How is Open Replicator licensed?

A.
Licenses are per-system and are priced by the raw capacity of the array. This is required
for the control array only.
B.
Licenses are per host and are priced based on an agent license that is entered via
command line.
C.
Licenses are per-system and are priced by the raw capacity of the array. This is required
for both the remote and control arrays.
D.
Licenses are per host and are priced based on the amount on the total amount of
storage capacity that is mapped to an FA port.