Cloud storage       

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Cloud storage - overview


As digital data storage becomes increasingly vast and sensitive — particularly for businesses — new challenges are developing when it comes to ensuring reliable and secure data availability. Storage subsystems must be enhanced to protect against errors that can occur in increasingly large storage systems while sustaining the enormous throughput and low-latency offered by solid-state storage.

Future storage systems must scale to enable Big Data analytics and cognitive applications while still being cost-efficient by storing data according to its value. This requires flexible and easy-to-use, multi-tiered storage systems that incorporate technologies such as flash, hard-disk drives and magnetic tapes. Furthermore, caching technologies and flash memory management in virtualized and distributed storage environments must be advanced.

New storage-class memory technologies such as phase change memory (PCM) must be integrated into existing storage stacks.