Cisco DNA Center in a Cisco SD-Access deployment is responsible for the design, management, deployment, provisioning, and assurance of the fabric network devices. It automates the creation of virtual networks with integrated security and segmentation, reducing operational expenses and risk. The Cisco DNA Center provides network performance insights and telemetry through its Assurance and Analytics capabilities12. References: Cisco SD-Access Solution Design Guide (CVD)1, Software-Defined Access & Cisco DNA Center Management Infrastructure