Which SRDF/A feature takes corrective action to slow host I/O rates to match the SRDF I/O service rates?

A.
Write Pacing

B.
Write Assist

C.
Write-Protect-Bypass

D.
Redirect-on-Write

Explanation:
http://www.emc.com/collateral/TechnicalDocument/docu78897.pdf (page 275 using SRDF/A write
pacing)