High performance computing on a large-scale computational grid is complicated by the heterogeneous computational capabilities of each node, node unavailability, and unreliable network connectivity. Replicating computation on multiple nodes can significantly improve performance by reducing task completion time on a grid
Citation:
Yaohang Li, Michael Mascagni, "Improving Performance via Computational Replication on a Large-Scale Computational Grid," ccgrid, pp.442, Third IEEE International Symposium on Cluster Computing and the Grid (CCGrid'03), 2003