Communication and Synchronization in Distributed Systems
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TL;DR
This paper examines Hoare's concepts in greater detail by concentrating on the following two issues: 1) allowing both input and output commands to appear in guards, 2) sinple abstract implementation of the input andoutput constructs.
Abstract
Recent advances in technology have made the construction of general-purpose systems out of many small independent microprocessors feasible. One of the issue's concerning distributed systems is the question of appropriate language constructs for the handling of communication and synchronization. In his paper, "Communicating sequential processes," Hoare has suggested the use of the input and output constructs and Dijkstra's guarded commands to handle these two issues. This paper examines Hoare's concepts in greater detail by concentrating on the following two issues: 1) allowing both input and output commands to appear in guards, 2) sinple abstract implementation of the input and output constructs.