Sandip Agarwala Arnab Paul Umakishore Ramachandran Karsten Schwan e-SAFE: An Extensible, Secure and Fault Tolerant Storage System. 257-268 2007 conf/saso/2007 SASO http://doi.ieeecomputersociety.org/10.1109/SASO.2007.21 db/conf/saso/saso2007.html#AgarwalaPRS07