13.3 INTERNET SCSI
Along with its superb performance and expansion capabilities, Fibre Channel comes with major drawbacks: Its hardware components are costly, and the Fibre Channel protocol presents a formidable learning curve. These factors, along with the continuous improvements taking place in less expensive technologies, are providing fertile ground for the growth of several alternatives for high-performance enterprise storage. One of the most widely heralded is Internet SCSI (iSCSI), which capitalizes on well-understood Internet and LAN protocols to provide fast, reliable transport services for SCSI commands and data.
The general idea behind iSCSI is to replace the SCSI bus with the Internet, as shown in Figure 13.10. Although the concept ...
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