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Future Internet 2012, 4(1), 92-109; doi:10.3390/fi4010092

Web Service Assurance: The Notion and the Issues

1,* , 2
1 Dipartimento di Tecnologie dell’Informazione, Università degli Studi di Milano, via Bramante 65–26013 Crema (CR), Italy 2 Department of Computer Science, University of Victoria, STN CSC, Victoria, BC V8W 3P6, Canada
* Author to whom correspondence should be addressed.
Received: 21 December 2011 / Revised: 16 January 2012 / Accepted: 3 February 2012 / Published: 14 February 2012
(This article belongs to the Special Issue Recent Advances in Web Services)
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Web service technology provides basic infrastructure for deploying collaborative business processes. Web Service security standards and protocols aim to provide secure communication and conversation between service providers and consumers. Still, for a client calling a Web service it is difficult to ascertain that a particular service instance satisfies—at execution time—specific non-functional properties. In this paper we introduce the notion of certified Web service assurance, characterizing how service consumers can specify the set of security properties that a service should satisfy. Also, we illustrate a mechanism to re-check non-functional properties when the execution context changes. To this end, we introduce the concept of context-aware certificate, and describe a dynamic, context-aware service discovery environment.
Keywords: assurance; context-aware service certification; service discovery; service security; web service certification assurance; context-aware service certification; service discovery; service security; web service certification
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Anisetti, M.; Ardagna, C.A.; Damiani, E.; Frati, F.; Müller, H.A.; Pahlevan, A. Web Service Assurance: The Notion and the Issues. Future Internet 2012, 4, 92-109.

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