Re: [Drip] Auth Draft Status

Stu Card <stu.card@axenterprize.com> Wed, 12 July 2023 23:55 UTC

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From: Stu Card <stu.card@axenterprize.com>
To: Adam Wiethuechter <adam.wiethuechter@axenterprize.com>, "tm-rid@ietf.org" <tm-rid@ietf.org>
Thread-Topic: Auth Draft Status
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Date: Wed, 12 Jul 2023 23:55:44 +0000
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Archived-At: <https://mailarchive.ietf.org/arch/msg/tm-rid/DA69J7qV2ObnXyWe9ex7sKZF-3I>
Subject: Re: [Drip] Auth Draft Status
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My current thinking on issue 38 (listed 3rd in this thread) --

(a) There is not only a minimum rate requirement of 1 Hz but also a maximum latency requirement of 1 second, which will be easier to ensure if dynamic messages are fresh on each transmission rather than repeated within the 1 second interval.

(b) RID is "Remote IDentification & tracking"; the latter function will work better with fresh rather than repeated messages.

(c) It could be argued this is generic to UAS RID, not specific to DRIP: but goals of DRIP include not only making RID information trustworthy, they also include making RID information useful; fresher information is more useful.

Get Outlook for Android<https://aka.ms/AAb9ysg>

________________________________
From: Tm-rid <tm-rid-bounces@ietf.org> on behalf of Adam Wiethuechter <adam.wiethuechter@axenterprize.com>
Sent: Wednesday, July 12, 2023, 17:30
To: tm-rid@ietf.org <tm-rid@ietf.org>
Subject: [Drip] Auth Draft Status

All,

With the soon to be allocated SAM Type code points the authors (at the shepherds request) are going through any open issues here [1].

After closing a number of them that have been resolved in recent versions or that seem to no longer apply there are 5 left to discuss. The two bold issues are of most concern.

  1.  Issue 41: this has been resolved in a recent commit that will become v31. Will close once v31 goes out.
  2.  Issue 39: in process with ICAO. Should be closed once we have the official allocation notifications - the plan for v31.
  3.  Issue 38: This is an open question that was raised in some personal discussions. It has more to do with what the intention is for RID in general rather than affecting the draft in any substantial way. I will be raising the question to the ODID group to see their thoughts on the matter. Perhaps some notation text is needed to describe the concern but not give a solution?
  4.  Issue 36: an open question on what to use as the "Previous Manifest Hash" value when starting the manifest. [2]
  5.  Issue 35: another open issue pertaining to the Manifest format. cSHAKE128's customization string value. [3]

With -arch going to publish soon this is the WGs next big item to tackle along with -registries.

Reviews and comments about the above issues are appreciated.

[1] https://github.com/ietf-wg-drip/draft-ietf-drip-auth/issues
[2] https://github.com/ietf-wg-drip/draft-ietf-drip-auth/issues/36
[3] https://github.com/ietf-wg-drip/draft-ietf-drip-auth/issues/35

--------
73,
Adam T. Wiethuechter
Software Engineer; AX Enterprize, LLC