Legacy Migration to Service-Oriented Computing with Mashups

Although service-oriented computing holds great promises, it is still not clear when and how the existing systems will exploit this new computational model. The problem is particularly severe for the software having several years of use. This work provides a roadmap for the migration of legacy software to service-oriented computing by means of right levels of abstraction. The key idea is having integration even at the presentation layer, not only at backend layers such as application or data. This requires re-inventing the popular MASHUP technology of Web 2.0 at the enterprise level. Domain- specific-kits and choreography engine concepts that were originally introduced by the software factory automation approach have been reshaped as another enabling technology towards migrating to the service harmonization platform. The paper also exemplifies the proposed approach on a simple case problem.

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