| 摘要 |
PURPOSE: A multiple Internet sharing device and a sharing method are provided to improve a communication speed through the multiple data transmitting by connecting a plurality of ISPs(Internet Service Provider) to one Internet sharing device. CONSTITUTION: An input/output port(11) physically connects a LAN to a plurality of ISPs. A memory(13) stores a system program necessary for management and the information necessary for operation, and successively transmits the data through the ISPs connecting to the input/output port(11). A detector(15) outputs a ping signal in order to detect a connection state of the ISP through the input/output port(11) and detects a response signal of the ISP for the ping signal. A converter(17) generates an internal IP(Internet Protocol) of the LAN connecting to the input/output port and connects the internal IP with an external IP of the ISP. A controller(19) decides the connection state of the ISP according to a signal applied from the detector(15) and controls the entire operations for inputting/outputting the data with the ISPs according to a transmission path stored in the memory(13) by connecting the internal IPs with the external IPs according to the connection state of the ISP.
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