Thursday, May 25, 2006

SOA 2.0 - Moving towards Event driven architecture

Here is an article about future of SOA 1 i.e. SOA 2.0

"SOA 2.0 is the term that we're using to talk about the combination
of service-oriented architecture and event-driven architecture," said
Steve Harris, vice president of Oracle Fusion middleware.

The term, SOA 2.0, also is being championed by Gartner's Yefim Natis,
a vice president and distinguished analyst at the firm. Contacted by
telephone, Natis stressed event-driven architecture as the main
distinction between SOA 2.0 and the first, client-server driven
iteration of SOA.

"SOA as we know it today deals with a client-server relationship
between software modules," with services being subroutines serving
clients, Natis said. "However, not all business processes and
topologies fit this model."

With SOA 2.0, an event-driven architecture is deployed in which
software modules are related to business components, and alerts and
event notifications are featured. The initial SOA concept has not
event-driven but instead has featured direct calls from one piece of
software to another in a client-server process, Natis said. SOA
implementations have focused on Web services and subordinates to
clients, he said.

SOA 2.0 applications could include order processing systems, hospital
admissions processes or bank transactions, Natis said.

Oracle is positioning its Fusion middleware components as a solution
for SOA. Oracle sees the Java Platform, Enterprise Edition 5 (Java EE
5), SOA 2.0 and Web 2.0 coming together to produce a more productive
application platform, said Thomas Kurian, Oracle senior vice
president. Web 2.0 features more dynamic clients.

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