A YANG Data Model for In-Situ OAM
draft-zhou-ippm-ioam-yang-04
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IPPM                                                        T. Zhou, Ed.
Internet-Draft                                                    Huawei
Intended status: Standards Track                             J. Guichard
Expires: December 28, 2019                                     Futurewei
                                                            F. Brockners
                                                             S. Raghavan
                                                           Cisco Systems
                                                           June 26, 2019

                   A YANG Data Model for In-Situ OAM
                      draft-zhou-ippm-ioam-yang-04

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
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   This Internet-Draft will expire on December 28, 2019.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Zhou, Ed., et al.       Expires December 28, 2019               [Page 1]
Internet-Draft             YANG Model for IOAM                 June 2019

   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  . . . . . . . . . . . . . . . . . . . . . . . .   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 December 28, 2019               [Page 2]
Internet-Draft             YANG Model for IOAM                 June 2019

1.1.  Tree Diagrams

   The meaning of the symbols in these diagrams is as follows:
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