Patent ID: 8655981
Filing Date: 2014-02-18
Classification: H04L

Abstract:
1. An information communication system for exchanging a plurality of content between a plurality of node devices, the information communication system comprising: a plurality of internal networks that is connected to an external network, wherein each of the internal networks comprises: an overlay network, which is a peer-to-peer logical overlay network constructed on a network formed by the external network and the internal networks, the overlay network being configured to allow searching for the index information, and being configured to exchange a specified content among the node devices over the internal networks and the support devices based on the index information, the index information being stored in the root node and including information of a plurality of node devices storing the specified content, wherein the node devices and the support devices are coupled to the overlay network, and wherein the first acquisition unit of each node device is configured to select the content acquisition destination in a priority order of the first device group, the second support device in the second device group, and the second node device in the second device group.