[Detnet] OAM terms
"Pascal Thubert (pthubert)" <pthubert@cisco.com> Tue, 06 July 2021 14:03 UTC
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From: "Pascal Thubert (pthubert)" <pthubert@cisco.com>
To: DetNet WG <detnet@ietf.org>, "raw@ietf.org" <raw@ietf.org>
CC: "gregory.mirsky@ztetx.com" <gregory.mirsky@ztetx.com>, "Black, David" <David.Black@dell.com>, Balázs Varga A <balazs.a.varga@ericsson.com>, Fabrice Theoleyre <theoleyre@unistra.fr>, Janos Farkas <Janos.Farkas@ericsson.com>
Thread-Topic: OAM terms
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Subject: [Detnet] OAM terms
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Dear all There's a need in the DetNet OAM framework and in the RAW architecture/framework to agree on definitions that can be used on both sides to mean the same thing. At the DetNet OAM call today, we agreed to work on that issue before cut off and publish aligned documents. As a starting point, please find below the current text in the RAW document, largely based on a mix of RFC 6291 ans Greg's sentences in the previous thread on this subject; you'll note the 2 original terms for reverse OAM and Limited OAM that need more refining. Fire at will! Pascal AOM: OAM stands for Operations, Administration, and Maintenance, and covers the processes, activities, tools, and standards involved with operating, administering, managing and maintaining any system. This document uses the terms Operations, Administration, and Maintenance, in conformance with the IETF 'Guidelines for the Use of the "OAM" Acronym in the IETF' [RFC6291] and the system observed by the RAW OAM is the Track. Active OAM: Active OAM uses specially constructed test packets crafted to observe a particular Track, subTrack, or Segment of a Track. In-Band OAM: An active OAM packet is considered in-band in the monitored Track when it traverses the same set of links and interfaces receiving the same QoS and PAREO treatment as the data flows that are injected in the Track. Out-of-Band OAM: An active OAM packet is out-of-band if its datapath is topologically the same as of that of the Track, subTrack or Segment being observed, but the QoS or PAREO treatment is different (e.g., lower CoS). Limited OAM: An active OAM packet is a Limited OAM packet when it is observes the RAW operation over a node, a segment, or a subTrack of the Track, though not from Ingress to Egress. It is injected in the datapath and extracted from the datapath around the particular function or subnetwork (e.g., around a relay providing a service layer replication point) that is being tested. Reverse OAM: A Reverse OAM packet is an Out-of-Band OAM packet that traverses the Track from West to East and North-South in one of either direction, to capture and report OAM measurements upstream.
- [Detnet] OAM terms Pascal Thubert (pthubert)
- Re: [Detnet] OAM terms gregory.mirsky
- Re: [Detnet] OAM terms Fabrice Theoleyre
- Re: [Detnet] [Raw] OAM terms Wangyali(Yali,Data Communication Standards and Patents Dept)
- Re: [Detnet] OAM terms Pascal Thubert (pthubert)
- Re: [Detnet] OAM terms Fabrice Theoleyre
- Re: [Detnet] OAM terms Pascal Thubert (pthubert)
- Re: [Detnet] OAM terms Balázs Varga A
- Re: [Detnet] OAM terms gregory.mirsky
- Re: [Detnet] OAM terms Dangjuanna
- Re: [Detnet] OAM terms Pascal Thubert (pthubert)
- Re: [Detnet] OAM terms Pascal Thubert (pthubert)
- Re: [Detnet] OAM terms Pascal Thubert (pthubert)