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Re: New draft of Coremob-2012 published, plus what's next

From: Robert Shilston <robert.shilston@ft.com>
Date: Thu, 3 Jan 2013 16:58:29 +0000
Cc: public-coremob@w3.org, Hidetoshi Yokota <yokota@kddilabs.jp>
Message-Id: <2E9A43C2-E956-41B2-BF8C-74D58C7E3831@ft.com>
To: Mounir Lamouri <mounir@lamouri.fr>


On 2 Jan 2013, at 16:24, Mounir Lamouri wrote:

> On 29/12/12 09:50, Hidetoshi Yokota wrote:
>>> From the above observation, is it possible to add a new requirement like
>> below at this point in time?
>> 
>> Req.X: User Agent SHOULD be able to obtain the information of the
>> network, to which it attaches (e.g., connectivity or nominal capability)
>> and it is RECOMMENDED to select an appropriate network when available.
>> 
>> Related WGs: Device APIs WG, System Applications WG
>> 
>> Please enlighten me if this kind of discussion has already been done and
>> concluded.
> 
> This has been discussed in DAP and there are privacy and fingerprinting
> concerns. Given DAP is focusing on the browser scope and it is too scary
> to provide such an API to all contents, it might be possible to have
> this done in SysApps but it will very likely be behind some kind of
> permission.
> 
> Cheers,
> --
> Mounir
> 


I feel that the network information, whilst it could be made available, is sufficiently likely to be misleading as to be unwise to be used by developers.  The only way to establish the connection quality is to connect to the server you want to speak to.  We've written more about the challenges of network state information at http://labs.ft.com/2012/08/navigator-online-here-be-dragons/

Rob

-- 
Dr Robert Shilston [07940 387593 | skype:rtshilston | @rtshilston]
Director, FT Labs [labs.ft.com | 0870 085 2038 | @ftlabs]




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