OSI/FTAM Programming Reference Manual

Glossary
HP NonStop OSI/FTAM Programming Reference Manual—528611-001
Glossary-16
NIST (National Institute of Science and Technology).
NIST (National Institute of Science and Technology). A U.S. government institution,
formerly known as the National Bureau of Standards (NBS), that sets standards and
promotes their acceptance.
node. (1) The basic building block of the FTAM hierarchical file structure.
(2) A NonStop system that is part of an Expand network.
node descriptor. The part of an FTAM-2 FADU that contains information identifying the
node within the FTAM hierarchical file structure.
node name. The part of a node descriptor that names the node. See node descriptor.
nonsensitive command. An SCF command that can be issued by any user or program
allowed access to the target subsystem—that is, a command on which the subsystem
imposes no further security restrictions. For NonStop data communications
subsystems, the nonsensitive commands are all those that cannot change the state or
configuration of objects (usually information commands). Contrast with sensitive
command.
NonStop FTAM (File Transfer, Access and Management). The NonStop implementation
of the ISO FTAM standard that provides the ability to manipulate files between local
and remote file stores on a network.
NonStop OSI/AS. See OSI/AS (Application Services).
NonStop OSI/FTAM. See NonStop FTAM (File Transfer, Access and Management).
NonStop OSI/TS. See OSI/TS (Transport Services).
NonStop process pair. See process pair.
NonStop SQL (Structured Query Language). The NonStop product that provides
configuration and management of relational databases that conform to the SQL
(structured query language) standard. See SQL (structured query language).
nowait mode. In Guardian file-system operations and in some APS operations, the mode in
which the called procedure initiates an I/O operation but does not wait for it to complete
before returning control to the caller. The application calls a separate procedure
(MFM_AWAITIOX_) to wait for the completion of the operation. Contrast with wait
mode.
NSAP (network service access point). The logical point at which Network Layer services
are provided by the Network Layer entity to the Transport Layer entity.
NSP (network service provider) process. A process in the NonStop OSI implementation
that performs service and protocol functions for the Network Layer and, for LANs,
some functions of the Data Link Layer. NSP processes are provided by the underlying
X25AM and TLAM subsystems. See also TSP (transport service provider) process.
and TAPS (Tandem application, presentation, and session) process.