I reviewed this document as part of the Security Directorate's ongoing
effort to review all IETF documents being processed by the IESG.  These
comments were written primarily for the benefit of the Security Area
Directors.  Document authors, document editors, and WG chairs should
treat these comments just like any other IETF Last Call comments.

Document: draft-ietf-raw-ldacs-12
Reviewer: Russ Housley
Review Date: 2022-09-08
IETF LC End Date: 2022-04-04
IESG Telechat date: 2022-04-21

This document has already been through IETF Last Call, and it has
already appeared in one IESG Telechat.  The document has been revised.
As a result, this review focuses on the things that changed since the
last time that this document appeared on the IESG Telechat agenda.


Summary: Ready


Major Concerns: None


Minor Concerns: None


Nits:

Section 1: I found the wording of the sixth paragraph awkward.
I suggest:

   This document provides information to the IETF community about the
   aviation industry transition of flight guidance systems from analog
   to digital, provides context for LDACS relative to related IETF
   activities [I-D.haindl-lisp-gb-atn], and seeks expertise on reliably
   of IPv6 over LDACS for step (1).  This document does not intend to
   advance LDACS as an IETF standards-track document.

Section 4: s/LDACS testbeds and/LDACS, and/

Section 7.3.3: s/defined, however the/defined; however, the/

Section 9.7: s/RFC 9099/[RFC9099]/