In fact, if {HEAD ~ a server} hosting or participating in {TAIL ~ a conference malfunctions}, the failure is detected by other server computers and the client computer is able to reconnect to the conference through a new server computer 
In fact , if { HEAD ~ a server } hosting or participating in { TAIL ~ a conference malfunctions } , the failure is detected by other server computers and the client computer is able to reconnect to the conference through a new server computer
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH