Instead of configuring VLANs or ACLs on individual switches, you define "policies" in the APIC that automatically propagate across the entire fabric. Key Concepts & Terminology
Cisco is a software-defined networking (SDN) solution designed for data centers. It shifts network management from a traditional hop-by-hop configuration to a centralized, policy-based model where the needs of the application define how the network behaves. Core Components Cisco ACI
The "brains" of the operation. It is a centralized software controller that manages automation, policy enforcement, and health monitoring. Instead of configuring VLANs or ACLs on individual