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2010 IEEE International Conference on Services Computing (2010)
Miami, Florida
July 5, 2010 to July 10, 2010
ISBN: 978-0-7695-4126-6
pp: 482-489
Due to the shift from software-as-a-product (SaaP) to software-as-a-service (SaaS), software components that were developed to run in a single address space must increasingly be accessed remotely across the network. Distribution middleware is frequently used to facilitate this transition. Yet a range of middleware platforms exist, and there are few existing guidelines to help the programmer choose an appropriate middleware platform to achieve desired goals for performance, expressiveness, and reliability. To address this limitation, in this paper we describe a case study of transitioning an Open Service Gateway Initiative (OSGi) service from local to remote access. Our case study compares five remote versions of this service, constructed using different distribution middleware platforms. These platforms are implemented by widely-used commercial technologies or have been proposed as improvements on the state of the art. In particular, we implemented a service-oriented version of our own Remote Batch Invocation abstraction. We compare and contrast these implementations in terms of their respective performance, expressiveness, and reliability. Our results can help remote service programmers make informed decisions when choosing middleware platforms for their applications.
Remote services, middleware, OSGi, RBI, message-oriented middleware, R-OSGi

W. R. Cook, E. Tilevich and Y. Kwon, "An Assessment of Middleware Platforms for Accessing Remote Services," 2010 IEEE International Conference on Services Computing(SCC), Miami, Florida, 2010, pp. 482-489.
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