@proceedings {71, title = {Evaluating A Distributed Identity Provider Trusted Network With Delegated Authentications For Cloud Federation}, journal = {The Second International Conference on Cloud Computing, GRIDs, and Virtualization (Cloud Computing 2011), 30 Settembre 2011, Rome, Italy}, year = {2011}, month = {2011}, pages = {79{\textendash}85}, publisher = {IARIA}, author = {Antonio Celesti and Francesco Tusa and Massimo Villari and Antonio Puliafito} }