Abstract
This chapter focuses on various storage networking topology configurations that can be implemented using different interfaces for diverse needs. Topologies do not need to be complex; however, they do need to be extensible to meet complex and diverse requirements. There should always be room for upgrades, expansion, maintenance, and management in whatever topology is implemented. From a physical networking and hardware standpoint, currently, it is relatively easy to build storage networks that consist of thousands of ports by using large port count devices. Management of the number of ports is impacted on the design and implementation. A basic and simple topology is a direct connect, also known as point-to-point, between a server and a storage device. This can be accomplished by using Fibre Channel, SATA/ATA, Serial Storage Architecture (SSA), parallel small computer system interface (SCSI) such as Ultra SCSI, Universal Serial Bus (USB), or another storage interface.
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