Patent ID: 9504020
Filing Date: 2016-11-22
CPC Classification: H04W

Claim Text:
1. A method for exchanging information between communication terminals, the method comprising: exchanging node information and routing information between a plurality of communication terminals constituting a network; identifying each of the communication terminals using the node information; and indicating, using the routing information, a communication route to each of the communication terminals which is a destination; wherein when each of the plurality of communication terminals detects, in the routing information locally held by the communication terminal, update of a routing information entry relating to any of the communication terminals or detects, in the node information locally held by the communication terminal, update of a node information entry relating to any of the communication terminal, the communication terminal references, in the node information locally held by the communication terminal, a node information entry corresponding to the updated routing information entry or, references, in the routing information locally held by the communication terminal, a routing information entry corresponding to the updated node information entry; and if the corresponding node information entry or the corresponding routing information entry does not exist, acquires the corresponding node information entry or the corresponding routing information entry from another communication terminal.