NVMe-oC: Wolley’s New Take on CXL-Based SSDs

Vertical block diagram with a CPU at the top, a CXL link below, and a dashed-line box below that. The Dashed box contains two side-by-side devices: NVMe NAND and Memory. Two bidirectional arrows communicate from these two devices through the CXL link to the CPU. A little red arrow shows data moving directly from the NAND into the memory while bypassing CXL.With all the recent interest in CXL, and its ability to connect a processor to any memory, no matter the speed, it’s only natural that someone would try using it for SSDs.  This notion is the basis for the Memory-Semantic SSD, or MS-SSD.

But MS-SSDs suffer from the same problem as SSDs, hard drives, and other mass storage.  The basic concept requires Continue reading “NVMe-oC: Wolley’s New Take on CXL-Based SSDs”

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