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+The Open-iSCSI project is a high-performance, transport independent,
+multi-platform implementation of RFC3720 iSCSI.
+
+Open-iSCSI is partitioned into user and kernel parts.
+
+The kernel portion of Open-iSCSI is a from-scratch code
+licensed under GPL. The kernel part implements iSCSI data path
+(that is, iSCSI Read and iSCSI Write), and consists of three
+loadable modules: scsi_transport_iscsi.ko, libiscsi.ko and iscsi_tcp.ko.
+
+User space contains the entire control plane: configuration
+manager, iSCSI Discovery, Login and Logout processing,
+connection-level error processing, Nop-In and Nop-Out handling,
+and (in the future:) Text processing, iSNS, SLP, Radius, etc.
+
+The user space Open-iSCSI consists of a daemon process called
+iscsid, and a management utility iscsiadm.
+
+NOTE:
+open-isns is a build-time requirement, not a a run-time requirement.