JSON Encoding of Data Modeled with YANG
RFC 7951
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Type |
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RFC - Proposed Standard
(August 2016; No errata)
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Last updated |
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2016-08-31
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Stream |
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IETF
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Formats |
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plain text
pdf
html
bibtex
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Reviews |
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WG state
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Submitted to IESG for Publication
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Document shepherd |
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Kent Watsen
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Shepherd write-up |
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Show
(last changed 2016-02-23)
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| IESG |
IESG state |
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RFC 7951 (Proposed Standard)
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Consensus Boilerplate |
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Yes
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Telechat date |
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Responsible AD |
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Benoit Claise
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Send notices to |
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(None)
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| IANA |
IANA review state |
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Version Changed - Review Needed
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IANA action state |
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No IC
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Internet Engineering Task Force (IETF) L. Lhotka
Request for Comments: 7951 CZ.NIC
Category: Standards Track August 2016
ISSN: 2070-1721
JSON Encoding of Data Modeled with YANG
Abstract
This document defines encoding rules for representing configuration
data, state data, parameters of Remote Procedure Call (RPC)
operations or actions, and notifications defined using YANG as
JavaScript Object Notation (JSON) text.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 7841.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc7951.
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
(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
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.
Lhotka Standards Track [Page 1]
RFC 7951 JSON Encoding of YANG Data August 2016
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Terminology and Notation . . . . . . . . . . . . . . . . . . 3
3. Properties of the JSON Encoding . . . . . . . . . . . . . . . 4
4. Names and Namespaces . . . . . . . . . . . . . . . . . . . . 5
5. Encoding of YANG Data Node Instances . . . . . . . . . . . . 7
5.1. The "leaf" Data Node . . . . . . . . . . . . . . . . . . 7
5.2. The "container" Data Node . . . . . . . . . . . . . . . . 8
5.3. The "leaf-list" Data Node . . . . . . . . . . . . . . . . 8
5.4. The "list" Data Node . . . . . . . . . . . . . . . . . . 9
5.5. The "anydata" Data Node . . . . . . . . . . . . . . . . . 9
5.6. The "anyxml" Data Node . . . . . . . . . . . . . . . . . 10
5.7. Metadata Objects . . . . . . . . . . . . . . . . . . . . 11
6. Representing YANG Data Types in JSON Values . . . . . . . . . 11
6.1. Numeric Types . . . . . . . . . . . . . . . . . . . . . . 11
6.2. The "string" Type . . . . . . . . . . . . . . . . . . . . 11
6.3. The "boolean" Type . . . . . . . . . . . . . . . . . . . 11
6.4. The "enumeration" Type . . . . . . . . . . . . . . . . . 12
6.5. The "bits" Type . . . . . . . . . . . . . . . . . . . . . 12
6.6. The "binary" Type . . . . . . . . . . . . . . . . . . . . 12
6.7. The "leafref" Type . . . . . . . . . . . . . . . . . . . 12
6.8. The "identityref" Type . . . . . . . . . . . . . . . . . 12
6.9. The "empty" Type . . . . . . . . . . . . . . . . . . . . 13
6.10. The "union" Type . . . . . . . . . . . . . . . . . . . . 14
6.11. The "instance-identifier" Type . . . . . . . . . . . . . 15
7. I-JSON Compliance . . . . . . . . . . . . . . . . . . . . . . 15
8. Security Considerations . . . . . . . . . . . . . . . . . . . 16
9. References . . . . . . . . . . . . . . . . . . . . . . . . . 16
9.1. Normative References . . . . . . . . . . . . . . . . . . 16
9.2. Informative References . . . . . . . . . . . . . . . . . 17
Appendix A. A Complete Example . . . . . . . . . . . . . . . . . 18
Acknowledgements . . . . . . . . . . . . . . . . . . . . . . . . 20
Author's Address . . . . . . . . . . . . . . . . . . . . . . . . 20
Lhotka Standards Track [Page 2]
RFC 7951 JSON Encoding of YANG Data August 2016
1. Introduction
The Network Configuration Protocol (NETCONF) [RFC6241] uses XML [XML]
for encoding data in its Content Layer. Other management protocols
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