According to Broder’s theorem, k leastsized fingerprints are selected as the Superchunk features and send to the storage node. 1)Superchunk is used as the basic unit of data routing to improve system throughput. Therefore, this paper proposes a data routing strategy based on distributed Bloom Filter. The application of data routing strategy can well balance the problem of deduplication rate and load balancing. However, the cluster data duplication technology also brings new issues on deduplication rate reduction and load balancing of storage nodes. Compared with limited storage capacity and computing capacity of a single node, cluster data deduplication technology has great advantages. The application of data deduplication technology reduces the demand for data storage and improves resource utilization.
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