This is the ability GLBP to place a weight on each device when calculating the amount of load sharing that will occur through MAC assignment. Each GLBP router in the group will advertise its weighting and assignment; the AVG will act based on that value.
For example, if there are two routers in a group and router A has double the forwarding capacity of router B, the weighting value of router A should be configured to be double the amount of router B.
Reference:
https://www.cisco.com/c/en/us/products/collateral/ios-nx-os-software/ip- services/product_data_sheet0900aecd803a546c.html

Heat map that displays RF coverage for all 'in-scope' areas with coverage set at the target RSSI for cell edge with a signal legend.
https://www.cisco.com/c/en/us/support/docs/wireless/5500-series-wireless-controllers/116057- site-survey-guidelines-wlan-00.html

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

https://www.cisco.com/c/en/us/support/docs/security-vpn/terminal-access-controller-access- control-system-tacacs-/10384-security.html#anc25