Is there a difference between Web services and Service Oriented
Architecture (SOA)? If I have a Web service -- isn't that basically doing
an SOA?
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Service-Oriented Architecture is an IT business system design
methodology that is focused on reusability, breaking down silos, and
enabling rapid and on-going optimization of business processes. An SOA
can be implemented using any number of technologies. However, in
practice the Web services standards and technologies (XML, SOAP, WSDL,
WS-Security, WS-Policy, etc.) are at the heart of forming every
organization's SOA implementation.
This was first published in July 2004
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