| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique capable of improving decision accuracy of a trouble. <P>SOLUTION: It is decided whether there is a trouble in a network connected to a communication port having an increased real data reception speed, according to a decision condition that includes, as a requisite for deciding that a trouble exists, a requisite such that the real data reception speed has increased with a variation in the real data reception speed per unit time exceeds a first threshold greater than zero. <P>COPYRIGHT: (C)2013,JPO&INPIT |
