Communication path control device, communication path control method, and communication path control unit
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United States of America Patent
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May 6, 2003
Grant Date -
N/A
app pub date -
Mar 15, 1999
filing date -
Mar 7, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A data path control device with a first interface section for connecting to a LAN, second interface section for connecting to an external network through a small transmission capacity two-way line such as a telephone line, and third interface section for receiving a large capacity data from a large transmission capacity one-way line such as a satellite broadcast line. The data path control device changes the sender address of the data transmitted from a computer to a network based on a previously set correspondent relationship, thereby controls the path so that the large capacity data from the network is transmitted through the large transmission capacity one-way line. A path of the reply data from a network responsive to the request data from a computer outputted to an external network is selected by the computer side, and in the case that the reply data is composed of large capacity data, a satellite line having a large transmission capacity can be selected.
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