In Open Replicator, what does the pace value regulate?

In Open Replicator, what does the pace value regulate?

A.
Replication speed of an Open Replicator Session

B.
Director port bandwidth on the controlling DMX available for Open Replicator expressed as a percent value

C.
Director port bandwidth on the remote array available for Open Replicator expressed as a percent value

D.
Director port bandwidth on the controlling DMX available for host I/O expressed as a percent value