LU 6.2 API Application Programmer's Reference Guide (30294-90008)

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Physical Unit: An SNA term
that refers to the software and
hardware that controls the
resources of a node.
PU: See Physical Unit.
PU 2.0: See Node Type 2.0.
PU 2.1: See Node Type 2.1.
R
Receive state: The conversation
state from which a TP can receive
information from the remote TP.
remote TP: The TP running on
the remote processor.
Reset state: The conversation
state from which a TP can
allocate a mapped conversation.
S
Send state: The conversation
state from which a TP can send
data or request confirmation.
session: The logical connection
between two logical devices in an
SNA network.
Systems Network
Architecture (SNA): IBM's
comprehensive specification for
data communications networks.
synchronization level: A term
that refers to the amount of
synchronization information
(confirmation requests and
responses) that can be sent in a
conversation.
T
transaction program (TP): An
application program that
processes distributed
transactions.
two-way conversation: A
conversation in which data is sent
and received by both TPs.
U
UDC: User-Defined Command.
An MPE feature that allows a
user to create file of commands to
be executed as a single program
when the user types a command.
UDCs are set with the MPE
SETCATALOG command
V
verbs: The programmatic
implementation of functions and
protocols in a conversation
between transaction programs.