NET/MASTER Network Control Language (NCL) Programmer's Guide

Glossary
Glossary–18 106160 Tandem Computers Incorporated
manager. A process to which command messages for associated subjects are routed. In
event messages, the managers make subjects of the same name unique. The
ZEMS-TKN-MANAGER token contains the manager.
map. A set of definitions used by Mapping Services that together describe the entire
structure of some item of data.
map definition record. A record in the NonStop NET/MASTER MS map file that
describes the structure of a map.
map file. The disk file that holds all the definitions of all maps known to NonStop
NET/MASTER MS.
map header. The beginning of a map. A map header consists of two parts: a length
field and a key field.
mapped data. Data that are structured in a predefined way by using a map.
mapped data object (MDO) variable. A variable containing a data structure that Mapping
Services can understand using a map.
mapped UDB. A user database where data is mapped. Components of the map describe
the length of the data in a record and the fields. The default map used by NCL is
called $NCL.
Mapping Services. A proprietary architecture that allows data to be represented in a
tokenized form suitable for passing between network management platforms.
mask. A string of characters used as the basis of comparison with another string of
characters.
MDO variable. See mapped data object (MDO) variable.
menu. A screen display that allows you to select an option to access a function.
Message Services. The NonStop NET/MASTER MS service that controls message flow
within NonStop NET/MASTER MS.
message action rule. An RMS rule that governs how a message handler acts in response
to a set of messages.
message delivery philosophy. One of the control options of an RMS ruleset. The
philosophy determines how a message handler handles the delivery of the messages
that are not accounted for by a rule. The message handler can either deliver or
suppress the messages.
message display area. The area of an OCS window that displays NRD messages and
roll-delete messages.
message group rule. An RMS rule that contains a set of message action rules as its
members and is triggered only when all the rule members are in a triggered state.
message handler. An NCL procedure that processes messages and takes actions
according to a set of RMS rules.