All messages are in this manner effectively queued, and {HEAD ~ the maximum network transmission delay} is {TAIL ~ a relatively low and bounded quantity} 
All messages are in this manner effectively queued , and { HEAD ~ the maximum network transmission delay } is { TAIL ~ a relatively low and bounded quantity }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL