Each timing server is further configured to store a unique constant and to independently and automatically select one or more timing servers from among {HEAD ~ the multiple pluralities} of {TAIL ~ timing servers} to be timing masters 
of
Each timing server is further configured to store a unique constant and to independently and automatically select one or more timing servers from among { HEAD ~ the multiple pluralities } of { TAIL ~ timing servers } to be timing masters
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 HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH