[ippm] Protocol Action: 'Data Fields for In-situ OAM' to Proposed Standard (draft-ietf-ippm-ioam-data-17.txt)
The IESG <iesg-secretary@ietf.org> Mon, 13 December 2021 18:33 UTC
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Cc: Al Morton <acm@research.att.com>, The IESG <iesg@ietf.org>, acm@research.att.com, draft-ietf-ippm-ioam-data@ietf.org, ippm-chairs@ietf.org, ippm@ietf.org, martin.h.duke@gmail.com, rfc-editor@rfc-editor.org
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Date: Mon, 13 Dec 2021 10:33:12 -0800
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Subject: [ippm] Protocol Action: 'Data Fields for In-situ OAM' to Proposed Standard (draft-ietf-ippm-ioam-data-17.txt)
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The IESG has approved the following document: - 'Data Fields for In-situ OAM' (draft-ietf-ippm-ioam-data-17.txt) as Proposed Standard This document is the product of the IP Performance Measurement Working Group. The IESG contact persons are Zaheduzzaman Sarker and Martin Duke. A URL of this Internet Draft is: https://datatracker.ietf.org/doc/draft-ietf-ippm-ioam-data/ Technical Summary This memo describes a specific type of OAM capability intended to operate within a network domain, and complements traditional measurement tools for connectivity and route discovery (such as ping and traceroute). This form is called In-situ-OAM, and the techniques employed fall in the RFC 7799 category of Hybrid Type I (as a combination of Active measurement using synthetic traffic and pure Passive observations of user traffic, by adding measurement-specific information to user traffic). Packets with In-situ OAM encapsulation record information as they traverse nodes within a specific network domain. This information includes timestamps, identification of interfaces, and other details that can assist with OAM activities which include new ones, such as proof of transit (exactly which nodes/interfaces were visited). The IOAM encapsulation will be added/ removed at domain ingress/egress, may be added to all or a subset of packets, and updated at all or a subset of transit nodes. IOAM Namespaces provide another dimension of flexibility for actions. This memo will be used a as a reference for additional RFCs that specify encapsulations in a variety of protocols, such as Segment Routing, Geneve, or IPv6. Working Group Summary This work topic & proposal was bounced-around a bit before finding an appropriate home in Transport Area and IPPM WG. Many of the details of IOAM data fields and operations were discussed at length on e-mail and debated at side meetings. Further the development used GitHub's capabilities to track issues and the discussion to resolve each item. https://github.com/inband-oam/ietf/pulls?q=is%3Apr+is%3Aclosed Document Quality This document provides a data model that will be used by various encapsulations. One of these encapsulations (IPv6 options) is already adopted by IPPM and another (Geneve) is an individual draft. Personnel The shepherd is Al Morton. The Responsible AD is Martin Duke. The IANA Experts for the registries in this document are Frank Brockners <fbrockne@cisco.com> and Tal Mizrahi <tal.mizrahi.phd@gmail.com>. IESG Note There was a discussion in IETF Last Call about integrity protection of IOAM. The result was that the authors submitted a separate draft, which is being fast-tracked in IPPM, added an informative reference to this draft.