Confusion about Services Based Architectures [SBA, SOA, EDA, ...] has been created by a number of industry elements. Industry critics like Forrester first used the term Services Based Architecture until 2000 when Gartner came up with their own term Services Oriented Architectures (SOA). Forrester was still using the term SBA in 2002. Gartner next created the term Event Driven Architecture and has now come full circle back to SOA 2.0 (supporting both SOA and EDA like the original SBA).
The success of Service-Oriented Architecture (SOA) has created the foundation for information
and service sharing across application and organizational boundaries. Through the use of SOA,
organizations are demanding solutions that provide vast scalability, increased reusability of
business services, and greater efficiency of computing resources. More importantly,
organizations need agile architectures that can adapt to rapidly changing business requirements
without the long development cycles that are typically associated with these efforts. Event-Driven
Architecture (EDA) has emerged to provide more sophisticated capabilities that address these
dynamic environments. EDA enables business agility by empowering software engineers with
complex processing techniques to develop substantial functionality in days or weeks rather than
months or years. As a result, EDA is positioned to enhance the business value of SOA.
The purpose of this white paper is to describe the approach employed to overcome the significant
technical challenges required to design a dynamic grid computing architecture for a US
government program. The program required optimization of the overall business process while
maximizing scalability to support dramatic increases in throughput. To realize this goal, an
architecture was developed to support the dynamic placement and removal of business services
across the enterprise.
For those unfamiliar with business-driven architecture, I believe the most viable, agile architectures will be comprised of a blend of architecture strategies, including (but not limited to) service-oriented architecture, event-driven architecture, process-based architecture, federated information, enterprise integration and open source adoption.
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T. Weise, S. Niemczyk, R. Chiong, и M. Wan. Proceedings of the 4th European Event on Bio-Inspired Algorithms for Continuous Parameter Optimisation (EvoNUM'11), Proceedings of the European Conference on the Applications of Evolutionary Computation (EvoAPPLICATIONS'11), Springer-Verlag GmbH: Berlin, Germany, (2011)Nominated for best paper..
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