Node detection method and node detector

摘要

A node detection method and a node detector that enable selection of a node detection method in accordance with the structure and operation of a network are realized. A node detection method for detecting a node connected to a network comprises: a first step of interpreting a first script related to cycle to decide a detection cycle; a second step of interpreting a second script used for selecting information to select next information to be acquired, when node detection timing has come; a third step of gathering the selected information via the network by using a matching protocol; a fourth step of interpreting the acquired information and storing node information when it is judged that a new node has been detected; and a fifth step of causing all the nodes that have been detected by the last node detection, to perform the second to fourth steps.