On interfaces where the best forwarding path fee routes is through the receiving interface

On interfaces that are user access interfaces

On interfaces where all data originates on the same network as that of the router interface

On interfaces that participate in multihomes environments

cSRX instances launch faster than vSRX instances

cSRX instances share the host OS unlike vSRX instances.

A cSRX instance uses more memory but uses less disk space than a vSRX instance

A cSRX instance supports more features than a vSRX instance

bare metal server to VM

private VLAN

intra-server traffic

management