[Ecrit] ATOCA BOF Request Text
"Rosen, Brian" <Brian.Rosen@neustar.biz> Tue, 14 October 2008 18:47 UTC
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From: "Rosen, Brian" <Brian.Rosen@neustar.biz>
To: ECRIT <ecrit@ietf.org>
Subject: [Ecrit] ATOCA BOF Request Text
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ATOCA BOF Authority-to-Citizen Alert Mailing Lists: earlywarn@ietf.org BOF chairs: Brian Rosen [brian.rosen at neustar.biz] Steve Norreys [steve.norreys@bt.com] Temporary Area Directorate: Real Time Applications (RAI) Ultimate Area Directorate: TBD BOF Purpose. ecrit is working on citizen-to-authority calls. Alerts that are sent from "authorities" (which we define broadly to any level of authority, including, for example, a school administrator) to "citizen" (which we also define broadly to include visitors and other individuals and groups) are of great interest. Many efforts are underway in other fora, but all of them are stovepipes: limited by which authorities can invoke alerts as well as which networks they can be distributed on. What is needed is a more flexible way to deliver alerts from any notifier to any interested or affected individual, via any device connected to the Internet. This is a large problem: some alerts must be delivered to an enormous number of endpoints; a Tsunami warning may involve millions of devices eventually. A system which can deliver messages to billions of endpoints with one notification are obviously attractive attack targets. This is further complicated by the desire to accept notifications from a wide variety of notifiers, complicating authentication mechanisms that might be employed. The security implications of any solutions must be addressed as a intergral part of the solution from the very start of the work. Classic alert systems typically use layer 2 broadcast mechanisms and often use some kind of location as a criteria for who gets the alert. On the Internet, multicast mechanisms may be helpful, but the paucity of multicast deployment must be considered. Besides broadcast, which certainly is very appropriate, it is very useful to be able to subscribe to events for individuals who may not normally meet criteria for being included in a broadcast. For example, parents may wish to receive alerts that affect their children. An alert directed to anyone in the path of a hurricane may be broadcast, but the parent may need a subscription to get the same alert when they are not in the affected area. The content of an alert is also a significant challenge to Internet scale alerts. The alert must be rendered on a wide variety of devices with different user interface capabilities. Multiple languages have to be accomodated. Networks with limited bandwidth must be considered. Alert work is being done in many fora, and some is directly applicable to this work. For example, OASIS work on Common Alerting Protocol is likely part of the solution. It should also be recognised that this is an area of work that will be highly regulated and as such close work with the fora where regulators operate (e.g. ATIS, ETSI and ITU-T) may help with the deployment of any solutions. The purpose of the BOF is to determine the need and scope for authority to citizen alerts, what existing protocols and mechansims need to be adapted to meet those needs and the appropriate representation for alerts should be. This work could be accomplished within an expanded charter of ecrit, or a new work group could be formed. This work will leverage geopriv work on location. Proposed Deliverables: 1) Requirements for ATOCA . 2) An ATOCA Framework. 3) Various protocol and mechanism enhancements to meet the requirements identified Input Documents: 1) Requirements draft-norreys-ecrit-authority2individuals-requirements-01.txt _______________________________________________ Ecrit mailing list Ecrit@ietf.org https://www.ietf.org/mailman/listinfo/ecrit
- [Ecrit] ATOCA BOF Request Text Rosen, Brian
- Re: [Ecrit] ATOCA BOF Request Text Tschofenig, Hannes (NSN - FI/Espoo)
- Re: [Ecrit] ATOCA BOF Request Text Brian Rosen