Re: [Ecrit] New Version Notification for draft-gundavelli-dispatch-e911-wifi-01.txt

Brian Rosen <br@brianrosen.net> Thu, 07 September 2023 19:43 UTC

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From: Brian Rosen <br@brianrosen.net>
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Date: Thu, 07 Sep 2023 15:42:46 -0400
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Cc: "Sri Gundavelli (sgundave)" <sgundave=40cisco.com@dmarc.ietf.org>, ECRIT <ecrit@ietf.org>
To: "Murray S. Kucherawy" <superuser@gmail.com>
References: <168899767038.47659.547020390679173510@ietfa.amsl.com> <EFF12B36-1397-42C9-8080-1724725D8371@cisco.com> <9AB60C40-8EAB-4860-AE01-531AEDCAEF4A@cisco.com> <CE10DBC6-69AB-4354-AD39-6FB0AFC5C285@cisco.com> <CAL0qLwZKc9OesgzuRd=UtMKqYEzL+gfYyKSw1AKDn=Vwd2kkwg@mail.gmail.com>
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Subject: Re: [Ecrit] New Version Notification for draft-gundavelli-dispatch-e911-wifi-01.txt
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I don’t have any further review comments, but it needs A LOT more work to progress.  I’ve discussed issues with Sri off line and committed to review and assist with making it work from the emergency call side if it progresses,

I personally don’t know how useful the idea is.  I can’t get my head around how the pieces would come together.  The document and the authors seem to waffle on exactly who is providing the SIP call interface.  If it’s a 3rd party IMS network authorized by a regulator to provide this service (under some unknown compensation scheme), which seems to be at least part of the idea, then the client is a 3GPP compatible device, and it needs an eSIM or something like it so it can roam to this emergency IMS network.  I think in fact it would require code changes in the device to make that really only work if you tried to place an emergency call, but maybe not. While I kind of see how that might work, I fail to see a real deployment path.  If some other entity provides the SIP proxy server then there is a whole lot of unspecified mechanism but maybe that is more deployable.

However, if it progresses, ecrit would be the place to do it for sure, and I think it’s within our charter.   If not quite, I’m sure some very small change could accomodate it.

Brian


> On Sep 7, 2023, at 12:29 PM, Murray S. Kucherawy <superuser@gmail.com> wrote:
> 
> ECRIT WG,
> 
> There's been no further feedback on this document.  There was quite a bit that got it from -00 to -01, but nothing since.  So I have two questions:
> 
> (1) Are there any further review comments on the document irrespective of its status; and
> 
> (2) Is this work ECRIT sees as being within its charter, or near enough that we should consider a charter adjustment to accommodate it?  If not, are there any suggestions about where and how this should be processed?
> 
> -MSK, ART AD
> 
> On Tue, Jul 18, 2023 at 12:37 PM Sri Gundavelli (sgundave) <sgundave=40cisco.com@dmarc.ietf.org <mailto:40cisco.com@dmarc.ietf.org>> wrote:
>> Appreciate any other feedback on this document.
>> 
>> https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt
>> 
>> Regards
>> Sri
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>> 
>> On 7/10/23, 7:55 AM, "Sri Gundavelli (sgundave)" <sgundave@cisco.com <mailto:sgundave@cisco.com> <mailto:sgundave@cisco.com <mailto:sgundave@cisco.com>>> wrote:
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>> Dear All,
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>> We have revised the draft based on all the feedback received from Brian, Dale, Roland, Christer and others. I still have to change the filename to make it not specific to one regulatory domain, but its reflected in the text. I will request the IETF secretary to change the filename. Please review and provide any feedback. Appreciated!
>> 
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>> https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt <https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt> 
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>> Regards
>> Sri
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>> On 7/10/23, 7:01 AM, "internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>>> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>>>>" <internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>>> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org> <mailto:internet-drafts@ietf.org <mailto:internet-drafts@ietf.org>>>>> wrote:
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>> A new version of I-D, draft-gundavelli-dispatch-e911-wifi-01.txt
>> has been successfully submitted by Sri Gundavelli and posted to the
>> IETF repository.
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>> Name: draft-gundavelli-dispatch-e911-wifi
>> Revision: 01
>> Title: Emergency Communication Services over Wi-Fi Access Networks
>> Document date: 2023-07-10
>> Group: Individual Submission
>> Pages: 21
>> URL: https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt <https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt> <https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt> <https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt&gt;> <https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt> <https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt&gt;> <https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt&gt;> <https://www.ietf.org/archive/id/draft-gundavelli-dispatch-e911-wifi-01.txt&amp;gt;&gt;>
>> Status: https://datatracker.ietf.org/doc/draft-gundavelli-dispatch-e911-wifi/ <https://datatracker.ietf.org/doc/draft-gundavelli-dispatch-e911-wifi/> <https://datatracker.ietf.org/doc/draft-gundavelli-dispatch-e911-wifi/> <https://datatracker.ietf.org/doc/draft-gundavelli-dispatch-e911-wifi/&gt;> <https://datatracker.ietf.org/doc/draft-gundavelli-dispatch-e911-wifi/> <https://datatracker.ietf.org/doc/draft-gundavelli-dispatch-e911-wifi/&gt;> <https://datatracker.ietf.org/doc/draft-gundavelli-dispatch-e911-wifi/&gt;> <https://datatracker.ietf.org/doc/draft-gundavelli-dispatch-e911-wifi/&amp;gt;&gt;>
>> Htmlized: https://datatracker.ietf.org/doc/html/draft-gundavelli-dispatch-e911-wifi <https://datatracker.ietf.org/doc/html/draft-gundavelli-dispatch-e911-wifi> <https://datatracker.ietf.org/doc/html/draft-gundavelli-dispatch-e911-wifi> <https://datatracker.ietf.org/doc/html/draft-gundavelli-dispatch-e911-wifi&gt;> <https://datatracker.ietf.org/doc/html/draft-gundavelli-dispatch-e911-wifi> <https://datatracker.ietf.org/doc/html/draft-gundavelli-dispatch-e911-wifi&gt;> <https://datatracker.ietf.org/doc/html/draft-gundavelli-dispatch-e911-wifi&gt;> <https://datatracker.ietf.org/doc/html/draft-gundavelli-dispatch-e911-wifi&amp;gt;&gt;>
>> Diff: https://author-tools.ietf.org/iddiff?url2=draft-gundavelli-dispatch-e911-wifi-01 <https://author-tools.ietf.org/iddiff?url2=draft-gundavelli-dispatch-e911-wifi-01> <https://author-tools.ietf.org/iddiff?url2=draft-gundavelli-dispatch-e911-wifi-01> <https://author-tools.ietf.org/iddiff?url2=draft-gundavelli-dispatch-e911-wifi-01&gt;> <https://author-tools.ietf.org/iddiff?url2=draft-gundavelli-dispatch-e911-wifi-01> <https://author-tools.ietf.org/iddiff?url2=draft-gundavelli-dispatch-e911-wifi-01&gt;> <https://author-tools.ietf.org/iddiff?url2=draft-gundavelli-dispatch-e911-wifi-01&gt;> <https://author-tools.ietf.org/iddiff?url2=draft-gundavelli-dispatch-e911-wifi-01&amp;gt;&gt;>
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>> Abstract:
>> This document introduces an approach to enable emergency services
>> over Wi-Fi access networks. These services encompass emergency
>> services such as 911 in North America, 112 in the European Union, and
>> equivalent emergency services in other regulatory domains. The
>> proposed approach aims to provide a comprehensive solution for
>> supporting emergency communication across different regions and
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>> Leveraging the legal framework and infrastructure of the OpenRoaming
>> federation, this proposal aims to extend emergency calling
>> capabilities to the vast number of OpenRoaming Wi-Fi hotspots that
>> have already been deployed.
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>> The approach addresses critical challenges related to emergency
>> calling, including discovery and authentication procedures for
>> accessing networks that support emergency services, emergency access
>> credentials, the configuration of emergency voice services, accurate
>> location determination of the emergency caller, and call spofing.
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>> By providing a comprehensive solution, this proposal ensures that
>> emergency communication services can be seamlessly and effectively
>> supported within the IEEE 802.11-based Wi-Fi ecosystem leveraging
>> Passpoint Profiles.
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>> The IETF Secretariat
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>> _______________________________________________
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>> Ecrit@ietf.org <mailto:Ecrit@ietf.org>
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