Re: [earlywarning] [CAP] Definition of Warning Categories
"David Aylward \(Comcare\)" <daylward@comcare.org> Sun, 12 July 2009 20:41 UTC
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From: "David Aylward (Comcare)" <daylward@comcare.org>
To: 'Art Botterell' <acb@incident.com>, earlywarning@ietf.org, cap-list@incident.com
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Date: Sun, 12 Jul 2009 16:41:44 -0400
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Cc: Timothy Grapes <tgrapes@evotecinc.com>, ltincher@evotecinc.com
Subject: Re: [earlywarning] [CAP] Definition of Warning Categories
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Hannes: That is exactly what I was talking about, but CAP was not designed for that. It is a "broadcast to the world" standard. It is excellent for that purpose, but not for the more refined purpose you are pursuing. The OASIS EDXL Distribution Element was designed for exactly that purpose: machine to machine routing based on incident type, role and similar factors, and primarily as Art suggests in the "wholesale", inter-organization world. Organizations (and individuals connected to them) subscribe to "hear" about incident types within certain geographies. We have talked in the past, Hannes, about "core services", the purpose of them is to provision queries such as you suggest, and govern rights to send and receive such messages. Lots of work has been done on these ideas outside of the message-specific standards that they would enable. David K. Aylward, President COMCARE Emergency Response Technology Group 1351 Independence Court, SE Washington, DC 20003 202.255.3215 (mobile) 202.295.0136 (office) 202.521.4047 (fax) daylward@comcare.org This communication is intended for the use of the recipient to which it is addressed, and may contain confidential, personal and/or privileged information. Please contact us immediately if you are not the intended recipient of this communication, and do not copy, distribute, or take action relying on it. Any communication received in error, or subsequent reply, should be deleted or destroyed. -----Original Message----- From: cap-list-bounces@lists.incident.com [mailto:cap-list-bounces@lists.incident.com] On Behalf Of Art Botterell Sent: Sunday, July 12, 2009 3:23 PM To: earlywarning@ietf.org; cap-list@incident.com Subject: Re: [CAP] Definition of Warning Categories I'm wondering whether it might be simpler, at least in the near term, to let consumers subscribe to selected sources rather than to topical categories. That pushes the question of message authoritativeness / jurisdiction /credibility out of the CAP infrastructure and into the larger field of inter-agency and inter-jurisidictional coordination, where it more properly belongs. Taxonomies tend to be culturally loaded and can never be guaranteed to be complete. Thus there's a real risk of "categorical disconnects" leading to missed alerts either because of differing interpretations of categories or of unforeseen events that don't fit our preconceived categories. Maybe someday we'll have a reliable taxonomy of the unexpected, but right now a degree of deliberate imprecision seems to be the best we can do... and I sometimes wonder whether even that is more helpful than it is risky. - Art On Jul 12, 2009, at 7/12/09 11:58 AM, Hannes Tschofenig wrote: > I should provide a bit more feedback about the background to my > question. > > If you only set the value in the category field for the purpose of > human > consumption then there is not really an interoperability issue. > > Now, with the work on http://tools.ietf.org/html/draft-rosen-sipping-cap-03 > we wanted to define an event package for SIP that allows you to > "subscribe" > to certain type of events: you might indicate something like > location and > the type of events you are interested in. > > Now, the semantic of the category field suddently matters. With the > individuals-to-citizen emergency services we tried to come up with a > description of the emergency services categories, see RFC 5031. > > Ciao > Hannes _______________________________________________ This list is for public discussion of the Common Alerting Protocol. This list is NOT part of the formal record of the OASIS Emergency Management TC. Comments for the OASIS record should be posted using the form at http://www.oasis-open.org/committees/comments/form.php?wg_abbrev=emergency CAP-list mailing list CAP-list@lists.incident.com http://lists.incident.com/mailman/listinfo/cap-list This list is not for announcements, advertising or advocacy of any particular program or product other than the CAP itself.
- Re: [earlywarning] [CAP] Definition of Warning Ca… Tony Rutkowski
- [earlywarning] Definition of Warning Categories Hannes Tschofenig
- Re: [earlywarning] [CAP] Definition of Warning Ca… Art Botterell
- Re: [earlywarning] [CAP] Definition of Warning Ca… Art Botterell
- Re: [earlywarning] [CAP] Definition of Warning Ca… Hannes Tschofenig
- Re: [earlywarning] [CAP] Definition of Warning Ca… Hannes Tschofenig
- Re: [earlywarning] [CAP] Definition of Warning Ca… David Aylward (Comcare)
- Re: [earlywarning] [CAP] Definition of Warning Ca… Art Botterell
- Re: [earlywarning] [CAP] Definition of Warning Ca… Henning Schulzrinne
- Re: [earlywarning] [CAP] Definition of Warning Ca… David Aylward (Comcare)
- Re: [earlywarning] [CAP] Definition of Warning Ca… David Aylward (Comcare)
- Re: [earlywarning] [CAP] Definition of Warning Ca… James M. Polk
- Re: [earlywarning] [CAP] Definition of Warning Ca… David Aylward (Comcare)
- Re: [earlywarning] [CAP] Definition of Warning Ca… DRAGE, Keith (Keith)
- Re: [earlywarning] [CAP] Definition of Warning Ca… Tony Rutkowski
- Re: [earlywarning] [CAP] Definition of Warning Ca… Hannes Tschofenig
- Re: [earlywarning] [CAP] Definition of Warning Ca… Tony Rutkowski
- Re: [earlywarning] [CAP] Definition of Warning Ca… Hannes Tschofenig
- Re: [earlywarning] [CAP] Definition of Warning Ca… creed
- Re: [earlywarning] [CAP] Definition of Warning Ca… Art Botterell
- Re: [earlywarning] [CAP] Definition of Warning Ca… Art Botterell
- Re: [earlywarning] [CAP] Definition of Warning Ca… Hannes Tschofenig
- Re: [earlywarning] [CAP] Definition of Warning Ca… Hannes Tschofenig
- Re: [earlywarning] [CAP] Definition of Warning Ca… Timothy Grapes
- Re: [earlywarning] [CAP] Definition of Warning Ca… Rex Buddenberg
- Re: [earlywarning] [CAP] Definition of Warning Ca… Rex Buddenberg
- Re: [earlywarning] [CAP] Definition of Warning Ca… Tony Rutkowski
- Re: [earlywarning] [CAP] Definition of Warning Ca… Brian Rosen
- Re: [earlywarning] [CAP] Definition of Warning Ca… Timothy Grapes