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System And Method For Direct Passive Monitoring Of Packet Delay Variation And Time Error In Network Packet Communications
System And Method For Direct Passive Monitoring Of Packet Delay Variation And Time Error In Network Packet Communications
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机译:在网络分组通信中直接被动监视分组时延变化和时间误差的系统和方法
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摘要
Systems and methods are disclosed for direct passive monitoring of packet delay variation and time error in network packet communications. Packets traversing between slave and master clocks are monitored to provide direct results of the actual conditions without the need to rely upon inference determinations. Certain embodiments provide tap configurations to monitor packet flows, while certain other embodiments provide in-line configurations to monitor packet flows. Certain further embodiments provide multiple monitoring devices that can be used for passive monitoring purposes, such as passive monitoring to test boundary clock. These multiple monitoring devices can be configured to be within a single or different test instruments. Other variations are also described.
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