:

   o  augment

   o  data model

   o  data node

   The terminology for describing YANG data models is found in
   [RFC7950].

2.1.  Tree Diagrams

   Tree diagrams used in this document follow the notation defined in
   [RFC8340].

3.  Problem Statement

   This document defines a YANG data model which allows user to
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