The distributed index may be used, for example, to route messages between participating peers, in identifying and authenticating peers wishing to participate, in notifying {HEAD ~ peers} of {TAIL ~ newly joined peers}, and in notifying joining peers of participating peers 
of
The distributed index may be used , for example , to route messages between participating peers , in identifying and authenticating peers wishing to participate , in notifying { HEAD ~ peers } of { TAIL ~ newly joined peers } , and in notifying joining peers of participating peers
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 OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH