| 摘要 |
PURPOSE: A geocast system and packet routing method which generates a user-customized location-based application service are provided to secure safety service base which utilizes location information. CONSTITUTION: One or more first routers(200) receive packets including destination IP address and destination location information. One or more first routers search for a routing path corresponding to the destination IP address. The first router transmits the packet in a unicast method. A second router(300) transmits the packet to a receiving terminal in a multicast method. |
