Before deploying a virtualized CGNAT, you should ask yourself several important questions like plan networking capacity, hardware and virtualized environment, and licensing. Because virtualized solutions are much more flexible and scalable, you don't need to overprovision the capacity of the solution, and buy exactly what you currently need.
Check our step by step guide "Your Introduction to Planning and Deploying CGNAT" to learn how to prepare and deploy virtualized CGNAT solutions in your network.