A YANG Data Model for NTP
draft-ietf-ntp-yang-data-model-05
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2018-12-17
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draft-wu-ntp-ntp-cfg
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NTP Working Group N. Wu
Internet-Draft D. Dhody
Intended status: Standards Track Huawei
Expires: June 20, 2019 A. Sinha
A. Kumar S N
RtBrick Inc.
Y. Zhao
Ericsson
December 17, 2018
A YANG Data Model for NTP
draft-ietf-ntp-yang-data-model-05
Abstract
This document defines a YANG data model for Network Time Protocol
(NTP) 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", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in BCP
14 [RFC2119] [RFC8174] when, and only when, they appear in all
capitals, as shown here.
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 June 20, 2019.
Wu, et al. Expires June 20, 2019 [Page 1]
Internet-Draft YANG for NTP December 2018
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
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Operational State . . . . . . . . . . . . . . . . . . . . 3
1.2. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3
1.3. Tree Diagrams . . . . . . . . . . . . . . . . . . . . . . 3
1.4. Prefixes in Data Node Names . . . . . . . . . . . . . . . 3
2. NTP data model . . . . . . . . . . . . . . . . . . . . . . . 4
3. Relationship with NTPv4-MIB . . . . . . . . . . . . . . . . . 8
4. Relationship with RFC 7317 . . . . . . . . . . . . . . . . . 8
5. Access Rules . . . . . . . . . . . . . . . . . . . . . . . . 9
6. Key Management . . . . . . . . . . . . . . . . . . . . . . . 9
7. NTP YANG Module . . . . . . . . . . . . . . . . . . . . . . . 9
8. Usage Example . . . . . . . . . . . . . . . . . . . . . . . . 32
8.1. Unicast association . . . . . . . . . . . . . . . . . . . 32
8.2. Refclock master . . . . . . . . . . . . . . . . . . . . . 34
8.3. Authentication configuration . . . . . . . . . . . . . . 35
8.4. Access configuration . . . . . . . . . . . . . . . . . . 37
8.5. Multicast configuration . . . . . . . . . . . . . . . . . 37
8.6. Manycast configuration . . . . . . . . . . . . . . . . . 41
8.7. Clock state . . . . . . . . . . . . . . . . . . . . . . . 44
8.8. Get all association . . . . . . . . . . . . . . . . . . . 44
8.9. Global statistic . . . . . . . . . . . . . . . . . . . . 46
9. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 46
10. Security Considerations . . . . . . . . . . . . . . . . . . . 47
11. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 48
12. References . . . . . . . . . . . . . . . . . . . . . . . . . 48
12.1. Normative References . . . . . . . . . . . . . . . . . . 48
12.2. Informative References . . . . . . . . . . . . . . . . . 50
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 50
Wu, et al. Expires June 20, 2019 [Page 2]
Internet-Draft YANG for NTP December 2018
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