@inproceedings{liu2015fattreesim,
  title={FatTreeSim: Modeling large-scale fat-tree networks for HPC systems and data centers using parallel and discrete event simulation},
  author={Liu, Ning and Haider, Adnan and Sun, Xian-He and Jin, Dong},
  booktitle={Proceedings of the 3rd ACM SIGSIM Conference on Principles of Advanced Discrete Simulation},
  pages={199--210},
  year={2015},
  organization={ACM}
}