Capacity-Driven Web Services: Concepts, Definitions, Issues, and Solutions

Capacity-Driven Web Services: Concepts, Definitions, Issues, and Solutions

Samir Tata (TELECOM SudParis and CNRS UMR Samovar, France), Zakaria Maamar (Zayed University, UAE), Djamel Belaïd (TELECOM SudParis and CNRS UMR Samovar, France) and Khouloud Boukadi (SFAX, Tunisia)
DOI: 10.4018/jssoe.2010100105
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Abstract

This paper presents the concepts, definitions, issues, and solutions that revolve around the adoption of capacity-driven Web services. Because of the intrinsic characteristics of these Web services compared to regular, mono-capacity Web services, they are examined in a different way and across four steps denoted by description, discovery, composition, and enactment. Implemented as operations to execute at run-time, the capacities that empower a Web service are selected with respect to requirements put on this Web service such as data quality and network bandwidth. In addition, this paper reports on first the experiments that were conducted to demonstrate the feasibility of capacity-driven Web services, and also the research opportunities that will be pursued in the future.
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Running Example

Our running example concerns a real-state office that runs and sells different types of properties such as villas and flats. The office is equipped with a set of PCs, while the staff in charge of conducting the visits is equipped with various heterogeneous handheld devices. The staff is usually in contact with customers as per the following description. The customers contact the office to request an estimate, purchase, or rent a property. The office can also contact customers as per their initial requests.

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