The amount of data we are generating and consuming has exploded in recent years. Social media, applications, multimedia streaming, 24-hour connectivity has us talking about Zettabytes of data in the data center that folks want to not only store, but analyze and access rapidly.
SSDs were great to address mechanical inefficiencies of HDD. However, the constraints of the SCSI protocol still meant that you can only address needs one at a time since there is only one queue in which to submit read/write requests. Then came NVM Express in 2011, the industry standard for enterprise and client non-volatile memory based storage solutions over PCIe. It eliminated that constraint with the introduction of 64K queues that can handle 64K commands in each queue to lower latency dramatically.
The latest NVMe Express 1.3 continues to introduce new features to address the ferocious appetite for better latency and higher bandwidth in the data revolution from the enterprise to the client space.
Some of the ones causing a healthy buzz on the enterprise level are as follows:
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