Re: [earlywarning] Commentson draft-schulzrinne-atoca-requirements-00
"Carl Reed" <creed@opengeospatial.org> Tue, 20 July 2010 20:33 UTC
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From: Carl Reed <creed@opengeospatial.org>
To: Hannes Tschofenig <Hannes.Tschofenig@gmx.net>, trutkowski@netmagic.com
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Cc: "Tschofenig, Hannes (NSN - FI/Espoo)" <hannes.tschofenig@nsn.com>, earlywarning@ietf.org
Subject: Re: [earlywarning] Commentson draft-schulzrinne-atoca-requirements-00
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Correct - CAP is a payload and is (theoretically) transport agnostic. FYI, CAP 2.0 will incorporate a GML profile that will include the same geometry types (plus additional ones) as the LO GML Geoshape Application Schema. The only issue is that the OASIS GML "where" profile will use GML 3.2.1 to be consistent with the ISO version of GML and the LO Geoshape schema uses GML 3.1.1. Cheers Carl an OASIS CAP contributor ----- Original Message ----- From: Hannes Tschofenig To: trutkowski@netmagic.com Cc: earlywarning@ietf.org ; Tschofenig,Hannes (NSN - FI/Espoo) Sent: Tuesday, July 20, 2010 12:33 PM Subject: Re: [earlywarning] Commentson draft-schulzrinne-atoca-requirements-00 Hi Tony, thanks for pointing to the CAP Implementer's workshop and in particular the "Draft Implementors Note on Harmonizing Certain Identifiers in CAP Implementations" http://www.wmo.int/pages/prog/www/ISS/Meetings/WIS-CAP_Geneva2009/DraftNote.doc. My understanding of that document (and my participation at an earlier workshop) is there is room for improvement in the CAP specification from an interoperability point of view. Since the work in this group only focuses on the transport of alerts rather than the actual content of the alerts we should not be impacted. Ciao Hannes On 16.07.2010 13:05, Tony Rutkowski wrote: Hi Martin, You might also consider the concepts on architecture and identity constructs that emerged from last year's global gathering of emergency messaging authorities convened at the World Meteorological Organization. http://www.wmo.int/pages/prog/www/ISS/Meetings/WIS-CAP_Geneva2009/DocPlan.html See especially the Draft Implementors Note. best, tony I'm currently unsure about the value of this document. The different components of the document are somewhat disjointed: problem statement, architectural model, and requirements don't support each other particularly well. General Comments: This model presented in this document is highly abstract. Without a more concrete relationship with the requirements, it's hard to understand the value of the model. Section 3 looks too much like a copy-and-paste from the email architecture. A simpler model might be a better starting point: author [1..*] -> [1] aggregator [1] -> [1..*] recipient Such a model can be evolved to involve relays or mediators by overlapping and chaining roles, just as we do for the GEOPRIV model. Nothing wrong with giving these entities names and descriptions, but they can form part of a second architectural layer. _______________________________________________ earlywarning mailing list earlywarning@ietf.org https://www.ietf.org/mailman/listinfo/earlywarning ------------------------------------------------------------------------------ _______________________________________________ earlywarning mailing list earlywarning@ietf.org https://www.ietf.org/mailman/listinfo/earlywarning
- [earlywarning] Comments on draft-schulzrinne-atoc… Thomson, Martin
- Re: [earlywarning] Comments on draft-schulzrinne-… Tony Rutkowski
- Re: [earlywarning] Comments on draft-schulzrinne-… Hannes Tschofenig
- Re: [earlywarning] Comments on draft-schulzrinne-… Brian Rosen
- Re: [earlywarning] Comments on draft-schulzrinne-… Hannes Tschofenig
- Re: [earlywarning] Comments on draft-schulzrinne-… Tony Rutkowski
- Re: [earlywarning] Comments on draft-schulzrinne-… Hannes Tschofenig
- Re: [earlywarning] Commentson draft-schulzrinne-a… Carl Reed
- Re: [earlywarning] Commentson draft-schulzrinne-a… Hannes Tschofenig
- Re: [earlywarning] Comments on draft-schulzrinne-… Thomson, Martin
- Re: [earlywarning] Comments on draft-schulzrinne-… Thomson, Martin
- Re: [earlywarning] Comments on draft-schulzrinne-… Hannes Tschofenig
- Re: [earlywarning] Comments on draft-schulzrinne-… Hannes Tschofenig
- Re: [earlywarning] Commentson draft-schulzrinne-a… Carl Reed
- Re: [earlywarning] Comments on draft-schulzrinne-… Thomson, Martin
- Re: [earlywarning] Comments on draft-schulzrinne-… Brian Rosen