PROBLEM TO BE SOLVED: To select an operational administration server most suitable for an administration object device efficiently by eliminating troublesomeness at manual registration of an administration object device in an operational administration server in operational administration of an administration object device through a computer network.;SOLUTION: When conventional division of an administration object area is abandoned and an extra introduction device X is added as an administration object device to an administration object network, an OSS area server with the smallest hop count is set as an OSS area server performing operational administration of the extra introduction device X based on the number of hops, i.e., the number of relay nodes from the extra introduction device X to each OSS area server. In addition, the processing concerned can be carried out autonomously by an agent program embedded in the extra introduction device X.;COPYRIGHT: (C)2009,JPO&INPIT
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