The method 1, wherein the launching a plurality of {HEAD ~ collaboration servers} is performed by {TAIL ~ one or more process managers} 
The method 1 , wherein the launching a plurality of { HEAD ~ collaboration servers } is performed by { TAIL ~ one or more process managers }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL