Hi dev0,

Glad you enjoyed the blog, have you had a chance to read this document yet:

https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-8/b_c9800_wireless_controller_virtual_dg.html?referring_site=RE&pos=1&page=https://www.cisco.com/c/en/us/products/collateral/wireless/catalyst-9800-cl-wireless-controller-cloud/nb-06-cat9800-cl-cloud-wirel-data-sheet-ctp-en.html

It is the Cisco Catalyst C9800-CL Wireless Controller Virtual Deployment Guide and should be able to answer all of your questions.

Thanks!