A YANG Data Model for NTP
draft-ietf-ntp-yang-data-model-00
Document Type Active Internet-Draft (ntp WG)
Last updated 2017-07-17
Replaces draft-wu-ntp-ntp-cfg
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Network Working Group                                              N. Wu
Internet-Draft                                                    Huawei
Intended status: Standards Track                            A. Kumar S N
Expires: January 18, 2018                                   RtBrick Inc.
                                                                 Y. Zhao
                                                                Ericsson
                                                                D. Dhody
                                                                A. Sinha
                                                                  Huawei
                                                           July 17, 2017

                       A YANG Data Model for NTP
                   draft-ietf-ntp-yang-data-model-00

Abstract

   This document defines a YANG data model for Network Time Protocol
   implementations.  The data model includes configuration data and
   state data.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in RFC 2119 [RFC2119].

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 http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six months
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   material or to cite them other than as "work in progress."

   This Internet-Draft will expire on January 18, 2018.

Wu, et al.              Expires January 18, 2018                [Page 1]
Internet-Draft                YANG for NTP                     July 2017

Copyright Notice

   Copyright (c) 2017 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
   (http://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
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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.  Operational State . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.3.  Tree Diagrams . . . . . . . . . . . . . . . . . . . . . .   3
   2.  NTP data model  . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Relationship with NTPv4-MIB . . . . . . . . . . . . . . . . .   6
   4.  Relationship with RFC7317 . . . . . . . . . . . . . . . . . .   7
   5.  NTP YANG Module . . . . . . . . . . . . . . . . . . . . . . .   8
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  25
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  26
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  26
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  26
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  26
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  27
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  28

1.  Introduction

   This document defines a YANG [RFC6020] data model for Network Time
   Protocol [RFC5905] implementations.

   The data model convers configuration of system parameters of NTP,
   such as access rules, authentication and VRF binding, and also
   associations of NTP in different modes and parameters of per-
   interface.  It also provides information about running state of NTP
   implementations.

Wu, et al.              Expires January 18, 2018                [Page 2]
Internet-Draft                YANG for NTP                     July 2017

1.1.  Operational State

   NTP Operational State is included in the same tree as NTP
   configuration, consistent with Network Management Datastore
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