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OSI/AS Management Programming Manual

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Programmatic Commands
Introduction
1–8 056785 Tandem Computers Incorporated
Programmatic
Commands
Like all other subsystems that support DSM, OSI/AS defines a set of object types—the
kinds of objects that can be managed by OSI/AS—and a set of commands that can be
performed on objects of these types.
Object Types The OSI/AS object types are:
SUBSYS
PROCESS
ENTRY
SERVICE
PROFILE
SU
In addition, a null object type is provided for those commands that do not require
specification of a particular object type.
SUBSYS
A SUBSYS (subsystem) object is an entire OSI/AS subsystem. Its name is the name of
the OSI manager process that controls that subsystem.
PROCESS
A PROCESS object is one of the processes that make up OSI/AS or one of its
supporting subsystems. Four types of PROCESS object are defined for OSI/AS: OSI
manager, TAPS, TSP, and NSP.
ENTRY
An ENTRY object specifies an entry in the Management Information Base (MIB).
PROCESS objects allow you to register the following items with the OSI manager
process (that is, to enter them into the MIB): TAPS, TSP, and NSP processes; local and
remote addresses; application entity titles; and locally defined application names. In
addition, the OSI manager process uses the information in ENTRY objects to select
protocol processes and to set connection attributes at different protocol layers.
OSI/AS defines four types of ENTRY object: subnetwork point of attachment (SNPA),
network service access point (NSAP), transport selector (TSEL), and application
(APPL).
SERVICE
A SERVICE object is a set of default values for protocol configuration parameters and
thresholds within the Network, Transport, Session, Presentation, and Application
(ACSE) Layers of your OSI/AS subsystem. Five SERVICE objects exist:
The L3 SERVICE, for Network Layer protocol parameters and thresholds
The L4 SERVICE, for Transport Layer protocol parameters and thresholds
The L5 SERVICE, for Session Layer protocol parameters and thresholds
The L6 SERVICE, for Presentation Layer thresholds