HP StorageWorks 1510i Modular Smart Array iSCSI concepts and deployment guide (431338-002, July 2008)

Portal Groups — a set of network portals within a network entity that share network connections and can
collectively coordinate an iSCSI session.
Target Portal Group — Although iSCSI initiators and iSCSI targets use portal groups to coordinate iSCSI
sessions, only target portal groups are used directly in the iSCSI protocol.
Target Portal Group Tag (TPGT) — iSCSI portal groups that are associated with target nodes are identified
by a numerical target portal group tag ranging from 0 to 65535.
Target Session Identifying Handle (TSIH) — a tag generated by an iSCSI target to identify an iSCSI
sessionwithaspecific iSCSI initiator. The TSIH is generated during session establishment.
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iSCSI overview