APIC-EM is an SDN controller for policy based automation of the network infrastructure, simplifying deployment and network operations. The built in applications IWAN, Path Trace and Plug and Play support enterprise routers, switches and Access Points.

What is the APIC-em using to communicate with the devices in the network topology?

APIC-EM is an SDN controller that was created for Enterprise hardware. It uses a REST API for the northbound API with a decent GUI. For the southbound interface, it uses common protocols like Telnet, SSH and SNMP to communicate with your hardware.

What is the difference between Cisco ACI and Cisco DNA?

Cisco ACI is an independent software-defined networking product. … Intuitive. is more like a strategy or product grouping. Cisco DNA Center is an automation and management platform that uses the new Cisco APIC, which is also used in Cisco ACI. SD-Access is another grouping of products and tools within the Network.