{HEAD ~ The only elements} in {TAIL ~ the FC SAN} which require modification to support the FAST protocol are the FAST IOC and FAST switch 
{ HEAD ~ The only elements } in { TAIL ~ the FC SAN } which require modification to support the FAST protocol are the FAST IOC and FAST switch
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH