Geneve encapsulation for In-situ OAM Data
draft-brockners-ippm-ioam-geneve-05
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Active Internet-Draft (individual)
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Frank Brockners
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Shwetha Bhandari
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Vengada Govindan
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Carlos Pignataro
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Nagendra Nainar
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Hannes Gredler
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John Leddy
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Stephen Youell
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Tal Mizrahi
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Petr Lapukhov
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Barak Gafni
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Aviv Kfir
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Mickey Spiegel
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2020-11-19
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ippm F. Brockners, Ed.
Internet-Draft Cisco
Intended status: Standards Track S. Bhandari
Expires: May 23, 2021 Thoughtspot
V. Govindan
C. Pignataro, Ed.
N. Nainar, Ed.
Cisco
H. Gredler
RtBrick Inc.
J. Leddy
S. Youell
JMPC
T. Mizrahi
Huawei Network.IO Innovation Lab
P. Lapukhov
Facebook
B. Gafni
A. Kfir
Mellanox Technologies, Inc.
M. Spiegel
Barefoot Networks, an Intel company
November 19, 2020
Geneve encapsulation for In-situ OAM Data
draft-brockners-ippm-ioam-geneve-05
Abstract
In-situ Operations, Administration, and Maintenance (IOAM) records
operational and telemetry information in the packet while the packet
traverses a path between two points in the network. This document
proposes a new Geneve tunnel option and outlines how IOAM data fields
are carried in the option data field.
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/.
Brockners, et al. Expires May 23, 2021 [Page 1]
Internet-Draft In-situ OAM Geneve encapsulation November 2020
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 May 23, 2021.
Copyright Notice
Copyright (c) 2020 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 . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Conventions . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1. Requirement Language . . . . . . . . . . . . . . . . . . 3
2.2. Abbreviations . . . . . . . . . . . . . . . . . . . . . . 3
3. IOAM Data Field Encapsulation in Geneve . . . . . . . . . . . 3
4. Considerations . . . . . . . . . . . . . . . . . . . . . . . 5
4.1. Discussion of the encapsulation approach . . . . . . . . 5
4.2. IOAM and the use of the Geneve O-bit . . . . . . . . . . 6
4.3. Transit devices . . . . . . . . . . . . . . . . . . . . . 6
4.4. Additional Encapsulation Consideration . . . . . . . . . 7
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 7
6. Security Considerations . . . . . . . . . . . . . . . . . . . 7
7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 7
8. Normative References . . . . . . . . . . . . . . . . . . . . 7
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 8
1. Introduction
In-situ OAM (IOAM) records OAM information within the packet while
the packet traverses a particular network domain. The term "in-situ"
refers to the fact that the IOAM data fields are added to the data
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