@Article {JPS.SysJrnl2012,
    author = {R. Jhawar, V. Piuri and M. Santambrogio},
    title = {Fault Tolerance Management in Cloud Computing: A System-Level Perspective},
    journal = {IEEE Systems Journal},
    volume = {7},
    number = {2},
    pages = {288--297},
    month = {June},
    year = {2013}
}