How does Enginuity Consistency Assist (ECA) differ from power path?

A.
ECA supports TimeFinder/Clone only; power path supports TimeFinder/Clone and TimeFinder/Snap.

B.
ECA cannot support I/O for multiple hosts, but power path can.

C.
ECA supports I/O at the Symmetix level power pathsupport I/O at the host level

D.
ECA supports I/O at the host level power path support I/O at the Symmetric level