[Gen-art] Genart last call review of draft-ietf-ippm-ioam-deployment-02

Ines Robles via Datatracker <noreply@ietf.org> Wed, 16 November 2022 23:47 UTC

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Subject: [Gen-art] Genart last call review of draft-ietf-ippm-ioam-deployment-02
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Reviewer: Ines Robles
Review result: Ready with Nits

I am the assigned Gen-ART reviewer for this draft. The General Area
Review Team (Gen-ART) reviews all IETF documents being processed
by the IESG for the IETF Chair.  Please treat these comments just
like any other last call comments.

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<https://trac.ietf.org/trac/gen/wiki/GenArtfaq>.

Document: draft-ietf-ippm-ioam-deployment-02
Reviewer: Ines Robles
Review Date: 2022-11-16
IETF LC End Date: 2022-11-16
IESG Telechat date: Not scheduled for a telechat

Summary:

The document provides a framework for "In-situ" Operations, Administration, and
Maintenance (IOAM) deployment and discusses IOAM Deployment, Types of IOAM,
IOAM Encapsulations, IOAM Data Export, Deployment Considerations and IOAM
Manageability The document is well written, and has a good set of references.

I have some minor questions that I set as nits.

Major issues: None

Minor issues: None

Nits/editorial comments/Questions:

1- Page 19: "... defining performance limits on IOAM encapsulation and IOAM
exporting" -> how are defined the performance limits? 2- What about the IOAM
Data overhead? if it is possible to have it, how to handle it? 3- The IOAM data
is inserted in the packet, even if the data payload is zero? or this scenario
is not possible? 4- In
[https://datatracker.ietf.org/meeting/104/materials/slides-104-6man-sessb-in-situ-oam-ioam-in-ipv6-and-deployment-considerations-for-in-situ-oam-with-ipv6-options-00.pdf]
states: "Packet forwarding behaviour or decisions should not change due to
presence of IOAM". Does this apply to this document as well, right?

Thanks for this document,
Ines.