An investigation into the implementation issues and challenges of service oriented architecture

This source preferred by Oluwatoyin Fakorede

Authors: Fakorede, O.

Several literatures have been published about the semantic web services being the solution to interoperability challenges within the Service Oriented Architecture (SOA) framework. The aim of this dissertation was to find out, if the introduction of the semantic layer into the SOA infrastructure will actually solve these challenges. In order to determine the existence of these challenges, a traditional web service built on XML technology was developed; first to understand the technology behind web services and secondly to demonstrate the limitations of the original SOA framework especially in the area of automatic service discovery and automatic service composition. To further investigate how the Semantic layer could solve these limitations; a semantic web service was developed, to explore the tools and models available to develop semantic web services and the possible challenges that could arise from the inclusion of the semantic layer into the SOA infrastructure. These two applications were evaluated and compared in terms of their capabilities and underlying technologies to find out if truly, the semantic web services could solve the interoperability challenges within the SOA infrastructure. Since semantic web services are built using ontologies, they have well described interfaces that allow for automatic web service discovery and invocation; it was found out that truly, they can solve the interoperability challenges in the SOA framework. However, there are a number of challenges that could impede the development of the Semantic SOA; such challenges were discussed in this paper. Finally, this paper concludes by highlighting areas in which the work in this research could be extended.

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