Cisco ACI(Application Centric Infrastructure), the industry-leading Software-Defined Networking(SDN) solution, facilitates application agility and data center automation with two important concepts from Software-Defined Networking (SDN) solution, overlays and centralized control. ACI is a is a well defined architecture with centralised automation and policy-driven application profiles. ACI uses a centralised controller called the Application Policy Infrastructure Controller (APIC),It is the controller that creates application policies for the data center infrastructure.
