Simulation approach for improving the computing network topology and performance of the China IHEP Data CenterAndrey Nechaevskiy, Gennady Ososkov, Darya Pryahina, Vladimir Trofimov and Weidong LiEPJ Web Conf., 214 (2019) 08018DOI: https://doi.org/10.1051/epjconf/201921408018