Network device implementing two-stage flow information aggregation

Network device implementing two-stage flow information aggregation

A network security device includes a network flow statistics processing engine to process network flow information related to network flows. The network flow statistics processing engine includes a first processing stage performing per-flow information aggregation and a second processing stage perfo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Saharia Gyanesh, Ganesh Subramani, Li Sidong, Raghunath Savitha, Roberson William A
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:A network security device includes a network flow statistics processing engine to process network flow information related to network flows. The network flow statistics processing engine includes a first processing stage performing per-flow information aggregation and a second processing stage performing per-destination system component information aggregation, with each processing stage implementing a threshold-based data export scheme and a timer-based data export scheme. In this manner, up-to-date flow information is available to peer system components regardless of the varying flow rates of the network flow.