[Ace] FW: [EXTERNAL] New Version Notification for draft-ietf-ace-oauth-authz-41.txt

2021-05-06 Thread Seitz Ludwig
Hello ACE, This update changes my email address from .se to .com. The .se address will soon be discontinued. /Ludwig -Original Message- From: internet-dra...@ietf.org Sent: den 6 maj 2021 09:14 To: Erik Wahlstroem ; Goeran Selander ; Hannes Tschofenig ; Hannes Tschofenig ; Ludwig

[Ace] FW: [EXTERNAL] I-D Action: draft-ietf-ace-oauth-params-15.txt

2021-05-06 Thread Seitz Ludwig
Hello ACE, This update changes my email address from .se (which will soon be discontinued) to .com (and fixes a typo I introduced when addressing the IESG reviews). /Ludwig -Original Message- From: Ace On Behalf Of internet-dra...@ietf.org Sent: den 6 maj 2021 09:07 To:

Re: [Ace] [EXTERNAL] New Version Notification for draft-ietf-ace-oauth-authz-40.txt

2021-04-26 Thread Seitz Ludwig
age- > From: Ace On Behalf Of Seitz Ludwig > Sent: den 26 april 2021 13:13 > To: ace@ietf.org > Subject: [Ace] FW: [EXTERNAL] New Version Notification for draft-ietf-ace- > oauth-authz-40.txt > > Hello ACE, > > This update fixes the outstanding review comment from

[Ace] FW: [EXTERNAL] New Version Notification for draft-ietf-ace-oauth-authz-40.txt

2021-04-26 Thread Seitz Ludwig
april 2021 13:12 To: Erik Wahlstroem ; Goeran Selander ; Hannes Tschofenig ; Seitz Ludwig ; Samuel Erdtman Subject: [EXTERNAL] New Version Notification for draft-ietf-ace-oauth-authz-40.txt A new version of I-D, draft-ietf-ace-oauth-authz-40.txt has been successfully submitted by Ludwig Seitz

[Ace] FW: [EXTERNAL] New Version Notification for draft-ietf-ace-oauth-authz-39.txt

2021-04-16 Thread Seitz Ludwig
Hello ACE, This update is intended to address the various IESG review comments. /Ludwig -Original Message- From: internet-dra...@ietf.org Sent: den 16 april 2021 08:22 To: Erik Wahlstroem ; Goeran Selander ; Hannes Tschofenig ; Seitz Ludwig ; Samuel Erdtman Subject: [EXTERNAL] New

Re: [Ace] [EXTERNAL] Francesca Palombini's Discuss on draft-ietf-ace-oauth-authz-38: (with DISCUSS and COMMENT)

2021-04-16 Thread Seitz Ludwig
Hello Francesca, Thank you for your review, sorry for the long response time. Version -39 addresses some of your comments https://datatracker.ietf.org/doc/html/draft-ietf-ace-oauth-authz-39 I have replies on the remaining comment as follows below (prefixed with 'LS:') Regards, Ludwig 1.

Re: [Ace] [EXTERNAL] Zaheduzzaman Sarker's No Objection on draft-ietf-ace-oauth-authz-38: (with COMMENT)

2021-04-16 Thread Seitz Ludwig
Hello Zahed, Thank you for your review. Sorry for the long response time. Version -39 addresses your comments. https://datatracker.ietf.org/doc/html/draft-ietf-ace-oauth-authz-39 Regards, Ludwig Seitz > -Original Message- > From: Zaheduzzaman Sarker via Datatracker > Sent: den 24

Re: [Ace] [EXTERNAL] Roman Danyliw's Yes on draft-ietf-ace-oauth-authz-38: (with COMMENT)

2021-04-16 Thread Seitz Ludwig
Hello Roman, Thank you for reviewing this draft. Sorry for the long answering delay. Version -39 (https://datatracker.ietf.org/doc/html/draft-ietf-ace-oauth-authz-39) addresses your comments, except for: > ** Would the first paragraph of Section 7.2 of draft-ietf-ace-dtls-authorize >

Re: [Ace] [EXTERNAL] Éric Vyncke's No Objection on draft-ietf-ace-oauth-authz-38: (with COMMENT)

2021-04-16 Thread Seitz Ludwig
Hello Éric, Thank you for your review. Sorry for the long waiting time. Version -39 addresses your comments. https://datatracker.ietf.org/doc/html/draft-ietf-ace-oauth-authz-39 Regards, Ludwig > -Original Message- > From: Éric Vyncke via Datatracker > Sent: den 22 mars 2021 15:56 >

Re: [Ace] [EXTERNAL] Lars Eggert's No Objection on draft-ietf-ace-oauth-authz-38: (with COMMENT)

2021-04-16 Thread Seitz Ludwig
Hello Lars, Thank you for reviewing this draft and sorry for the long response time. Version 39 addresses your comment (and of course the nits you pointed out), basically clarifying that the recommendation against HTTP is limited to constrained environments.

Re: [Ace] [EXTERNAL] Murray Kucherawy's No Objection on draft-ietf-ace-oauth-authz-38: (with COMMENT)

2021-04-16 Thread Seitz Ludwig
Hello Murray, Thank you for reviewing this draft, sorry for the long waiting time. Version -39 fixes your comment. https://datatracker.ietf.org/doc/html/draft-ietf-ace-oauth-authz-39 Regards, Ludwig > -Original Message- > From: Ace On Behalf Of Murray Kucherawy via > Datatracker >

Re: [Ace] [EXTERNAL] Zaheduzzaman Sarker's No Objection on draft-ietf-ace-oauth-params-13: (with COMMENT)

2021-03-26 Thread Seitz Ludwig
Hello Zahed, If it's ok with you I'll fix that in conjunction with the IETF-editor review (they will probably find a few more like this). /Ludwig > -Original Message- > From: Zaheduzzaman Sarker > Sent: den 26 mars 2021 15:04 > To: Seitz Ludwig ; The IESG > Cc: ace-

Re: [Ace] [EXTERNAL] Lars Eggert's No Objection on draft-ietf-ace-oauth-params-13: (with COMMENT)

2021-03-26 Thread Seitz Ludwig
Hello Lars, Thank you for your review. Your issues have been fixed in -14. /Ludwig > -Original Message- > From: Lars Eggert via Datatracker > Sent: den 25 mars 2021 12:11 > To: The IESG > Cc: draft-ietf-ace-oauth-par...@ietf.org; ace-cha...@ietf.org; ace@ietf.org > Subject:

Re: [Ace] [EXTERNAL] Murray Kucherawy's No Objection on draft-ietf-ace-oauth-params-13: (with COMMENT)

2021-03-26 Thread Seitz Ludwig
Hello Murray, Thank you for your review. The issues you pointed out have been fixed in -14. /Ludwig > -Original Message- > From: Murray Kucherawy via Datatracker > Sent: den 25 mars 2021 04:57 > To: The IESG > Cc: draft-ietf-ace-oauth-par...@ietf.org; ace-cha...@ietf.org; ace@ietf.org

Re: [Ace] [EXTERNAL] Zaheduzzaman Sarker's No Objection on draft-ietf-ace-oauth-params-13: (with COMMENT)

2021-03-26 Thread Seitz Ludwig
Hello Zaheduzzaman, Thank you for your review. The issues you found are now fixed in version -14. Note that there seems to be an problem with xml2rfc, since the outdated reference to draft-ietf-ace-oauth-authz-33 should have been taken care of by the tooling. I have notified the maintainer of

Re: [Ace] [EXTERNAL] Genart telechat review of draft-ietf-ace-oauth-params-13

2021-03-26 Thread Seitz Ludwig
Hello Elwyn, Thank you for you review. I have fixed the nit you pointed out in the new version of the draft (-14). /Ludwig > -Original Message- > From: Elwyn Davies via Datatracker > Sent: den 23 mars 2021 23:53 > To: gen-...@ietf.org > Cc: ace@ietf.org;

[Ace] FW: [EXTERNAL] New Version Notification for draft-ietf-ace-oauth-params-14.txt

2021-03-25 Thread Seitz Ludwig
Hello ACE, This update addresses the IESG reviews. I will contact the IESG reviewers individually and explain how I addressed their concerns (hopefully tomorrow). /Ludwig -Original Message- From: internet-dra...@ietf.org Sent: den 25 mars 2021 15:51 To: Seitz Ludwig Subject

Re: [Ace] [EXTERNAL] Éric Vyncke's No Objection on draft-ietf-ace-oauth-authz-38: (with COMMENT)

2021-03-25 Thread Seitz Ludwig
Hello Éric, Thank you for your review. I plan to submit an update of the draft to address your comments (and others') by the end of the week. I have some comments inline. /Ludwig > -Original Message- > == COMMENTS == > > -- Section 3 -- > Should references/expansions be added for

Re: [Ace] [EXTERNAL] Francesca Palombini's Discuss on draft-ietf-ace-oauth-authz-38: (with DISCUSS and COMMENT)

2021-03-25 Thread Seitz Ludwig
Hello Francesca, Thank you for your review. I will address your detailed comments separately, with regards to your DISCUSS: The option to allow both HTTP and JSON for any leg of the communication (client-AS, rs-AS, client-rs) was the result of long discussions in the WG. If I recall correctly

Re: [Ace] [EXTERNAL] Francesca Palombini's No Objection on draft-ietf-ace-oauth-params-13: (with COMMENT)

2021-03-25 Thread Seitz Ludwig
Hello Francesca, Thank you for your review. I have some comments inline. /Ludwig > -- > COMMENT: > -- > > Thank you for this document. A couple of minor

Re: [Ace] [EXTERNAL] Roman Danyliw's Yes on draft-ietf-ace-oauth-authz-38: (with COMMENT)

2021-03-24 Thread Seitz Ludwig
Hello Roman, Thank you for your review. I have taken the liberty to copy your text suggestion for the differences to OAuth 2.0 directly into the document as a new appendix (you will also find an acknowledgment in the acknowledgments section). For the issue below, I need to coordinate with the

Re: [Ace] [EXTERNAL] Re: Martin Duke's No Objection on draft-ietf-ace-oauth-params-13: (with COMMENT)

2021-03-24 Thread Seitz Ludwig
Hi Martin, Ben, If I were to change the offending sentence like so: "It is RECOMMENDED that an AS reject a request containing a symmetric key value ... (Note: this does not apply to key identifiers referencing a symmetric key)" (the "Note..." part being the new clarification), would that help

Re: [Ace] [EXTERNAL] Re: call for adoption for draft-marin-ace-wg-coap-eap

2021-01-22 Thread Seitz Ludwig
I’d like to second the question Mohit assumes Michael is asking: What is the benefit, in the context of IoT, to add the overhead of EAP to say TLS? /Ludwig From: Ace On Behalf Of Mohit Sethi M Sent: den 22 januari 2021 15:37 To: Michael Richardson ; Ace Wg Subject: [EXTERNAL] Re: [Ace] call

[Ace] FW: [EXTERNAL] New Version Notification for draft-ietf-ace-oauth-authz-36.txt

2020-11-16 Thread Seitz Ludwig
, see diff or github for details). /Ludwig -Original Message- From: internet-dra...@ietf.org Sent: den 17 november 2020 08:28 To: Hannes Tschofenig ; Seitz Ludwig ; Goeran Selander ; Erik Wahlstroem ; Samuel Erdtman Subject: [EXTERNAL] New Version Notification for draft-ietf-ace

Re: [Ace] [EXTERNAL] oauth-authz: Introspection endpoint method

2020-11-16 Thread Seitz Ludwig
Hi Christian, The short answer is: We aligned as close as possible with OAuth 2.0, and there Introspection uses POST. /Ludwig > -Original Message- > From: Christian Amsüss > Sent: den 16 november 2020 08:59 > To: draft-ietf-ace-oauth-au...@ietf.org; draft-tiloca-ace-revoked-token- >

Re: [Ace] WGLC review of draft-ietf-ace-mqtt-tls-profile-07

2020-09-30 Thread Seitz Ludwig
Hello Olaf, The AS is supposed to have this information from the registration of the clients and RSs (see Appendix D). The underlying assumption was that if the AS does not have this information it could not generate the right kind of access tokens anyways (e.g. selecting the right kind of

Re: [Ace] WGLC review of draft-ietf-ace-mqtt-tls-profile-07

2020-09-24 Thread Seitz Ludwig
Hello Francesca, Cigdem, I believe I know the reason for the confusion: Earlier versions of the framework allowed the clients to indicate a preference for a specific profile by sending in values with the “ace_profile” parameter in the access token request. This option was removed because we

Re: [Ace] draft-ietf-ace-oauth-authz-35 - unauthorized AS address, DoS, and privacy

2020-09-17 Thread Seitz Ludwig
m: Ace On Behalf Of Stefanie Gerdes > Sent: den 10 september 2020 14:11 > To: ace@ietf.org > Subject: Re: [Ace] draft-ietf-ace-oauth-authz-35 - unauthorized AS address, > DoS, and privacy > > Hi Ludwig, > > comments inline. > > On 09/10/2020 08:49 AM, Seitz Ludwig

Re: [Ace] draft-ietf-ace-oauth-authz-35 - unauthorized AS address, DoS, and privacy

2020-09-10 Thread Seitz Ludwig
Seeing that the mechanism was introduced to bootstrap a client that doesn't know which AS to talk to for a specific RS and given the issues raised by John, what other options do we have that are more secure? a.) A resource directory lookup? I'm not knowledgeable enough on RD to answer whether

Re: [Ace] AS discovery in draft-ietf-ace-oauth-authz-35

2020-09-08 Thread Seitz Ludwig
Hi ACE, Sadly I couldn't attend the interim meeting yesterday. Did the WG decide on how to proceed with regard to John's comment? /Ludwig > -Original Message- > From: John Mattsson > Sent: den 7 september 2020 14:11 > To: ace@ietf.org; Seitz Ludwig > Subject: R

Re: [Ace] AS discovery in draft-ietf-ace-oauth-authz-35

2020-09-07 Thread Seitz Ludwig
Hi John, Replies inline /Ludwig > -Original Message- > From: Ace On Behalf Of John Mattsson > Sent: den 5 september 2020 14:53 > To: ace@ietf.org > Subject: [Ace] AS discovery in draft-ietf-ace-oauth-authz-35 > > Hi, > > I just reviewed draft-ietf-ace-oscore-profile. This made me

Re: [Ace] OSCORE Profile IANA questions

2020-09-02 Thread Seitz Ludwig
+1 (and I'd suggest names that make both "from" and "to" clear, e.g. "client-rs-request" or something like that) /Ludwig -Original Message- From: Francesca Palombini Sent: den 1 september 2020 10:34 To: Seitz Ludwig ; Jim Schaad ; Ace Wg Subject: Re:

Re: [Ace] OSCORE Profile IANA questions

2020-08-31 Thread Seitz Ludwig
1.) I would not put these parameters in the "token request" category, they belong into a new category. Whether they should be registered in the OAuth parameters registry is doubtful to me, since I don't see them being used in a non-ACE OAuth context. Somewhere in the ACE registries? 2.) I

[Ace] PoP tokens, mandatory or not in ACE?

2020-08-04 Thread Seitz Ludwig
Hello ACE, As a follow-up on a discussion between the authors and the Gen-ART Last Call reviewer we have the following issue I'd like to bring to the list to give you the occasion to comment on our proposed solution: > * In the previously mentioned paragraph in 3.3.1: > >... This >

[Ace] FW: I-D Action: draft-ietf-ace-oauth-authz-35.txt

2020-06-24 Thread Seitz Ludwig
Hello ACE, Sadly my -34 update contained an unintended change that we earlier discussed and rejected. -35 reverts this mistaken update. Sorry for that. (Note to self: check diffs before submitting) /Ludwig -Original Message- From: Ace On Behalf Of internet-dra...@ietf.org Sent: den

[Ace] FW: New Version Notification for draft-ietf-ace-oauth-authz-34.txt

2020-06-23 Thread Seitz Ludwig
...@ietf.org Sent: den 23 juni 2020 08:25 To: Samuel Erdtman ; Seitz Ludwig ; Goeran Selander ; Hannes Tschofenig ; Erik Wahlstroem Subject: New Version Notification for draft-ietf-ace-oauth-authz-34.txt A new version of I-D, draft-ietf-ace-oauth-authz-34.txt has been successfully submitted by Ludwig

Re: [Ace] "default value" for authz-info endpoint

2020-06-02 Thread Seitz Ludwig
d follow-up discussion! > > -Ben > > On Mon, Jun 01, 2020 at 09:13:13AM +, Seitz Ludwig wrote: >> Hi Ben, >> >> I had a look at the well-known URI list at IANA and it seems that for >> vanilla OAuth 2.0 endpoints (authorization, token, introspect) the

Re: [Ace] "default value" for authz-info endpoint

2020-06-01 Thread Seitz Ludwig
Hi Ben, I had a look at the well-known URI list at IANA and it seems that for vanilla OAuth 2.0 endpoints (authorization, token, introspect) there are no well-known URI:s either. What exists is an URI used by the authorization server to self-describe (including attributes giving the values of

Re: [Ace] Update of access rights

2020-05-05 Thread Seitz Ludwig
Hello Francesca, I have not followed this discussion in detail so excuse me if I missed an important detail. That said: I cannot understand why you would want to negotiate a new context in step 8 by sending N1'? At that point you have a functional OSCORE context established and could just send

Re: [Ace] draft-ietf-ace-oauth-authz

2020-05-04 Thread Seitz Ludwig
Peter, Why not document what you invent in a draft? To me it would be a good starting point. /Ludwig From: Peter van der Stok Sent: den 4 maj 2020 09:15 To: Carsten Bormann Cc: Seitz Ludwig ; Jim Schaad ; peter van der Stok ; Ace Subject: Re: [Ace] draft-ietf-ace-oauth-authz Hi Carsten

Re: [Ace] draft-ietf-ace-oauth-authz

2020-05-04 Thread Seitz Ludwig
For the sake of getting the document finished before I die of old age ;-) would it be possible to specify this in a separate document? /Ludwig From: Ace On Behalf Of Peter van der Stok Sent: den 1 maj 2020 08:56 To: Jim Schaad Cc: consulta...@vanderstok.org; 'Ace' Subject: Re: [Ace]

[Ace] FW: New Version Notification for draft-ietf-ace-oauth-params-13.txt

2020-04-29 Thread Seitz Ludwig
Hello ACE, This update expands the first use of CoAP and CBOR (per request of a reviewer). /Ludwig -Original Message- From: internet-dra...@ietf.org Sent: den 29 april 2020 08:32 To: Seitz Ludwig Subject: New Version Notification for draft-ietf-ace-oauth-params-13.txt A new version

Re: [Ace] [Cwt-reg-review] [IANA #1158953] Requested review for IANA registration in draft-ietf-ace-oauth-authz (cwt - CBOR Web Token Claims)

2020-03-21 Thread Seitz Ludwig
I wonder if I need to make this change at all since the value is only suggested (and we now have a diverging decision by the designated experts). Can IANA clarify this for me? Thank you for your patience, Ludwig From: Seitz Ludwig Sent: den 21 mars 2020 11:26 To: Seitz Ludwig ; Mike Jo

Re: [Ace] [Cwt-reg-review] [IANA #1158953] Requested review for IANA registration in draft-ietf-ace-oauth-authz (cwt - CBOR Web Token Claims)

2020-03-21 Thread Seitz Ludwig
Hello all, soo From: Ace On Behalf Of Seitz Ludwig Sent: den 17 mars 2020 10:01 To: Mike Jones ; Chuck Mortimore ; hannes.tschofe...@arm.com Cc: chuck.mortim...@visa.com; ace@ietf.org; draft-ietf-ace-oauth-au...@ietf.org; drafts-expert-rev...@iana.org; cwt-reg-rev...@ietf.org Subject: Re

Re: [Ace] Using OAuth and ACE-OAuth with MQTT

2020-03-17 Thread Seitz Ludwig
I'm sorry if I'm being daft here, but what is the difference to https://tools.ietf.org/html/draft-ietf-ace-oauth-authz-33#section-8.5 ? /Ludwig -Original Message- From: Hannes Tschofenig Sent: den 17 mars 2020 12:38 To: Jim Schaad ; Seitz Ludwig Cc: 'Cigdem Sengul' ; 'Ace Wg

Re: [Ace] [Cwt-reg-review] [IANA #1158953] Requested review for IANA registration in draft-ietf-ace-oauth-authz (cwt - CBOR Web Token Claims)

2020-03-17 Thread Seitz Ludwig
with your decision, is that acceptable for you? /Ludwig From: Mike Jones Sent: den 16 mars 2020 19:43 To: Seitz Ludwig ; Chuck Mortimore ; hannes.tschofe...@arm.com Cc: drafts-expert-rev...@iana.org; cwt-reg-rev...@ietf.org; chuck.mortim...@visa.com; draft-ietf-ace-oauth-au...@ietf.org; ace

Re: [Ace] [Cwt-reg-review] [IANA #1158953] Requested review for IANA registration in draft-ietf-ace-oauth-authz (cwt - CBOR Web Token Claims)

2020-03-16 Thread Seitz Ludwig
Hi Mike, I will of course abide with a majority decision of the designated experts (note that I’m one of them too). I would therefore be very interested to hear Hannes take on this. Regards, Ludwig From: Mike Jones Sent: den 13 mars 2020 19:17 To: Seitz Ludwig ; Chuck Mortimore Cc: Ludwig

Re: [Ace] [EXTERNAL] Re: [Cwt-reg-review] [IANA #1158953] Requested review for IANA registration in draft-ietf-ace-oauth-authz (cwt - CBOR Web Token Claims)

2020-03-12 Thread Seitz Ludwig
Hello Mike, Chuck, Thank you for clarifying your assessment Mike, thank you Chuck for weighing in. Mike you say: “the scope claim is specific to the ACE OAuth protocol” This is not entirely correct, since the scope claim is defined in RFC 8693 for Token Exchange, which is not an ACE

[Ace] FW: New Version Notification for draft-ietf-ace-oauth-authz-33.txt

2020-02-06 Thread Seitz Ludwig
; Goeran Selander ; Samuel Erdtman ; Seitz Ludwig ; Erik Wahlstroem Subject: New Version Notification for draft-ietf-ace-oauth-authz-33.txt A new version of I-D, draft-ietf-ace-oauth-authz-33.txt has been successfully submitted by Ludwig Seitz and posted to the IETF repository. Name

[Ace] FW: New Version Notification for draft-ietf-ace-oauth-authz-30.txt

2020-01-11 Thread Seitz Ludwig
Hello ACE, This update fixes the review comments from the IANA designated expert Brian Campbell for the OAuth registries. /Ludwig -Original Message- From: internet-dra...@ietf.org Sent: den 11 januari 2020 17:20 To: Hannes Tschofenig ; Goeran Selander ; Samuel Erdtman ; Seitz

Re: [Ace] [Jwt-reg-review] Requested review for IANA registration in draft-ietf-ace-oauth-authz

2020-01-11 Thread Seitz Ludwig
Hello Brian, Thank you for this review! I have added text to clarify the formatting of these parameters and claims when used in JSON-based interactions. More comments inline. Regards, Ludwig From: Ace On Behalf Of Brian Campbell Sent: den 10 januari 2020 21:57 To: Ludwig Seitz Cc: Roman

[Ace] FW: New Version Notification for draft-ietf-ace-oauth-params-11.txt

2020-01-11 Thread Seitz Ludwig
Hello ACE this fixes the review comments by Brian Campbell, the designated expert from IANA for the OAuth and JWT registries. Regards, Ludwig -Original Message- From: internet-dra...@ietf.org Sent: den 11 januari 2020 16:37 To: Seitz Ludwig Subject: New Version Notification

Re: [Ace] Requested review for IANA registration in draft-ietf-ace-oauth-params

2020-01-11 Thread Seitz Ludwig
Hello Brian, Thank you for the re-review! Comments inline. I will be issuing a draft update soon-ish. /Ludwig From: Ace On Behalf Of Brian Campbell Sent: den 10 januari 2020 21:16 To: Ludwig Seitz Cc: Roman Danyliw ; oauth-ext-rev...@ietf.org; Daniel Migault ; Jim Schaad ; Benjamin Kaduk ;

Re: [Ace] Secdir review of draft-ietf-ace-oauth-params-06

2020-01-07 Thread Seitz Ludwig
Hello Charlie, Thank you for the review, sorry for the tardive reply (things got a bit chaotic due to an affiliation change on my part). The -10 version here: https://datatracker.ietf.org/doc/draft-ietf-ace-oauth-params addresses your comments given the additional explanations by Ben. Please

Re: [Ace] [Gen-art] Genart last call review of draft-ietf-ace-oauth-params-06

2019-12-22 Thread Seitz Ludwig
Hello Elwyn, Sorry for being a pain. I have one more comment. /Ludwig (now finally from the corporate account) From: elwynd Sent: den 22 december 2019 19:27 To: Ludwig Seitz ; Elwyn Davies ; gen-...@ietf.org Cc: last-c...@ietf.org; draft-ietf-ace-oauth-params@ietf.org; ace@ietf.org