What would be the benefit of upgrading from smart defense to IPS r 70?

What would be the benefit of upgrading from smart defense to IPS r 70?

A.
The Smart Defense is replaced by the technology of IPS-1

B.
The Smart defense technology expands IPS -1 to IPS R 70.

C.
Completely rewritten engine provides improved security performance and reporting.

D.
There is no difference-IPS R71 is new name