DNA Controller - Enterprise SDN Controller (e.g. DNA Center) provides GUI management and abstraction via Apps that share context Identity Services - External ID System(s) (e.g. ISE) are leveraged for dynamic Endpoint to Group mapping and Policy definition Analytics Engine - External Data Collector(s) (e.g. NDP) are leveraged to analyze Endpoint to App flows and monitor fabric status Reference: https://www.cisco.com/c/dam/global/da_dk/assets/training/seminaria- materials/Software_Defined_Access_2017.pdf