DP: A library for building portable, reliable distributed applications David M. Arnow Brooklyn College, CUNY ABSTRACT DP is a library of process management and communication tools for writing portable, reliable distributed applications. It provides support for a flexible set of message operations as well as process creation and management. It has been successfully used in developing distributed Monte Carlo, disjunc- tive programming and integer goal programming codes.It differs from PVM and similar libraries in its support for lightweight, unreliable messages, as well as asynchronous delivery of interrupt-generating messages. In addition, DP supports the development of long-running distributed applications tolerant to the failure or loss of a subset of its processors.
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