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Paper Details

  title = "{A} {CSP} {M}odel for {M}obile {C}hannels",
  author= "Welch, Peter H. and Barnes, Frederick R. M.",
  editor= "Welch, Peter H. and Stepney, S. and Polack, F.A.C and Barnes, Frederick R. M. and McEwan, Alistair A. and Stiles, G. S. and Broenink, Jan F. and Sampson, Adam T.",
  pages = "17--33",
  booktitle= "{C}ommunicating {P}rocess {A}rchitectures 2008",
  isbn= "978-1-58603-907-3",
  year= "2008",
  month= "sep",
  abstract= "CSP processes have a static view of their environment
     \— a
     \textlessi\textgreaterfixed\textless/i\textgreater set of
     events through which they synchronise with each other. In
     contrast, the \π-calculus is based on the dynamic
     construction of events (channels) and their
     distribution over pre-existing channels. In this way,
     process networks can be constructed dynamically with
     processes acquiring new connectivity. For the construction
     of complex systems, such as Internet trading and the
     modeling of living organisms, such capabilities have an
     obvious attraction. The occam-\π multiprocessing language
     is built upon classical occam, whose design and
     semantics are founded on CSP. To address the dynamics of
     complex systems, occam-\π extensions enable the movement
     of channels (and multiway synchronisation barriers) through
     channels, with constraints in line with previous occam
     discipline for safe and efficient programming. This paper
     reconciles these extensions by building a formal
     (operational) semantics for mobile channels entirely
     within CSP. These semantics provide two benefits: formal
     analysis of occam-\π systems using mobile channels and
     formal specification of implementation mechanisms for
     mobiles used by the occam-\π compiler and run-time

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