In practice, to get high-levels of performance, it is advised that system designers consider iSCSI Host Bus Adaptors (HBAs) for each iSCSI participating team, and that the network at a minimum have a separate VLAN for iSCSI traffic–or more ideally, have separate physical network. This means that the same network equipment used for routing user data on a network could be utilized for the storage as well. Instead of having to setup a separate fibre-channel network for the SAN, or invest in the infrastructure to run Fibre-Channel over Ethernet (FCoE), iSCSI runs on top of standard TCP/IP. ISCSI is often touted as a low-cost replacement for fibre-channel (FC) Storage Area Networks (SANs).
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