Patent ID: 8514742
Filing Date: 2013-08-20
Classification: H04L

Abstract:
1. A node device which participates in an overlay network that is formed by a plurality of node devices being capable of connecting to a network, the node device comprising: a memory unit that memorizes a plurality of routing tables in which a plurality of network addresses of the node devices in the overlay network are registered; a searching unit configured to search a destination node device in the overlay network as a destination of a message transmission by referring to at least any one of the routing tables from the plurality of the routing tables in accordance with a predetermined referring order in response to transmitting a predetermined message through the overlay network; and a transmitting unit that transmits the message to the destination node device in the overlay network based on search result of the searching unit, wherein a number of the network addresses of the node devices in the overlay network which can be registered in the routing table to be first referred to by the searching unit is more than a number of the network addresses of the node devices in the overlay network which can be registered in the routing table other than the routing table to be first referred.