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September 2017, Vol. 16, No. 7

How NVMe over Fabrics will change the storage environment

Storage networks started becoming popular in the late 1990s and early 2000s with the widespread adoption of Fibre Channel technology. For those who didn't want the expense of installing dedicated Fibre Channel hardware, the iSCSI protocol provided a credible Ethernet-based alternative a few years later. Both transports rely on the use of SCSI as the storage protocol for communicating between source (initiator) and storage (target). As the storage industry moves to adopt flash as the go-to persistent medium, we're starting to see SCSI performance issues. This has led to the development of NVMe, or nonvolatile memory express, a new protocol that aims to surpass SCSI and resolve performance problems. Let's take a look at NVMe and how it differs from other protocols. We'll also explore how NVMe over Fabrics changed the storage networking landscape. How we got here Storage networking technology is based on the evolution of storage hardware and the need for consolidated and centralized storage. We can trace Fibre Channel's origins ...

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