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Re: The Two Way Web

From: Paul Sandoz <Paul.Sandoz@Ireland.Sun.COM>
Date: Fri, 24 Mar 2000 18:29:23 +0000 (GMT)
Message-Id: <200003241829.SAA21311@ireserver.Ireland.Sun.COM>
To: xml-dist-app@w3.org

>> Perhaps this is something of a tangent, but I've been impressed by the way
>> some relatively old ideas in this space (Linda systems) have been
>> re-presented in a simple, more developer friendly manner. I'm thinking of
>> Sun's Javaspaces/Jini work and the TSpaces system from IBM, though there
>> are other manifestations around.
>Hmm..interesting idea.  One could conceptually model HTTP as being sort
>of like a space based system.  But lack of transaction support, the
>read-only tendancy of the web, and the representative state transfer
>would make the mapping rather ugly.  Then again, I've got no problem
>with replacing HTTP with a linda-spaces type system :P
>Has anyone done a spaces type system using only HTTP and XML yet? 
>That'd be a fun little project...
	IBM have talked about it in this paper:
	They have been using their TSpaces server and an XML
	description called MoDAL in their concept of
	a Universal Information Appliance (UIA).
	XML is sent to/from the UIA device and the TSpaces
	In the paper it says:
	'future versions of the UIA may communicate with TSpaces
	 over HyperText Transmission Protocol (HTTP), via a Web
	 server, using a transcoding proxy such as WBI'
	'Universal communication protocol--The UIA and application
	 services, like active calendar, require a universal protocol
	 to communicate with TSpaces. HTTP is a possible choice for
	 several reasons. Most TSpaces clients can conveniently execute
	 a Web server, URL-based locators provide a natural global naming 
	 scheme, and HTTP is a simple and widely used protocol for 
	 markup-language communications, such as MoDAL programs and XML
	 action interfaces.'


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   Paul Sandoz
Received on Friday, 24 March 2000 14:14:08 UTC

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