Ad Hoc Distributed Simulations

Authors:
Richard Fujimoto;Michael Hunter;Jason Sirichoke;Mahesh Palekar;Hoe Kim;Wonho Suh
Affiliations:
Georgia Institute of Technology and Google Inc., USA;Georgia Institute of Technology and Google Inc., USA;Georgia Institute of Technology and Google Inc., USA;Georgia Institute of Technology and Google Inc., USA;Georgia Institute of Technology and Google Inc., USA;Georgia Institute of Technology and Google Inc., USA
Venue:
Proceedings of the 21st International Workshop on Principles of Advanced and Distributed Simulation
Year:
2007

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Abstract

An ad hoc distributed simulation is a collection of autonomous on-line simulations brought together to model an operational system. They offer the potential of increased accuracy, responsiveness, and robustness compared to centralized approaches. They differ from conventional distributed simulations in that they are created bottom-up rather than top-down. They combine concepts from conventional distributed simulations and replicated trials, raising new issues in data management and synchronization. The ad hoc simulation approach is proposed as well as an optimistic synchronization algorithm. A prototype coupling in-vehicle transportation simulations is evaluated, yielding promising results. Experiences applying this concept to a commercial transportation simulator in an emergency scenario are described.