Re: [earlywarning] What problem is ATOCA trying to address?

As it happens, our local police department uses Twitter for alerts: see

http://twitter.com/leoniapd

Works quite well.

On Mar 26, 2010, at 12:36 PM, Art Botterell wrote:

> On Mar 26, 2010, at 3/26/10 9:14 AM, Henning Schulzrinne wrote:
>> And to bore everyone again with the same thing: In many cases, notifications are routinely sent to people outside a specific area or beyond a single network.
> 
> Which is why I thought it might be useful to reflect on WHY, after all these years, IP multicast has such limited scope, and on whether similar constraints might apply here.
> 
> Meanwhile, unicast approaches like Twitter rarely try to reach everyone on a particular local network, and they don't have any strict constraints on latency or even reliability, so I'd be cautious about assuming their suitability in emulation of a multicasting function.  Anyone who's ever tried to text on New Year's Eve or Mother's Day should be able to relate.
> 
> - Art
> _______________________________________________
> earlywarning mailing list
> earlywarning@ietf.org
> https://www.ietf.org/mailman/listinfo/earlywarning
> 