[DMM] Re: draft-ietf-dmm-tn-aware-mobility-25 ietf last call Genart review

[Kaippallimalil John <[e-mail]>]

Thank you, Linda, for the review.

- revised "F-U" to "F1-U"
- revised "to setup" -> "to set up" when it is used as a verb
- maybe -> may be
- added as note in Figure that VLAN is only illustrative

Two other changes were made (thanks to Luis for pointing that out to me):
- revise I-D.ietf-teas-5g-ns-ip-mpls to RFC 9889
- revise I-D.jlu-dmm-udp-tunnel-acaas to I-D.ietf-dmm-udp-tunnel-acaas-extn

Posted new revision. Here is a link to the diff:
A diff from the previous version is available at:
https://author-tools.ietf.org/iddiff?url2=draft-ietf-dmm-tn-aware-mobility-26

BR,
John



> -----Original Message-----
> From: Linda Dunbar via Datatracker <[e-mail]>
> Sent: Tuesday, May 12, 2026 9:09 PM
> To: [e-mail]
> Cc: [e-mail]; [e-mail]; last-
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> Subject: draft-ietf-dmm-tn-aware-mobility-25 ietf last call Genart review
>
> Document: draft-ietf-dmm-tn-aware-mobility
> Title: Mobility-aware Transport Network Slicing for 5G
> Reviewer: Linda Dunbar
> 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
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> Document: draft-ietf-dmm-tn-aware-mobility-25
> Reviewer: Linda Dunbar
> Review Date: 2026-05-12
> IETF LC End Date: 2026-05-13
> IESG Telechat date: Not scheduled for a telechat
>
> Summary: This document describes a way to map 5G user-plane traffic for a
> given 3GPP slice to the appropriate transport-network slice by using the GTP-
> U outer UDP source port, including across mobility and handover.
>
> Major issues: None
>
> Minor issues: None
>
> Nits/editorial comments:
> - In the Introduction, "F-U" appears to be used where "F1-U" is probably
> intended. - In Section 1, "UDP source port ranges in TN underlays for slice
> mapping is described in Section 4" should be "are described in Section 4". -
> There are a few places where "to setup" should be "to set up," for example in
> Section 2 and Section 3.3. - In Section 3.2, "maybe realized in an NSS" should
> be "may be realized in an NSS." - The text says the solution does not depend
> on VLANs, but Figure 3 includes VLAN matching prominently. A short note in
> the figure caption or text saying VLAN is only illustrative would improve clarity.
>
> Best Regards,
>
> Linda Dunbar
>