Data, Control, and Management PlanesSeparation Between Data, Control, and Management PlanesInteraction Between Control, Data, and Management PlanesProtection of the Control Plane with CoPPControl Plane Packet TypesCoPP ClassificationCoPP Rate-Controlling MechanismsData Center Switch ArchitectureCut-through Switching: Performance for the Data CenterCrossbar Switch Fabric ArchitectureUnicast Switching over Crossbar FabricsMulticast Switching over Crossbar FabricsOverspeed in Crossbar FabricsSuperframing in the Crossbar FabricThe SchedulerCrossbar Cut-through Architecture SummaryOutput Queuing (Classic Crossbar)Input Queuing (Ingress Crossbar)Understanding HOLBOvercoming HOLB with VoQMultistage CrossbarCentralized Shared Memory (SoC)Multistage SoCCrossbar Fabric with SoCSoC FabricQoS FundamentalsData Center QoS RequirementsData Center RequirementsType of QoS Used in Different Data Center Use CasesTrust, Classification, and Marking BoundariesData Center QoS CapabilitiesUnderstanding Buffer UtilizationThe Buffer BloatPriority Flow ControlEnhanced Transmission SelectionData Center Bridging ExchangeECN and DCTCPPriority QueueFlowlet Switching: Nexus 9000 Fabric Load BalancingNexus QoS Implementation: The MQC ModelSummary