Embodiments of a distributed instant messaging system that uses {TAIL ~ a distributed index} in {HEAD ~ peer} to peer networks 
Embodiments of a distributed instant messaging system that uses { TAIL ~ a distributed index } in { HEAD ~ peer } to peer networks
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH