It may be {HEAD ~ any type} of link that is dynamically allocated in {TAIL ~ terms} of bandwidth, data rate, modulation or otherwise 
It may be { HEAD ~ any type } of link that is dynamically allocated in { TAIL ~ terms } of bandwidth , data rate , modulation or otherwise
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH