@article{zhao2017elastic,      title={Elastic Reliability Optimization Through Peer-to-Peer Checkpointing in Cloud Computing},      author={Zhao, Juzi and Xiang, Yu and Lan, Tian and Huang, H Howie and Subramaniam, Suresh},      journal={IEEE Transactions on Parallel and Distributed Systems},      volume={28},      number={2},      pages={491--502},      year={2017},      publisher={IEEE} }