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Unlimited Release Category UC-405
Printed January 1998
Infrastructure for Distributed Enterprise Simulation
Michael M. Johnson*, Ann S. Yoshimura, Michael E. Goldsby, and Curtis L. Janssen
Systems Studies Department
Sandia National Laboratories
Livermore, California 94550
David M. Nicol
Department of Computer Science
Hanover, New Hampshire 03755
Traditional discrete-event simulations employ an inherently sequential algorithm and are
run on a single computer. However, the demands of many real-world problems exceed the
capabilities of sequential simulation systems. Often the capacity of a computer's primary
memory limits the size of the models that can be handled, and in some cases parallel
execution on multiple processors could significantly reduce the simulation time.
This paper describes the development of an Infrastructure for Distributed Enterprise
Simulation (IDES)-a large-scale portable parallel simulation framework developed to
support Sandia National Laboratories' mission in stockpile stewardship. IDES is based on the
Breathing-Time-Buckets synchronization protocol, and maps a message-based model of
distributed computing onto an object-oriented programming model. IDES is portable across
heterogeneous computing architectures, including single-processor systems, networks of
workstations and multi-processor computers with shared or distributed memory. The system
provides a simple and sufficient application programming interface that can be used by
scientists to quickly model large-scale, complex enterprise systems. In the background and
without involving the user, IDES is capable of making dynamic use of idle processing power
available throughout the enterprise network.
* email: email@example.com
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Johnson, M.M.; Yoshimura, A.S. & Goldsby, M.E. Infrastructure for distributed enterprise simulation, report, January 1, 1998; United States. (https://digital.library.unt.edu/ark:/67531/metadc690726/m1/4/: accessed April 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.