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Re: Web Intents for local network services (DAP Action-510)

From: Giuseppe Pascale <giuseppep@opera.com>
Date: Fri, 01 Jun 2012 18:39:48 +0200
To: "public-web-intents@w3.org" <public-web-intents@w3.org>, "Nilsson, Claes1" <Claes1.Nilsson@sonymobile.com>
Message-ID: <op.we8gkmf76ugkrk@giuseppep-x220.oslo.osa>
I've only started now to look at the proposal but let me start by  
clarifying one thing

On Tue, 15 May 2012 17:41:35 +0200, Nilsson, Claes1  
<Claes1.Nilsson@sonymobile.com> wrote:

> I have also removed the slides on Web Intents discovery of services on  
> legacy UPnP devices as I assume this is covered by  
> http://www.w3.org/2009/dap/track/actions/511.
>

To be clear: I'm not going to work on this action because so far is still  
not clear to me where we are heading.
Furthermore, if we were to design a solution for "legacy" devices that  
will by design work with any device,
so I'm still not sure why we want to keep the 2 separate.

Most of the discovery part needs to be done inside the UA. By defining a  
new service (VS mapping well-known intents on well-known services) you are  
adding burden to implementers that needs to support both.
By further extending UPnP and mDNS you are adding yet another burden.

> We are also planning to make a proposal for mDNS.
>
What is the advantage in slightly changing existing protocols? And if you  
are extending them anyway (i.e. you cannot reuse existing  
devices/libraries as is) why not just picking one protocol?

/g

> Next step is to  make a Web Intents addendum specification according to   
> http://www.w3.org/2009/dap/track/actions/510.
>
> Best regards
>   Claes
>
> [cid:image001.gif@01CD32BB.48F373C0]
>
> Claes Nilsson M.Sc.E.E
> Master Engineer, Research
> Technology Research - Advanced Application Lab
>
> Sony Mobile Communications
>  Phone:  +46 10 80 15178
> Mobile: +46 705 56 68 78
> Switchboard: +46 10 80 00000
> E-Mail:  
> mailto:claes1.nilsson@sonymobile.com<mailto:claes1.nilsson@sonyericsson.com>
> Visiting Address; Nya Vattentornet
> SE-221 88 LUND,
> Sweden
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-- 
Giuseppe Pascale
TV & Connected Devices
Opera Software
Received on Friday, 1 June 2012 16:40:20 GMT

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