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Erschienen in:
2009 | OriginalPaper | Buchkapitel
Multicore Constraint-Based Automated Stabilization
verfasst von : Fuad Abujarad, Sandeep S. Kulkarni
Erschienen in: Stabilization, Safety, and Security of Distributed Systems
Verlag: Springer Berlin Heidelberg
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Given the non-determinism and race conditions in distributed programs, the ability to provide assurance about them is crucial. Our work focuses on incremental synthesis where we modify a distributed programs to add self-stabilization. We concentrate on reducing the time complexity of such synthesis using parallelism. We apply these techniques in the context of constraint satisfaction. In particular, incremental synthesis of self-stabilizing programs requires adding recovery actions to satisfy the constraint that are true in the legitimate states. We consider two approaches to speedup the synthesis algorithm: first, the use of the multiple constraints that have to be satisfied during synthesis; second, the use of the distributed nature of the programs being synthesized. We show that our approaches provide significant reductions in the synthesis time.