A Theory of Communicating Sequential Processes
Journal of the ACM (JACM)
ACM Computing Surveys (CSUR)
Petri nets: an introduction
Algebraic specification and verification of communication protocols
Science of Computer Programming
A Proof System for Communicating Sequential Processes
ACM Transactions on Programming Languages and Systems (TOPLAS)
A Calculus of Communicating Systems
A Calculus of Communicating Systems
Fundamentals of Algebraic Specification I
Fundamentals of Algebraic Specification I
Some Topics in the Design of the Specification Language Lotos
Proceedings of the 6th Colloquium on International Symposium on Programming
CCS expressions, finite state processes, and three problems of equivalence
PODC '83 Proceedings of the second annual ACM symposium on Principles of distributed computing
ECCS and LIPS: two languages for OSI systems specification and verification
ACM Transactions on Programming Languages and Systems (TOPLAS)
TTL: a modular language for hardware/software systems design
Journal of Computer and System Sciences
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The Language for temporal ordering specification (LOTOS) is a formal description technique whose development is under way within ISO, the International Organization for standardization, mainly for application to open systems interconnection (OSI) standards. The paper presents a LOTOS specification of the PROWAY interface for process control applicatioins, defined by IEC, the International Electrotechnical Commision. LOTOS is shown to be tailored for the specification of asynchronous systems. In particular, it proves suitable for the specification both of the services which define an interface and of the protocols which implement it. The paper shows how LOTOS supports formal reasoning aimed at establishing consistency between service and protocol specifications. Two examples of such a verification are developed that are related to the PROWAY interface. Finally, advantages and limitations of this approach are outlined.