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Re: Visibility (was Re: Introducing the Service Oriented Architec tural style, and it's constraints and properties.

From: Mark Baker <distobj@acm.org>
Date: Tue, 25 Feb 2003 08:12:15 -0500
To: David Orchard <dorchard@bea.com>
Cc: "'Champion, Mike'" <Mike.Champion@SoftwareAG-USA.com>, www-ws-arch@w3.org
Message-ID: <20030225081215.C18728@www.markbaker.ca>

On Mon, Feb 24, 2003 at 10:51:52PM -0800, David Orchard wrote:
> Mike, I agree with you.  I believe that the statement should read "can be
> less simple to configure and degrade network and perceived performance".
> This focuses the issue on simplicity and performance impacts of visibility.
> As an example of the XPath usage, instead of cache "GET on URI X", it's
> cache on "XYZ on URI X with XPath Foo=true".  Obviously this won't work if
> the message is encrypted.  I think the trade-off is clear.  Caching of just
> a URI is simpler than with XPath, but certainly not insurmountable.

Fair enough.  But do you agree with Mike that visibility is *improved*
by the SOA style, or not?  You previously claimed it was reduced.

Mark Baker.   Ottawa, Ontario, CANADA.        http://www.markbaker.ca
Web architecture consulting, technical reports, evaluation & analysis
Received on Tuesday, 25 February 2003 08:11:48 UTC

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