1.1 Glossary

This document uses the following terms:

application: A participant that is responsible for beginning, propagating, and completing an atomic transaction. An application communicates with a transaction manager in order to begin and complete transactions. An application communicates with a transaction manager in order to marshal transactions to and from other applications. An application also communicates in application-specific ways with a resource manager in order to submit requests for work on resources.

Authentication Service (AS): A service that issues ticket granting tickets (TGTs), which are used for authenticating principals within the realm or domain served by the Authentication Service.

file client: An application that implements client-side file access protocol components and enables the primary actor, the user, to access the shared files on a remote file server.

file server: The service or process on a server computer that implements the server-side file access protocol components to enable remote file sharing for the file clients.

high-availability share: A share that supports continuous availability of data by storing copies of that data on multiple hosts.

open: A runtime object that corresponds to a currently established access to a specific file or a named pipe from a specific client to a specific server, using a specific user security context. Both clients and servers maintain opens that represent active accesses.

small computer system interface (SCSI): A set of standards for physically connecting and transferring data between computers and peripheral devices.

user: The real person who has a member account. The user is authenticated by being asked to prove knowledge of the secret password associated with the user name.

virtual disk: A disk that does not have a physical mechanical counterpart to it, and is not exposed as a hardware array LUN. It is a disk that uses a file to store its data. When this file is exposed to the operating system as a disk device, the exposed disk device emulates and, for all intents and purposes, behaves like a physical disk.

virtual disk file: The file that is the backing store for a virtual disk. This file may be exposed to an operating system as a disk device. The exposed disk device is referred to as a virtual disk.