Huawei OceanProtect utilizes source deduplication to optimize the data protection process. In traditional backup scenarios, the entire dataset is sent over the network to the backup target, which can consume significant bandwidth and time. With source deduplication, the storage system or backup agent identifies redundant data blocks at the source—before they are sent over the network.

By comparing new data chunks against a local cache of already-transmitted fingerprints, the system ensures that only unique, non-duplicate data is physically moved across the production-to-backup link. This significantly reduces network bandwidth consumption and effectively increases the logical backup bandwidth , as the system can process larger volumes of data without being limited by physical network throughput. Consequently, the backup window is shortened , allowing organizations to meet tight RPOs even in environments with limited network resources or massive data growth.