{HEAD ~ The memory sharing arrangement} provides {TAIL ~ a separate high speed data transfer mechanism} between the PLCs and the DSP 
provides
{ HEAD ~ The memory sharing arrangement } provides { TAIL ~ a separate high speed data transfer mechanism } between the PLCs and the DSP
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH