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An enterprise service bus (ESB) implements a communication system between mutually interacting software applications in a service-oriented architecture (SOA). It represents a software architecture for distributed computing, and is a special variant of the more general client-server model, wherein any application may behave as server or client. ESB promotes agility and flexibility with regard to high-level protocol communication between applications. Its primary use is in enterprise application integration (EAI) of heterogeneous and complex service landscapes.
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Service-orientation is a design paradigm for computer software in the form of services. The principles of service-oriented design stress the separation of concerns in the software. Applying service-orientation results in units of software partitioned into discrete, autonomous, and network-accessible units, each designed to solve an individual concern. These units qualify as services.
IONA Technologies was an Irish software company founded in 1991. It began as a campus company linked to Trinity College Dublin had its headquarters in Dublin, and eventually also expanded its offices in Boston and Tokyo. It specialised in distributed service-oriented architecture (SOA) technology, its products connecting systems and applications by creating a network of services without requiring a centralised server or creating an information technology project. IONA was the first Irish company to float on the NASDAQ exchange. It was valued at up to US$1.75 billion at its peak. It was one of the world's 10 largest software-only companies, and around 30 new ventures spun out from it. IONA was sold to Progress Software in 2008.
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Sparx Systems Enterprise Architect is a visual modeling and design tool based on the OMG UML. The platform supports: the design and construction of software systems; modeling business processes; and modeling industry based domains. It is used by businesses and organizations to not only model the architecture of their systems, but to process the implementation of these models across the full application development life-cycle.
William M. Ulrich is an American business architecture consultant, consultant at Cutter Consortium, director and lecturer, known for development of 'The Systems Redevelopment Methodology' (TSRM) in the 1990s, on legacy systems in the 2000s and more recently on his work on business architecture.
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The Business Architecture Special Interest Group (BASIG) is a working group on business architecture of the Object Management Group (OMG), known for their contribution to the history of business architecture. This working group was founded in 2007 as the Business Architecture Working Group (BAWG).
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References
- ↑ Pritchard, Jason. COM and CORBA side by side: architectures, strategies, and implementations. Addison-Wesley Longman Publishing Co., Inc., 1999.
- ↑ Tai, Wolfgang Emmerich Stefan. Engineering distributed objects. (2000).
- ↑ Cândido, Gonçalo, et al. "SOA in reconfigurable supply chains: A research roadmap." Engineering applications of artificial intelligence 22.6 (2009): 939-949.
