{HEAD ~ The IOC} that performs {TAIL ~ these functions} is referred to as a FAST IOC 
performs
{ HEAD ~ The IOC } that performs { TAIL ~ these functions } is referred to as a FAST IOC
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH