P2P CONNECTION SYSTEM AND TERMINAL, AND P2P CONNECTION METHOD USING SAME IN MOBILE ENVIRONMENT

摘要

Disclosed is a P2P connection method in a mobile environment. The P2P connection method in a mobile environment according to one embodiment of the present invention comprises the steps of: transferring a connection request message by means of a push mode, from a first peer to a second peer; transferring a connection response message, which comprises connection information comprising a private address of the second peer and a public address of the second peer and an address of a relay server, from the second peer to the first peer; performing at least one of a first connection attempt using the private address of the second peer, a second connection attempt using the public address of the second peer and a third connection attempt using the address of the relay server, in the first peer, for connecting with the second peer, wherein the first connection attempt to the third connection attempt are carried out simultaneously or sequentially at a previously set time intervals.