1. “Apache Cassandra,” URL: http://cassandra.apache.org/, Jan. 2016.
2. “Atlas Home Page” , URL: http://math-atlas.source-forge.net/, Jan. 2016.
3. G. Ballard, E. Carson, N. Knight, Algorithmic-based fault tolerance for matrix multiplication on amazon ec2, 2010.
4. On the scheduling of checkpoints in desktop grids;Bouguerra,2011
5. “Cloud Computing Tren ds: 2016 State of the Cloud Survey,” URL: http://www.rightscale.com/blog/cloud-industry-insights/cloud-computing-trends-2016-state-cloud-survey, sep. 2016.