Salvador Coll Eitan Frachtenberg Fabrizio Petrini Adolfy Hoisie Leonid Gurvits Using Multirail Networks in High-Performance Clusters. 15- 2001 conf/cluster/2001 CLUSTER http://csdl.computer.org/comp/proceedings/cluster/2001/1116/00/11160015abs.htm db/conf/cluster/cluster2001.html#CollFPHG01