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Scalable RTI-based parallel simulation of networks

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4 Author(s)
Perumalla, K.S. ; Coll. of Comput., Georgia Tech., Atlanta, GA, USA ; Park, A. ; Fujimoto, R.M. ; Riley, G.F.

Federated simulation interfaces such as the high level architecture (HLA) were designed for interoperability, and as such are not traditionally associated with high-performance computing. We present results of a case study examining the use of federated simulations using runtime infrastructure (RTI) software to realize large-scale parallel network simulators. We examine the performance of two different federated network simulators, and describe RTI performance optimizations that were used to achieve efficient execution. We show that RTI-based parallel simulations can scale extremely well and achieve very high speedup. Our experiments yielded more than 80-fold scaled speedup in simulating large TCP/IP networks, demonstrating performance of up to 6 million simulated packet transmissions per second on a Linux cluster. Networks containing up to two million network nodes (routers and end systems) were simulated.

Published in:

Parallel and Distributed Simulation, 2003. (PADS 2003). Proceedings. Seventeenth Workshop on

Date of Conference:

10-13 June 2003