Communication control method

Details Communication control method Communication control method

H - Electricity

04

L

H04L 29/04 (2006.01) H04L 12/16 (2006.01) H04L 29/08 (2006.01)

Patent

CA 2566639

According to one embodiment, a communication control method of a communication system which connects an IP network to plural networks including IP communication devices through routers provided for respective networks, which communicates between the IP communication devices of the different networks through the IP network with IP-packetized data, and which includes a first and a second relay servers which relay the IP packet and a control signal to which a global IP address is assigned, the method includes: determining whether peer-to-peer communication between the IP communication devices can be conducted by using a test packet through the first and second relay servers and the router; conducting peer-to-peer communication of the IP data between the IP communication devices determined that the peer-to-peer communication can be conducted; and relaying by the first relay server or second relay server between the IP communication devices determined that the peer-to-peer communication cannot be conducted.

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