All four models can be deployed as guest virtual machines on VMware ESXi and vCloud Air, Citrix NetScaler SDX, Amazon Web Services, KVM and KVM in OpenStack, and Microsoft Hyper-V and Azure; on VMWare NSX, only the VM-1000-HV is supported. The software package (
file) that is used to deploy the VM-Series firewall is common across all models.
When you apply the capacity
on the VM-Series firewall, the model number and the associated capacities are implemented on the firewall. Capacity is defined in terms of the number of sessions, rules, security zones, address objects, IPSec VPN tunnels, and SSL VPN tunnels that the VM-Series firewall is optimized to handle. To make sure that you purchase the correct model for your network requirements, use the following table to understand the maximum capacity for each model and the capacity differences by model: