The apparatus further includes an allocation circuit for executing access time allocation with respect to a packet processing time allowed for processing {HEAD ~ each} of {TAIL ~ the packets} 
of
The apparatus further includes an allocation circuit for executing access time allocation with respect to a packet processing time allowed for processing { HEAD ~ each } of { TAIL ~ the packets }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL