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Glossary
OSI/FTAM Responder Manual—425199-001
Glossary-24
status. A Compaq procedure completion code that indicates the outcome of a call.
This code can assume one of nine values.
storage group. File attributes that provide information about a file and the data stored in
it. These attributes are negotiated at association establishment. The storage-group
attributes include the following:
•
Storage account
•
Date and time of creation
•
Date and time of last modification
•
Date and time of last read access
•
Date and time of last attribute modification
•
Identity of creator
•
Identity of last modifier
•
Identity of last reader
•
Identity of last attribute modifier
•
File availability
•
File size
•
Future file size
string-significance parameter. A parameter of contents-type. This parameter applies to
the semantics of the file transfer. The values of this parameter are fixed, variable, and
not-significant. See also maximum-string-length parameter, relaxation, and contents-
type parameter.
structured query language. See SQL.
subdevice. A logical entity maintained by a Compaq subsystem to provide access to a
physical connection—that is, to a communications line. There may be one or many
subdevices associated with a given line or process. Exactly what constitutes a subdevice
differs depending on the subsystem. In OSI subsystems, a subdevice allows
communication between a process at a particular OSI layer, such as an FTAM initiator
or responder, and the local Compaq OSI server process (TAPS, TSP, or NSP) that
provides the services of the next lower layer. Each initiator subdevice handles one
association or (at layers below ACSE) one connection. Each responder subdevice
handles one attach, which is used to establish an association requested by a remote
application.
A Compaq FTAM initiator subdevice is created dynamically when an association is
established and usually lasts only as long as the association exists. A Compaq FTAM
responder subdevice is created when the responder issues an attach.
subsystem. (1) A term that generally defines the Compaq software or hardware
facilities that provide users with access to a set of services and other resources.
(2) In the context of DSM, a program or set of processes that manages a cohesive set of