MEASURING PACKET RESIDENCY AND TRAVEL TIME

The disclosure sets forth techniques, devices, systems, and methods for measuring a packet residency time in a network device. In some aspects, a network flow measurement protocol includes data fields in flow data records exported to a traffic collector, including a packet ingress time and a packet...

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Hauptverfasser: POORNACHARY, Manikandan Musuvathi, KINI, Vasanthi N
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The disclosure sets forth techniques, devices, systems, and methods for measuring a packet residency time in a network device. In some aspects, a network flow measurement protocol includes data fields in flow data records exported to a traffic collector, including a packet ingress time and a packet egress time. The data fields allow the calculation of the packet residency time within a network device, as well as the time required for the packet to traverse between two network devices in the network. A filter can be installed on one or more network devices in a network. For packets that match the filter criteria, the network device records the times of packet arrival and packet departure, and, in some aspects, a packet residency time of the packet with the network device. The network device exports the flow data record pertaining to this packet to a traffic flow data collector.