Customers with a wired network based on SD-Access fabric have two options for integrating wireless access: + SD-Access Wireless Architecture + Cisco Unified Wireless Network Wireless Over the Top (OTT) OTT basically involves running traditional wireless on top of a fabric wired network. Why would you deploy Cisco Unified Wireless Network wireless OTT? There are two primary reasons: ... 2. Another reason for deploying wireless OTT could be that customer doesn't want or cannot migrate to fabric for wireless. Reference: https://www.cisco.com/c/dam/en/us/td/docs/cloud-systems-management/network- automation-and-management/dna-center/deploy-guide/cisco-dna-center-sd-access-wl-dg.pdf