Fatiha Bouabache Thomas Hérault Gilles Fedak Franck Cappello Hierarchical replication techniques to ensure checkpoint storage reliability in grid environment. 939-940 2008 AICCSA http://dx.doi.org/10.1109/AICCSA.2008.4493654 conf/aiccsa/2008 db/conf/aiccsa/aiccsa2008.html#BouabacheHFC08