A YANG Data Model for In-Situ OAM
draft-zhou-ippm-ioam-yang-05
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Tianran Zhou
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Jim Guichard
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Frank Brockners
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Srihari Raghavan
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2020-01-01
(latest revision 2019-06-25)
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IPPM T. Zhou, Ed.
Internet-Draft Huawei
Intended status: Standards Track J. Guichard
Expires: July 5, 2020 Futurewei
F. Brockners
S. Raghavan
Cisco Systems
January 2, 2020
A YANG Data Model for In-Situ OAM
draft-zhou-ippm-ioam-yang-05
Abstract
In-situ Operations, Administration, and Maintenance (IOAM) records
operational and telemetry information in user packets while the
packets traverse a path between two points in the network. This
document defines a YANG module for the IOAM function.
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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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 July 5, 2020.
Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the
document authors. All rights reserved.
Zhou, Ed., et al. Expires July 5, 2020 [Page 1]
Internet-Draft YANG Model for IOAM January 2020
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
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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 . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Tree Diagrams . . . . . . . . . . . . . . . . . . . . . . 3
2. Design of the IOAM YANG Data Model . . . . . . . . . . . . . 3
2.1. Profiles . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2. Preallocated Tracing Profile . . . . . . . . . . . . . . 4
2.3. Incremental Tracing Profile . . . . . . . . . . . . . . . 5
2.4. Proof of Transit Profile . . . . . . . . . . . . . . . . 5
2.5. Edge to Edge Profile . . . . . . . . . . . . . . . . . . 6
3. IOAM YANG Module . . . . . . . . . . . . . . . . . . . . . . 6
4. Security Considerations . . . . . . . . . . . . . . . . . . . 18
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 19
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 20
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 20
7.1. Normative References . . . . . . . . . . . . . . . . . . 20
7.2. Informative References . . . . . . . . . . . . . . . . . 21
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 21
1. Introduction
In-situ Operations, Administration, and Maintenance (IOAM)
[I-D.ietf-ippm-ioam-data] records OAM information within user packets
while the packets traverse a network. The data types and data
formats for IOAM data records have been defined in
[I-D.ietf-ippm-ioam-data]. The IOAM data can be embedded in many
protocol encapsulations such as Network Services Header, Segment
Routing, and IPv6 [I-D.brockners-inband-oam-transport].
This document defines a data model for IOAM capabilities using the
YANG data modeling language [RFC7950]. This YANG model supports all
the three categories of IOAM data, which are Tracing Option, Proof of
Transit Option, and Edge-to-Edge Option.
Zhou, Ed., et al. Expires July 5, 2020 [Page 2]
Internet-Draft YANG Model for IOAM January 2020
1.1. Tree Diagrams
The meaning of the symbols in these diagrams is as follows:
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