Incremental state saving in SPEEDES using C++
WSC '93 Proceedings of the 25th conference on Winter simulation
Parallel and Distribution Simulation Systems
Parallel and Distribution Simulation Systems
Efficient synchronized data distribution management in distributed simulations
Efficient synchronized data distribution management in distributed simulations
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Model interoperability enables independently developed models to interoperate with each other and has been a key technology in distributed simulations such as HLA-supported simulations. Parallel Discrete Event Simulation (PDES) also uses object models to represent real world entities thus it can also benefit from adopting a model interoperability mechanism. The work in this paper developed a model interoperability layer in the PDES environment by conforming to its event-object paradigm. The model interoperability layer uses a proxy-based approach to enable object models in a PDES to "publish" and "subscribe" their attributes similar to mechanisms in HLA. Especially, this design is optimized for executing in cluster-like environment. Preliminary performance tests show that the optimization improves Data Distribution Management performance up to 12 times in a cluster environment compared with unoptimized design.