Security Refresh: Prevent Malicious Wear-out and Increase Durability for Phase-Change Memory with Dynamically Randomized Address Mapping

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Provided by: Association for Computing Machinery
Topic: Storage
Format: PDF
Phase Change Memory (PCM) is an emerging memory technology for future computing systems. Compared to other non-volatile memory alternatives, PCM is more matured to production, and has a faster read latency and potentially higher storage density. The main roadblock precluding PCM from being used, in particular, in the main memory hierarchy, is its limited write endurance. To address this issue, recent studies proposed to either reduce PCM's write frequency or use wear-leveling to evenly distribute writes.
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