POJO is making a revival, because all the complexity is being transferred from user code to deployment environment. I am optimistic that the developments around WS-* (particularly WS-Policy, WS-MetadataExchange, WS-Trust, WS-Security, WS-Addressing, UDDI, WSDM) will eventually enable that sort of transformation to occur in distributed computing. As infrastructure will be getting smarter, distributed application development should be getting simpler.
 
Daniel
 


From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of JP Morgenthal
Sent: Tuesday, May 24, 2005 6:46 PM
To: [email protected]
Subject: RE: [service-orientated-architecture] Business case for SOA

Steve,

 

            I, like you, am not an SOA-biggot in that I’m fine if engineers want to use Web Services as a design methodology for their application, however, it is my belief that what that companies are doing is not proving SOA, you’re proving Web Services.  SOA would require that you design re-usable business services that have well-defined management and security models and that defines the policy for usage.  That’s not to say that this doesn’t have value, but realize that SOA is an infrastructure movement that defines the framework that services are deployed and managed within.  Otherwise, it’s a component-based systems-engineering model, or just plain-old Distributed Computing (which, BTW, I’m leaning heavily toward based on WS interfaces).  After all POJO is really making a revival, can’t PODC?

 

JP

 

 

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JP Morgenthal
Managing Director

Ethink Systems, Inc.
12110 Sunset Hills Road, Suite 450
Reston, VA 20190

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From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Steve Schaffer
Sent: Tuesday, May 24, 2005 8:59 AM
To: [email protected]
Subject: [service-orientated-architecture] Business case for SOA

 

    I work with Insurance companies, and they are proving the value of SOA
on a daily basis. They use SOA to process application information from a 3rd
party web site. They are already re-using an SOA component to integrate with
other web-services. The cost savings are obvious, the business need is
clear. SOA is an architecture that standardizes re-use across business
units.
    Yes, it is modular programming rehashed. However, the (public) stage and
cross-BU focus of SOA gives more focus, and more benefit to this latest
attempt to apply accepted Systems Engineering rules to an area that is too
often left to unstructured systems building.

Steve Schaffer

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