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Shared State Synchronization for HLA-Based Distributed Simulation

School of Computer Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, yhlow{at}ntu.edu.sg

Boon Ping Gan

Singapore Institute of Manufacturing Technology, 71 Nanyang Drive, Singapore 638075

Junhu Wei

Systems Engineering Institute, Xi’an Jiaotong University, Xianning West Road 28, Xi’an 710049, China

Xiaoguang Wang

School of Computer Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798

Stephen John Turner

School of Computer Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798

Wentong Cai

School of Computer Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798

The problem of shared state is well known to the parallel and distributed simulation research community. In this article, the authors revisit the problem of shared state in the context of a High Level Architecture (HLA)-based distributed simulation. A middleware approach is proposed to solve this problem within the framework of the HLA runtime infrastructure. Four solutions to this problem are implemented in the middleware using receive-order messages. The authors discuss the implementation issues of these four solutions in the middleware. Experimental results comparing the performance of these four solutions against a simple request-reply approach using timestamp-order messages are also presented.

Key Words: Shared state • zero lookahead • High Level Architecture • distributed simulation

SIMULATION, Vol. 82, No. 8, 511-521 (2006)
DOI: 10.1177/0037549706069342


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