Security needs to be improved. They have some security, however, additional security functions are not available. 

The setup can be complex. 

Security is an area that could use some work. When compared to Versa, it has full Layer Seven security built-in, whereas Nuage is sticking to a stateful firewall model and allowing other vendors to do sassy, with them simply being the SD-WAN underlay of sassy. I believe they are a little behind in their thought process.

• Educational materials should be available for such a mature system!
• No open-user group like VMUG for example
• More certified integration will be a plus.