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Automatic verification of directory-based consistency protocols with graph constraints
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Systems.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computer Systems.
2011 (English)In: International Journal of Foundations of Computer Science, ISSN 0129-0541, Vol. 22, no 4, 761-782 p.Article in journal (Refereed) Published
Abstract [en]

We propose a symbolic verification method for directory-based consistency protocols working for an arbitrary number of controlled resources and competing processes. We use a graph-based language to specify in a uniform way both client/server interaction schemes and manipulation of directories that contain the access rights of individual clients. Graph transformations model the dynamics of a given protocol. Universally quantified conditions defined on the labels of edges incident to a given node are used to model inspection of directories, invalidation loops and integrity conditions. Our verification procedure computes an approximated backward reachability analysis by using a symbolic representation of sets of configurations. Termination is ensured by using the theory of well-quasi orderings.

Place, publisher, year, edition, pages
2011. Vol. 22, no 4, 761-782 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:uu:diva-155589DOI: 10.1142/S0129054111008416ISI: 000291552600002OAI: oai:DiVA.org:uu-155589DiVA: diva2:427407
Available from: 2011-06-28 Created: 2011-06-27 Last updated: 2011-10-10Bibliographically approved

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Abdulla, Parosh Aziz

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