In one embodiment, when {HEAD ~ some peer software} wants to accept {TAIL ~ incoming pipe messages}, the receive operation may remove a single message in the order it was received, not in the order it was sent 
wants to accept
In one embodiment , when { HEAD ~ some peer software } wants to accept { TAIL ~ incoming pipe messages } , the receive operation may remove a single message in the order it was received , not in the order it was sent
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH