FalconStor File-interface Deduplication System (FDS) is the industry's first highly available NAS deduplication solution that offers extensive enterprise-level functionality. This functionality includes clustered node scalability, high performance, disk-to-disk (D2D) data protection, Symantec OpenStorage (OST ) integration, WAN-optimized replication, and global sub-block data deduplication for capacity optimization and bandwidth reduction.