Abstract
This paper reviews how Web services composition can provide flexible on-demand computing services in an enterprise system environment. The evolution of enterprise systems (ERP) is reviewed, and systemic features considered. Open source developments are highlighted, including commercial initiatives such as service oriented architecture and on demand computing. The composition strategy of bundling is analyzed, finding that vendors can improve total profit in open systems for non-core components. A model is presented that demonstrates how such open source architecture can be of value in an enterprise system domain.
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