When a packet transmission device (2) has counted a predetermined number of lower-node layer address pairs of the lower-node layer frame transferred, it transmits the last lower-node layer address pair to a frame transfer device (3). The frame transfer device (3) counts the transfer frequency of the lower-node layer frame having the lower-node layer address pair.
申请公布号
WO2005022850(A1)
申请公布日期
2005.03.10
申请号
WO2004JP12375
申请日期
2004.08.27
申请人
NIPPON TELEGRAPH AND TELEPHONE CORPORATION;MATSUI, KENICHI;YAGI, TAKESHI;NARUSE, YUUICHI;MURAYAMA, JUNICHI;KANEDA, MASAKI
