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Communicating Mobile Processes: introducing occam-pi

Welch, Peter H. and Barnes, Frederick R.M. (2005) Communicating Mobile Processes: introducing occam-pi. In: Abdallah, Ali E. and Jones, Cliff B. and Sanders, Jeff W., eds. Communicating Sequential Processes. The First 25 Years Symposium on the Occasion of 25 Years of CSP. Lecture Notes in Computer Science . Springer, Berlin, Germany, pp. 175-210. ISBN 978-3-540-25813-1. E-ISBN 978-3-540-32265-8. (doi:10.1007/11423348_10) (The full text of this publication is not currently available from this repository. You may be able to access a copy if URLs are provided)

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This paper introduces occam-pi, an efficient and safe binding of key elements from Hoare's CSP and Milner's pi-calculus into a programming language of industrial strength. A brief overview of classical occam is presented, before focussing on the extensions providing data, channel and process mobility. Some implementation details are given, along with current benchmark results. Application techniques exploiting mobile processes for the direct modelling of large-scale natural systems are outlined, including the modelling of locality (so that free-ranging processes can locate each other). Run-time overheads are sufficiently low so that systems comprising millions of dynamically assembling and communicating processes are practical on modest processor resources. The ideas and technology will scale further to address larger systems of arbitrary complexity, distributed over multiple processors with no semantic discontinuity. Semantic design, comprehension and analysis are made possible through a natural structuring of systems into multiple levels of network and the compositionality of the underlying algebra.

Item Type: Book section
DOI/Identification number: 10.1007/11423348_10
Additional information: to appear
Uncontrolled keywords: occam-pi, KRoC, mobile processes, CSP, pi-calculus
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming,
Divisions: Faculties > Sciences > School of Computing > Systems Architecture Group
Depositing User: Mark Wheadon
Date Deposited: 24 Nov 2008 18:03 UTC
Last Modified: 29 May 2019 14:13 UTC
Resource URI: (The current URI for this page, for reference purposes)
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