Patent ID: 8213432
Filing Date: 2012-07-03
Classification: H04L

Abstract:
1. A network configuration investigating device constituting each node in a P2P network having a network monitoring node, the network monitoring node issuing a network ticket requesting to investigate nodes existing within a predetermined range from a node having received the network ticket, and managing a network configuration by using information on nodes having been investigated by each of nodes having received the network ticket, the network configuration investigating device comprising: a network ticket receiving means for receiving the network ticket from the network monitoring node or other node; a network configuration information acquiring means for investigating information on other nodes within range graspable by itself among the predetermined range, and acquiring a result of the investigation as network configuration information; a network ticket issuing means for, when investigating beyond the range graspable by itself, issuing a new network ticket to other nodes, and requesting the investigation based on the new network ticket; a network configuration information receiving means for receiving the network configuration information from the other nodes to which the new network ticket has been issued; and a network configuration information transmitting means for transmitting the network configuration information acquired by the network configuration information acquiring means and the network configuration information received by the network configuration information receiving means to the network monitoring node having transmitted the network ticket or the other node having transmitted the network ticket.