Home > Data Protection > PowerProtect DD Series Appliances > Dell PowerProtect Data Domain SISL Scaling Architecture > Conclusion
Deduplication can help gain an order of magnitude more data reduction than traditional local compression such as LZ, gzip or gzfast for backup users. But to be cost-neutral when compared to tape automation, the deduplication system needs to be CPU-centric and require very few disk accesses, so that it can be built with the minimum number of low-cost, high- capacity disks. In SISL, Data Domain has developed a proven architecture to deliver high-throughput deduplication storage systems with economical storage hardware. Over time, this will allow the continued scaling of CPUs to add direct benefit to system scalability.