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Subject: RE: XML and ASP
From: "Vun Kannon, David" <dvunkannon@xxxxxxxx>
Date: Tue, 18 May 1999 17:25:06 -0400
asp response.xml
We have found no difficulty in pursuing the implementation of large (three
tier) applications, which use XML vocabularies for message passing
throughout, without recourse to  applications doing the equivalent of 
	theXML = "<tag>" + myContent + "</tag>"
Every XML document is built via the DOM API or a stylesheet.
We do use XML texts during use case definition as a way of establishing a
"service level agreement" between the developers of the different tiers.
Both development teams sign off on "request.xml will elicit response.xml"
with explicit examples. This decouples the teams, allowing them to work
independently, secure in the knowledge that they need only produce the
agreed upon structures.
David vun Kannon
Manager, Financial Services Consulting
> -----Original Message-----
> From:	Michael.Orr@xxxxxxxxxxxxxxxxxxxxxxx
> [SMTP:Michael.Orr@xxxxxxxxxxxxxxxxxxxxxxx]
> Sent:	Friday, May 14, 1999 4:21 PM
> To:	xsl-list@xxxxxxxxxxxxxxxx
> Subject:	RE: XML and ASP
> > -----Original Message-----
> > From: Vun Kannon, David [mailto:dvunkannon@xxxxxxxx]
> > Subject: RE: XML and ASP
> > 
> > 	I think that both XML to the browser and XML to a file should be
> > handled the same way, build the XML with DOM API calls. When 
> > the document is
> > finished, serialise to the string representation and write 
> > that in one call.
> > 	One of the global messages of XML is the separation of 
> > structure and
> > presentation. Within the XML development community, we have 
> > to remember that
> > the application of that rule to XML itself is that the 
> > structure is really
> > this abstract tree (grove) of nodes. We should operate on 
> > that abstract
> > structure via an API or stylesheet. We should avoid operating on the
> > _presentation_ of that structure as a serialised string. 
> This is an important and, in my opinion, well-founded position. However:
> it's premature to approach development this way today, is it not? 
> The XML specification, which defines a text-based markup language, is the
> only available basis for portable and evolvable implementation.
> Considering
> a markup text to be a serialization of a more fundamental information
> structure is for now purely hypothetical, as reflected pragmatically in
> the
> fact that current DOM implementations don't conform to a standardized node
> and property structure. The object models they construct over a document
> can
> reflect essentially different interpretations of the same markup. 
> I believe the view you're advocating will be reducible to practice only
> with
> the definition of a common underlying information structure. W3C has
> wisely
> dedicated a Working Group -- the Information Set WG, chaired by David
> Megginson -- to this purpose. But the task is very large and requirements
> have only been codified since February; see the Technical Note at
> http://www.w3.org/TR/NOTE-xml-infoset-req.html. 
> Regards,
> Mike
> ----------------------------------------
> Michael Orr, CTO, VP R&D
> Design Intelligence Inc, Seattle WA USA
> http://www.design-intelligence.com
> phone:206-718-2103  fax:206-343-7750
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