Safe Composition of Systems of Communicating Finite State Machines
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arXiv
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| Hauptverfasser: | , |
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| Format: | Preprint |
| Veröffentlicht: |
2024
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| _version_ | 1866929624669224960 |
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| author | Barbanera, Franco Hennicker, Rolf |
| author_facet | Barbanera, Franco Hennicker, Rolf |
| contents | The Participants-as-Interfaces (PaI) approach to system composition suggests that participants of a system may be viewed as interfaces. Given a set of systems,one participant per system is chosen to play the role of an interface. When systems are composed, the interface participants are replaced by gateways which communicate to each other by forwarding messages. The PaI-approach for systems of asynchronous communicating finite state machines (CFSMs) has been exploited in the literature for binary composition only, with a (necessarily) unique forwarding policy. In this paper we consider the case of multiple system composition when forwarding gateways are not uniquely determined and their interactions depend on specific connection policies complying with a connection model. We represent connection policies as CFSM systems and prove that a bunch of relevant communication properties (deadlock-freeness, reception-error-freeness, etc.) are preserved by PaI multicomposition, with the proviso that also the used connection policy does enjoy the communication property taken into account. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_08234 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Safe Composition of Systems of Communicating Finite State Machines Barbanera, Franco Hennicker, Rolf Logic in Computer Science F.3.1 The Participants-as-Interfaces (PaI) approach to system composition suggests that participants of a system may be viewed as interfaces. Given a set of systems,one participant per system is chosen to play the role of an interface. When systems are composed, the interface participants are replaced by gateways which communicate to each other by forwarding messages. The PaI-approach for systems of asynchronous communicating finite state machines (CFSMs) has been exploited in the literature for binary composition only, with a (necessarily) unique forwarding policy. In this paper we consider the case of multiple system composition when forwarding gateways are not uniquely determined and their interactions depend on specific connection policies complying with a connection model. We represent connection policies as CFSM systems and prove that a bunch of relevant communication properties (deadlock-freeness, reception-error-freeness, etc.) are preserved by PaI multicomposition, with the proviso that also the used connection policy does enjoy the communication property taken into account. |
| title | Safe Composition of Systems of Communicating Finite State Machines |
| topic | Logic in Computer Science F.3.1 |
| url | https://arxiv.org/abs/2412.08234 |