Infoblox DDI can be used as a DHCP server, DNS server agent, gateway, and access management tool.
Infoblox DDI is the best because it gives you AD authentication as well as group authentication. The solution's policies and features are good, and you can use it to configure a DNS server in one box. With the help of Infoblox DDI, you can use the control management portal and give access to one time passwords.
My environment didn't have user management, IDM access, IAM access, or identified access management. One of the benefits of implementing Infoblox DDI is that it supports both RADIUS and TACACS+. If some devices don't support RADIUS, you can use it with TACACS+ and vice versa. The solution handles these two features very well. The solution has good scalability and availability.