| 摘要 |
<p>The present invention relates to a network system (100) for providing additional service information using IPSec security tunneling. The network system (100) forms a terminal (110) and an IPSec security tunneling. Additionally, the network system includes at least one among IPSec gateway (150) controlling the terminal (110) to be accessed to a server and an access network device using LTE, HSDPA, mobile WiMAX and WiFi communications method. Also, the terminal (110) for transmitting at least one among additional service information composed of access location information, access business information, access network type information and access network device connecting the terminal (110) and IPSec gateway (150) to the IPSec gateway (150).</p> |
