Easily deploy your application in multiple regions around the world with just a few clicks. This means you can provide lower latency and a better experience for your customers at minimal cost.
https://docs.aws.amazon.com/whitepapers/latest/aws-overview/six-advantages-of-cloud- computing.html

The first ACL statement of "10 deny ip any any" will match and drop all traffic so we have to remove this statement.

Roaming is a client side decision in 802.11 WiFi. Client devices listen for beacon frames or send probe requests to discover APs advertising the preferred SSID.

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