Operation of the ATLAS Distributed Computing Fernando Barreiro Magino, David Cameron, Alessandro Di Girolamo, Andrej Filipcic, Ivan Glushkov, Federica Legger, Tadashi Maeno and Rodney Walker EPJ Web Conf., 214 (2019) 03049 Published online: 17 September 2019 DOI: 10.1051/epjconf/201921403049