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Formal analysis of policy-based self-adaptive systems

Published: 22 March 2010 Publication History

Abstract

PobSAM is a flexible actor-based model with formal foundation for model-based development of self-adaptive systems. In PobSAM policies are used to control and adapt the system behavior, and allow us to decouple the adaptation concerns from the application code. In this paper, we use the actor-based language Rebeca to model check PobSAM models. Since policies are used to govern the system behavior, it is required to verify if the governing policies are enforced correctly. To this aim, we present a new generic classification of the policy conflicts and provide temporal patterns expressed in LTL to detect each class of conflicts. Moreover, we propose LTL patterns for checking the correctness of adaptation. An approach based on static analysis of adaptation policies is presented to check the system stability as well.

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cover image ACM Conferences
SAC '10: Proceedings of the 2010 ACM Symposium on Applied Computing
March 2010
2712 pages
ISBN:9781605586397
DOI:10.1145/1774088
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 22 March 2010

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