Pipeline chaining

Some embodiments provide a network forwarding integrated circuit (IC) for processing network packets. The network forwarding IC includes multiple packet processing pipelines and a traffic management unit. Each pipeline is configured to operate as an ingress pipeline and an egress pipeline. The traff...

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Bibliographische Detailangaben
Hauptverfasser:	Ferrara, Michael Gregory, Chang, Remy, Peterson, Jay Evan Scott, Bosshart, Patrick
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PHYSICS SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	Some embodiments provide a network forwarding integrated circuit (IC) for processing network packets. The network forwarding IC includes multiple packet processing pipelines and a traffic management unit. Each pipeline is configured to operate as an ingress pipeline and an egress pipeline. The traffic management unit is configured to receive a packet processed by an ingress pipeline and to enqueue the packet for output to a particular egress pipeline. A set of packets received by the network forwarding IC are processed by a first pipeline as an ingress pipeline and a second pipeline as an egress pipeline, then subsequently processed by the second pipeline as an ingress pipeline and a third pipeline as an egress pipeline.