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Method and System for Transport Protocol Reconstruction and Timer Synchronization for Non-Intrusive Capturing and Analysis of Packets on a High-Speed Distributed Network
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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机译:高速分布式网络上用于非侵入式捕获和分析数据包的传输协议重构和计时器同步的方法和系统
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摘要
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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