A、JUNOS Software for security platforms supports NAT and PAT； a traditional router does not support NAT or PAT.

B、JUNOS Software for security platforms does not forward traffic by default； a traditional router forwards traffic by default.

C、JUNOS Software for security platforms uses session-based forwarding； a traditional router uses packet-based forwarding.

D、JUNOS Software for security platforms performs route lookup for every packet； a traditional router performs route lookup only for the first packet.