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RE: Web Services/SOA (was RE: XML 2004 weblog items?

• To: "Mark Baker" <distobj@a...>, "Rich Salz" <rsalz@d...>
• Subject: RE: Web Services/SOA (was RE: XML 2004 weblog items?)
• From: "Chiusano Joseph" <chiusano_joseph@b...>
• Date: Tue, 30 Nov 2004 07:19:45 -0500
• Cc: <xml-dev@l...>
• Thread-index: AcTWn8HvtLldbDqgQ8C10cvutM7cLgANnlsg
• Thread-topic: Web Services/SOA (was RE: XML 2004 weblog items?)

One can also map CORBA to Web Services - in Eric Newcomer's Intro to Web
Services book he discusses a mapping that I roughly recall as follows
(WSDL on left, CORBA on right):

Interface --> Object Class
Operation --> no direct mapping
Message --> Method
Part --> Argument

So for a Purchase Order interface, we would have:

Purchase Order Interface --> Purchase Order Class
getPurchaseOrderStatus message --> getPurchaseOrderStatus method
PurchaseOrderID Part --> PurchaseOrderID Argument

Some of the emerging WS-* specifications also address resources, in a
manner that some say is "CORBA all over again". In particular:
WS-Transfer and OASIS Web Services Resource Framework (WSRF).

Kind Regards,
Joseph Chiusano
Booz Allen Hamilton
Strategy and Technology Consultants to the World
 

> -----Original Message-----
> From: Mark Baker [mailto:distobj@a...] 
> Sent: Tuesday, November 30, 2004 12:43 AM
> To: Rich Salz
> Cc: xml-dev@l...
> Subject: Re:  Web Services/SOA (was RE:  
> XML 2004 weblog items?)
> 
> Hey Rich,
> 
> On Mon, Nov 29, 2004 at 10:05:50PM -0500, Rich Salz wrote:
> > I've never heard RPC described as SOA.  I'd go back and challenge 
> > whoever told you that
> 
> Many prominent folks have said that CORBA is SOA.  For example;
> 
> http://www4.gartner.com/pages/story.php.id.3586.s.8.jsp
> http://www.microsoft-watch.com/article2/0,0,1220548,00.asp?kc=
> MWRSS02129TX1K0000535
> http://www.service-architecture.com/web-services/articles/serv
> ice-oriented_architecture_soa_definition.html
> http://groups.yahoo.com/group/service-orientated-architecture/
> message/1386
> http://www.capeclear.com/clear_thinking_soa.shtml
> 
> Practically all the Web services I've seen deployed on the 
> Internet (via xmethods.net) is RPC too.
> 
> Mark.
> -- 
> Mark Baker.   Ottawa, Ontario, CANADA.        http://www.markbaker.ca
> 
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