Method and system for transport protocol reconstruction and timer synchronization for non-intrusive capturing and analysis of packets on a high-speed distributed network

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United States of America Patent

PATENT NO 7349400
APP PUB NO 20040218532A1
SERIAL NO

10427182

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Abstract

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A transport protocol data flow reconstruction method delays determination that a missing packet is lost for a period of time. For an evaluated TCP packet in a first direction, the method determines if a TCP packet is missing in a second direction, in which case the method stores the evaluated TCP packet in a list and creates an acknowledgement timer indicating a maximum time to wait until treating the missing TCP packet as lost. Expiration of the acknowledgment timer indicates a missing packet in the second direction. The method determines if a TCP packet is missing in the first direction, in which case the method stores the evaluated TCP packet in the list and creates a retransmission timer indicating a maximum time to wait until treating the missing TCP packet as lost. Expiration of the retransmission timer indicates a missing packet in the first direction.

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Patent Owner(s)

Patent OwnerAddress
NARUS INC570 MAUDE COURT SUNNYVALE CA 94085

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Khirman, Stanislav Sunnyvale, CA 4 124

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