iSCSI
RFC 3720 iSCSI: Internet SCSI (Small Computer System Interface) protocol. A means of transporting SCSI packets over TCP/IP (see RFC791, RFC793, RFC1035, RFC1122), providing for an interoperable solution which can take advantage of existing Internet infrastructure, Internet management facilities, and address distance limitations.
Storage Area Networks use iSCSI to present storage to a host or group of hosts.