DeduBS: a duplicate eliminating remote backup system based on hash matching
Liu Jing-y · Journal of Hebei University of Technology · 2015
With data increasing, network bandwidth has become a bottleneck in remote data backup system. A new duplicate eliminating remote backup system is proposed based on Hash matching: Dedu BS. DeduB S improves the efficiency of network transmission by deduplication. In Dedu BS, a Hash library is established in both the source node and the destination node to store all data blocks Hash value. Before being transferred, the data will be judged whether it is duplication or not by its Hash value. Only the non-duplicate and the Hash value of duplicate are transferred in Dedu BS. Experiment shows that the Dedu BS can transfer less data and save the cost and energy of backup system, thus improving network utilization.