A method and apparatus for increasing the capability of a network topology model having a plurality of nodes connected by existing links to maintain {HEAD ~ service continuity} in the presence of {TAIL ~ faults} 
A method and apparatus for increasing the capability of a network topology model having a plurality of nodes connected by existing links to maintain { HEAD ~ service continuity } in the presence of { TAIL ~ faults }
OTH OTH 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 HEAD OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL