Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/39359
Title: Communicating transaction processes: An MSC-based model of computation for reactive embedded systems
Authors: Roychoudhury, A. 
Thiagarajan, P.S. 
Issue Date: 2004
Source: Roychoudhury, A.,Thiagarajan, P.S. (2004). Communicating transaction processes: An MSC-based model of computation for reactive embedded systems. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 3098 : 789-818. ScholarBank@NUS Repository.
Abstract: Message Sequence Charts (MSC) have been traditionally used to depict execution scenarios in the early stages of design cycle. MSCs portray inter-object interactions. Synthesizing intra-object executable specifications from an MSC-based description is a non-trivial task. Here we present a model of computation called Communicating Transaction Processes (CTP) based on MSCs from which an executable specification can be extracted in a straightforward manner. Our model describes a network of communicating processes in which the processes interact via common action labels. Each action is a non-atomic interaction described as a guarded choice of MSCs. Thus our model achieves a separation of concerns: the high-level network of processes depicting intra-process computations and control flow, while the common non-atomic communication actions capture inter-process interaction via MSCs. We show how to extract an ordinary Petri net from a CTP model thereby leading to a standard operational semantics. We also discuss the connection of our formalism to Live Sequence Charts, an extension of MSCs which also has an executable semantics. © Springer-Verlag Berlin Heidelberg 2004.
Source Title: Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
URI: http://scholarbank.nus.edu.sg/handle/10635/39359
ISSN: 03029743
Appears in Collections:Staff Publications

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