| 摘要 |
<p>A network system (100) which provides additional service information through IPSec security tunneling forms a terminal (110) and the IPSec security tunneling and comprises at least one among an IPSec gateway (150) which controls the terminal (110) to be connected to a server, LTE, HSDPA, mobile WiMAX, and a connection network device using Wi-Fi communication method. The network system comprises; the connection network device which connects the terminal (110) and the IPSec gateway (150); and the terminal (110) which transmits at least one among additional information which is formed of information of the type of the connection network, connection entrepreneur information, and connection location information.</p> |
