Conventional distributed programming languages require the programmer to explicitly specify many aspects of distributed co-ordination, including resource location, task placement, communication and synchronisation. Functional languages aim to provide higher-level abstraction, and this paper investigates the effectiveness of this for distributed co-ordination. The investigation contrasts and compares contrasts Java and two Haskell-based distributed functional languages, Eden and GdH. Three distributed programs are used as case studies, and the performance and programming effort are reported.
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