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Re: Offline operation of a Web application

From: Mark Nottingham <mnot@mnot.net>
Date: Wed, 3 Jan 2007 22:18:15 +1100
Message-Id: <84054182-E4A3-40D7-BB54-535A0ECBDBAF@mnot.net>
Cc: www-tag@w3.org
To: Ken Laskey <klaskey@mitre.org>

Hi Ken,

The Web API WG charter <http://www.w3.org/2006/webapi/admin/charter>  
includes;

> An API specification for persistent storage on the client.
> This deliverable allows the Web application to store information  
> such as user preferences in a protected area on the client machine.  
> The storage system should have limited capacity and must have a  
> clear security model. This facilitates more advanced Web  
> applications, enabling them to store user preferences and possibly  
> work in an offline environment, such as a laptop or mobile phone  
> with intermittent connectivity.
> Tentative milestones: First draft of specification 1st quarter  
> 2006. Candidate Recommendation 1st quarter of 2007.
Personally, I'd like to see this described as part of the Web; e.g.,  
as an extension of the caching model, with URIs for the persisted  
data, rather than making it "just" an API. I've sort-of volunteered  
to do some work in this area, but have a lot of other things going  
on, unfortunately...

You might want to ask the WG if they've made any progress on this.

Cheers,



On 2006/12/19, at 12:53 PM, Ken Laskey wrote:

> The question below made its way to me and it seems to have  
> significant architectural implications, so I'm looking to see if it  
> is/has been considered by the TAG or others at W3C.  In particular,  
> has disconnected operations
>
> 1. come up in TAG discussions?
>
> 2. been addressed in other W3C work, for example with the mobile Web?
>
> TIA,
>
> Ken
>
> Begin forwarded message:
>
>> From: "Winkowski, Dan" <winkowsk@mitre.org>
>> Date: December 18, 2006 3:56:23 PM EST
>> To: "McCall, Bede B." <bede@mitre.org>, "Laskey, Ken"  
>> <klaskey@mitre.org>
>> Cc: "Bryson, Dave" <dbryson@mitre.org>
>> Subject: RE: Offline operation of a Web application
>>
>> I recall some traffic about the W3C looking at off-line web  
>> application
>> issues. Does this ring any bells with you?
>>
>> - Dan
>>
>> -----Original Message-----
>> From: Bryson, Dave
>> Sent: Monday, December 18, 2006 10:31 AM
>> To: Winkowski, Dan; Gunn, Kevin M.; Silvey, Paul E.; Sleeper,  
>> Harry A.
>> Subject: Offline operation of a Web application
>>
>> All...I wanted to ping this idea off of you for your general  
>> opinion and
>> to see if you know of any sponsors that may be interested in  
>> something
>> like this:
>>
>> As more and more applications move to a Web based interface, how  
>> do they
>> deal with offline operations on networks with intermittent  
>> connections?
>> This is a problem I've been thinking about for a while:
>> http://blogs.mitre.org/blogs/permalink.cfm? 
>> username=ImaginationLab&id=81
>> 46 - Essentially the capability to work with a web app "offline" and
>> re-synch the data when a connection is restored
>>
>> Recently we've seen some evidence of offline use in commercial apps:
>> http://iscrybe.com/main/index.php and there's some bits and pieces of
>> information around the internet.  What I want to do is go after a
>> prototyping grant to build a simple demo that not only shows it in
>> action, but also identifies/documents  what it takes to make it work,
>> along with its feasibility in the context of our sponsors. I believe
>> this is capability that can be very useful to our customers.
>>
>> Any thoughts or pointers are greatly appreciated!!
>>
>> Thanks!
>> Dave
>>
>> Dave Bryson
>> http://rubyandrails.mitre.org
>
> ---------------------------------------------------------------------- 
> --------------------
> Ken Laskey
> MITRE Corporation, M/S H305     phone:  703-983-7934
> 7515 Colshire Drive                        fax:        703-983-1379
> McLean VA 22102-7508
>
>
>
>


--
Mark Nottingham     http://www.mnot.net/
Received on Wednesday, 3 January 2007 11:18:35 UTC

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