Two paradigms of composition

  • Authors:
  • Ashley McNeile

  • Affiliations:
  • Metamaxim Ltd., Brunswick Gardens, London, U. K.

  • Venue:
  • Proceedings of the Third Workshop on Behavioural Modelling
  • Year:
  • 2011

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Abstract

We use a small example to discuss how two different formal modeling languages address the interaction between data and behavior using parallel composition. We use this discussion to highlight the distinction between synchronous and asynchronous semantics of parallel composition, a distinction not hitherto properly discussed in the context defining the interaction between behavior and global or shared data. We discuss some uses of parallel composition in systems engineering, and some considerations that determine whether synchronous or asynchronous semantics are best aligned to these uses.