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Re: SOA and the Single URL

• To: Rich Salz <rsalz@d...>
• Subject: Re: SOA and the Single URL
• From: Mark Baker <distobj@a...>
• Date: Thu, 4 Aug 2005 20:09:02 -0400
• Cc: Chiusano Joseph <chiusano_joseph@b...>,"Bullard, Claude L (Len)" <len.bullard@i...>,xml-dev@l...
• In-reply-to: <42F24615.5060502@d...>
• References: <74B14CBC0FEB9D4EB16969F09FA51F4576D316@M...> <42F24615.5060502@d...>
• User-agent: Mutt/1.5.6+20040907i

On Thu, Aug 04, 2005 at 12:45:09PM -0400, Rich Salz wrote:
> There is another way to look at it.  The message is routed based on its 
> contents; the URL is just the "main entrance," through which all 
> messages have to come in.  The contents of the message itself let the 
> receiver determine where, internally, the message should be processed.
> 
> I wouldn't exactly call that a service since it's usually invisible to 
> sender and ultimate receiver.

Careful!  The "Ultimate receiver" (in SOAP speak) in that case *is*
the recipient of the message, identified by the URI, since it terminates
the message.  If it chooses to pass the data it receives along to some
other service, it needs a whole new SOAP message to do so.

IMO, it's most definitely a service.  In fact, all RESTful services
which accept documents work this way; document-in, (optional)
document-out.

Cheers,

Mark.
-- 
Mark Baker.  Ottawa, Ontario, CANADA.          http://www.markbaker.ca
Coactus; Web-inspired integration strategies   http://www.coactus.com

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