{HEAD ~ The connections} between connection management device 20 and {TAIL ~ server} 14 are typically persistent connections 
between
{ HEAD ~ The connections } between connection management device 20 and { TAIL ~ server } 14 are typically persistent connections
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH