Markus Junginger Yugyung Lee The Multi-Ring Topology - High-Performance Group Communication in Peer-to-Peer Networks. 49-56 2002 conf/p2p/2002 Peer-to-Peer Computing http://csdl.computer.org/comp/proceedings/p2p/2002/1810/00/18100049abs.htm db/conf/p2p/p2p2002.html#JungingerL02