Hubs
Just like the Spokes, the Hubs are also fully functional FortiGate devices. But unlike the Spokes, they can be deployed either on the Customer premises or on the MSSP premises. Let's describe the following most common options:
Network Security 
Network Security
NOC & SOC Management
Enterprise Networking
Business Communications
Zero Trust Access 
Cloud Security 
Hybrid Cloud Security
Cloud Native Protection
Web Application / API Protection
SAAS Security
Security Operations 
SOC Platform
Advanced Threat Protection
Endpoint Security