Re: [earlywarning] (no subject)

"Winterbottom, James" <James.Winterbottom@andrew.com> Fri, 26 March 2010 01:52 UTC

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From: "Winterbottom, James" <James.Winterbottom@andrew.com>
To: Art Botterell <acb@incident.com>, "earlywarning@ietf.org" <earlywarning@ietf.org>
Date: Fri, 26 Mar 2010 09:52:12 +0800
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Subject: Re: [earlywarning] (no subject)
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That is a nice function.
If the device is using both mechanisms though, because it has both access technologies won't it still receive both messages, even if it only reports the first one to the user of the device?

Cheers
James


> -----Original Message-----
> From: earlywarning-bounces@ietf.org [mailto:earlywarning-bounces@ietf.org]
> On Behalf Of Art Botterell
> Sent: Friday, 26 March 2010 12:50 PM
> To: earlywarning@ietf.org
> Subject: Re: [earlywarning] (no subject)
> 
> On Mar 25, 2010, at 3/25/10 6:40 PM, Winterbottom, James wrote:
> > ...it is quite possible that alerts could be received by either or both
> means at the same time.
> 
> FWIW that problem already arises in a variety of transport domains, so CAP
> addresses it at the application level.  Alerts have unique identifiers for
> that purpose, and also to allow the mapping of subsequent update and
> cancellation messages.
> 
> - Art
> 
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