Bidirectional gateway with enhanced security level
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United States of America Patent
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Mar 12, 2013
Issued Date -
N/A
app pub date -
Oct 21, 2008
filing date -
Oct 23, 2007
priority date (Note) -
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Abstract
A bidirectional gateway with enhanced security level between a high-security communication network and a low-security communication network. The return pathway from the low-security network to the high-security network comprises a low-speed link. The physical layer of the low-speed link differs from the physical layers involved in the high-security network and the low-security network. The low-speed link having a linking layer according to a protocol differing from the protocols used on the linking layers used on the high-security network and the low-security network. The linking layer of the low-speed link has an authentication protocol to guarantee the data's origin.
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