A YANG Data Model for NTP
draft-wu-ntp-ntp-cfg-02

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Network Working Group                                              N. Wu
Internet-Draft                                                    Huawei
Intended status: Standards Track                            A. Kumar S N
Expires: June 29, 2017                                      RtBrick Inc.
                                                                 Y. Zhao
                                                                Ericsson
                                                       December 26, 2016

                       A YANG Data Model for NTP
                        draft-wu-ntp-ntp-cfg-02

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.

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   This Internet-Draft will expire on June 29, 2017.

Copyright Notice

   Copyright (c) 2016 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

Wu, et al.                Expires June 29, 2017                 [Page 1]
Internet-Draft                YANG for NTP                 December 2016

   (http://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  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   2
     1.2.  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 . . . . . . . . . . . . . . . . . . . . .  26
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  27
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  27
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  27
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  27
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  28
   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.

1.1.  Terminology

   The following terms are defined in [RFC6020]:

   o  configuration data

   o  data model

   o  module

   o  state data

Wu, et al.                Expires June 29, 2017                 [Page 2]
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   The terminology for describing YANG data models is found in
   [RFC6020].

1.2.  Tree Diagrams

   A simplified graphical representation of the data model is used in
   this document.  The meaning of the symbols in these diagrams is as
   follows:

   o  Brackets "[" and "]" enclose list keys.
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