Evaluating high-level distributed language constructs

  • Authors:
  • Jan Nyström;Phil Trinder;David King

  • Affiliations:
  • Erlang Consulting, Uppsala, Sweden;Heriot-Watt University, Edinburgh, Scotland UK;Praxis High Integrity System, Bath, United Kingdom

  • Venue:
  • ICFP '07 Proceedings of the 12th ACM SIGPLAN international conference on Functional programming
  • Year:
  • 2007

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Abstract

The paper investigates the impact of high level distributed programming language constructs on the engineering of realistic software components. Based on reengineering two non-trivial telecoms components, we compare two high-level distributed functional languages, Erlang and GdH, with conventional distributed technologies C++/CORBA and C++/UDP. We investigate several aspects of high-level distributed languages including the impact on code size of high-level constructs. We identify three language constructs that primarily contribute to the reduction in application size and quantify their impact. We provide the first evidence based on analysis of a substantial system to support the widely-held supposition that high-level constructs reduce programming effort associated with specifying distributed coordination. We investigate whether a language with sophisticated high-level fault tolerance can produce suitably robust components, and both measure and analyse the additional programming effort needed to introduce robustness. Finally, we investigate some implications of a range of type systems for engineering distributed software.