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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Proof Methodologies for Behavioural Equivalence in Dpi
verfasst von : Alberto Ciaffaglione, Matthew Hennessy, Julian Rathke
Erschienen in: Formal Techniques for Networked and Distributed Systems - FORTE 2005
Verlag: Springer Berlin Heidelberg
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We focus on techniques for proving behavioural equivalence between systems in
Dpi
, a distributed version of the
picalculus
in which processes may migrate between dynamically created locations, and where resource access policies are implemented by means of capability types.
We devise a tractable collection of auxiliary proof methods, relying mainly on the use of
bisimulations up-to β
-reductions
, which considerably relieve the burden of exhibiting witness bisimulations. Using such methods we model simple distributed protocols, such as crossing a firewall, a server and its clients, metaservers installing memory services, and address their correctness in a relatively simple manner.