Tatsuya Mori Masato Uchida Ryoichi Kawahara Jianping Pan 0002 Shigeki Goto Identifying elephant flows through periodically sampled packets. 115-120 2004 conf/imc/2004 Internet Measurement Conference http://doi.acm.org/10.1145/1028788.1028803 db/conf/imc/imc2004.html#MoriUKPG04