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Network simulations play an important role in the evolution of V2X (Vehicle-to-Everything) communication services. Large-scale simulations involving a huge number of connected vehicles and/or heavy network traffic, however, typically take a long period of time to complete. In this poster, we explore a mechanism to accelerate network simulations (in terms of simulation time processed per unit wall-clock time) by the means of parallel and distributed simulations (PADS). Multiple instances of network simulators are run in parallel and loosely synchronized to process simulation events in a distributed manner. We develop a proof-of-concept implementation of the framework to showcase its feasibility. The results indicate that the proposed framework achieves up to 10 times faster simulation speed with eight parallel network simulation instances.
Higuchi et al. (Mon,) studied this question.