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介绍了直接广播卫星(DBS)因特网接入系统的结构和路由配置。针对下行数据和上行数据经由分离的信道传输的特点,在上行信道上采用隧道机制传输IP数据报,并且给出了这一技术在Linux平台上的实现。
The structure and routing configuration of a direct broadcast satellite (DBS) Internet access system are introduced. According to the characteristics of downlink data and uplink data transmission via separate channels, a tunnel mechanism is adopted to transmit IP datagrams on the uplink channel, and the implementation of this technology on the Linux platform is also given.