| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve monitoring information having a predetermined accuracy or more regardless of a data type of a packet signal and increase/decrease in a total traffic amount. <P>SOLUTION: The data sampling device has: a classification part which classifies received data signals according to a data signal type; a plurality of first-in first-out type storage parts which store the classified data signals, respectively; an analysis part which calculates a sampling rate on the basis of the rate between a total traffic amount of the data signals received per predetermined period of time and the traffic amount of the data signals stored in the plurality of storage parts respectively; and a sampling part which performs sampling of the data signals stored respectively in the plurality of storage parts on the basis of the sampling rate calculated by the analysis part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
