Enterprise Services Architecture (ESA)
Enterprise Services Architecture (ESA) is SAP's enhanced
version of service-oriented architecture (SOA). ESA facilitates deployment of Web services at
the business level. This streamlines the conception and development of innovative application
programs within the existing infrastructure of an enterprise, minimizing the cost while
allowing timely implementation of new business processes.
The term SOA refers to the underlying structure supporting communications among units of work,
also called services, executed on behalf of computing entities such as human users or applications.
SOA defines how these entities can interact, allowing one to perform a specific service for
another. The interactions are defined using a description language such as Unified Modeling
Language (UML).
This was last updated in June 2007
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