An apparatus is provided for an exemplary fail operational global time reference for a redundant synchronous data bus system including multiple pluralities of {HEAD ~ timing servers} cross coupled between {TAIL ~ a plurality} of buses in the redundant synchronous data bus system 
cross coupled between
An apparatus is provided for an exemplary fail operational global time reference for a redundant synchronous data bus system including multiple pluralities of { HEAD ~ timing servers } cross coupled between { TAIL ~ a plurality } of buses in the redundant synchronous data bus system
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 REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH