Thanasis Loukopoulos Nikos Tziritas Petros Lampsas Spyros Lalis Implementing Replica Placements: Feasibility and Cost Minimization. 1-10 2007 conf/ipps/2007 IPDPS http://dx.doi.org/10.1109/IPDPS.2007.370316 db/conf/ipps/ipdps2007.html#LoukopoulosTLL07