OSI/MHS Management Programming Manual

Introduction to Management Programming for
OSI/MHS
OSI/MHS Management Programming Manual—424824-001
1-2
What Is Management Programming?
by a management program that automates operator functions. In either case, the
Subsystem Programmatic Interface (SPI) is used to communicate with the subsystem.
What Is Management Programming?
Management programming is a way to automate many routine management tasks and
free human operators to do work requiring judgement and creativity.
Many tasks that a program can perform fall into one of two categories: control and
inquiry, or event management. Control and inquiry tasks use commands to change or
inquire about the configuration or status of objects in a system or network. Commands
provide a two-way interface:
•
A human operator or application program sends a command to a subsystem.
•
The subsystem performs some action and returns a response to the operator or
application.
Figure 1-1 shows the two-way command and response interface.
An event-management task retrieves information about important events that occur in a
system or network and takes appropriate action in response to those events. Event
messages provide a one-way interface:
•
Information flows from the subsystem to the operator or application program, but no
information flows in the other direction.
The OSI/MHS subsystem reports event messages and accounting messages. Figure 1-2
shows the interface for event and accounting messages.
Figure 1-1. Command and Response Interface
001CDT .CDD
Subsystem
Human Operator
Or Application Program
OSI/MHS
Command
Response