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Re: [discovery] Adding CORS to NSD API - proposal and issues

From: Jean-Claude Dufourd <jean-claude.dufourd@telecom-paristech.fr>
Date: Fri, 04 Oct 2013 14:32:58 +0200
Message-ID: <524EB57A.8060706@telecom-paristech.fr>
To: public-device-apis@w3.org
Le 4/10/13 13:17 , Giuseppe Pascale a écrit :
> On Thu, Oct 3, 2013 at 3:11 PM, Jean-Claude Dufourd 
> <jean-claude.dufourd@telecom-paristech.fr 
> <mailto:jean-claude.dufourd@telecom-paristech.fr>> wrote:
>     JCD: If NSD requires modifications to SSDP, it will work with 0
>     devices at the beginning.
> But if implementers refuse to implement NSD spec as is, we will never 
> be able to discover ANY type of device.
> So regardless of people preferences, we need to be pragmatic.
JCD: I am very pragmatic: I have an implementation of NSD that works 
without being implemented in browsers.
But you do not seem to be pragmatic: if you implement NSD in Opera and 
it works with 0 devices, who is going to use it ?

There are multiple contradicting constraints here, but you are caught in 
them just like I am.

> As discussed in the other thread, we need to go for a default 
> implementation that is strict even though this means not supporting 
> legacy devices. We can imagine UA to hide behind a user setting the 
> ability to expose also legacy devices, but that would be a second step.
> Of course use of NSD API in context where security is guaranteed in 
> some other way (app stores?) could be not restricted in the same way,
>     This is a sure way to have a standard that will not be used.
> I don't see how a standard that browser implementers refuse to 
> implement is ever going to be useful.
JCD: I do not see how a standard that works with no devices is ever 
going to be useful.
Best regards

Télécom ParisTech <http://www.telecom-paristech.fr> 	*Jean-Claude 
DUFOURD <http://jcdufourd.wp.mines-telecom.fr>*
Directeur d'études
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Received on Friday, 4 October 2013 12:33:30 UTC

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