HP-UX iSCSI Software Initiator Support Guide, HP-UX 11i v1 and 11i v2, July 2005

Appendix F
Glossary
Terminology
121
Session - The iSCSI equivalent of a SCSI I-T nexus. A session must be established between an iSCSI
initiator and an iSCSI target prior to any communication.
Supported - A feature in a release for which implementation and testing for that release have been
completed.
Target Address - consists of three components, the IP address of the network portal the target uses, its TCP
port number, and its target portal group tag.
Transport Driver - A protocol specific layer combining aspects of the iSCSI Adaption Layer and the iSCSI
Transport Layer, which defines a transport technique for SCSI block IO.
Unsupported - A feature in a release for which implementation and testing of that feature is incomplete, or
a feature in a release that has been declared “unsupported” by Hewlett-Packard.
User Agent - A process working on the user’s behalf to establish contact with some service. The UA retrieves
service information from the Service Agents or Directory Agents.