Unidirectional gateway mediated multiplexing of concurrent data message streams

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United States of America Patent

PATENT NO 11811738
SERIAL NO

17651387

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method includes a processor in a trusted domain receiving a first request having a plurality of messages for a device in an untrusted domain. The processor assigns a memory location having data segments and status segments. The memory location is accessible by an untrusted side interface card. The processor transmits a first message to a first data segment. The processor receives a first value associated with the first message from a first status segment. The processor determines whether the first value indicates that the first message has been received and stores a first representation of a successful data transmission. The processor transmits a second message to a second data segment. The processor retrieves a second value from the second status segment. The processor determines whether the second value indicates that the second message has been received and stores a second representation of the successful data transmission.

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Patent Owner(s)

  • OPSWAT INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Banciu, Cosmin Raleigh, US 3 1
Chaliavski, Tzvetan Arlington, US 3 1
Curry, John New River, US 17 92

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