Three-tiered - core
Three-tiered - distribution/aggregation layer
Three-tiered - access/edge
SDN - application layer
SDN- control layer
SDN - infrastructure layer
SDN - management plane
Spine and leaf - software-defined network
Spine and leaf - top - of rach switching
Spine and leaf - Backbone
North-South traffic flow
East-West traffic flow
branch office vs. on-premises
datacenter vs. colocation
Fibre Channe
Internet Small Computer
Systems Interface (iSCSI)