Which function does the Lockstep Gateway serve?

A.
The Lockstep Gateway process is called by DoLockstep to start the lockstep transaction that it
then sends to RDF extractor.

B.
The application sends the lockstep transaction to the Lockstep Gateway process, which sends
this transaction to the RDF extractor.

C.
The application sends the lockstep transaction to the Lockstep Gateway process, which sends
this transaction to the RDF receiver for the highest performance.

D.
The Lockstep Gateway process is started by RDF to coordinate the lockstep operation.