OSI/AS Configuration and Management Manual
Management Environment
OSI/AS Configuration and Management Manual—424119-001
2-5
DSM Management Components
DSM Management Components
The following paragraphs describe the role of SCF, SCP, EMS, and PTrace in the 
OSI/AS management environment:
•
SCF
•
SPI
•
SCP
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EMS
•
Trace Facility and PTrace
SCF
SCF (Subsystem Control Facility) is a DSM product that provides a common, 
interactive management interface for a variety of Compaq data communications 
products, including OSI/AS. You use SCF commands to configure and control OSI/AS 
objects and to obtain status information from the OSI/AS subsystem.
SCF communicates with the OSI/AS subsystem through a management process called 
the Subsystem Control Point (SCP). SCP passes the commands on to the OSI manager 
process, or applies the commands directly to the protocol processes, depending on the 
command.
SCF Command Interface
 on page 2-6 gives an overview of the SCF commands and 
objects that apply to OSI/AS. The Subsystem Control Facility (SCF) Reference Manual 
(for D-series releases) or the SCF Reference Manual for G-Series Releases describes the 
general features, syntax, and semantics of SCF. The OSI/AS SCF Reference Manual 
provides the subsystem-specific syntax and semantics.
SPI
SPI (Subsystem Programmatic Interface) is a DSM product that provides a common, 
programmatic management interface for a variety of Compaq data communications 
products, including OSI/AS. Your management application uses SPI commands and 
responses to configure and control OSI/AS objects and to obtain status information from 
the OSI/AS subsystem. SPI, like SCF, communicates with the OSI/AS subsystem 
through SCP. For more information on the programmatic management interface, see the 
OSI/AS Management Programming Manual.
SCP
SCP (Subsystem Control Point) is an intermediate process between SCF or SPI and the 
OSI/AS subsystem. It provides security by restricting access to certain commands and 
provides tracing support for OSI/AS. SCP is opened automatically by SCF and SPI.
For more details about SCP, see the SCF Reference Manual for SCP and the Subsystem 
Control Facility (SCF) Reference Manual (for D-series releases) or the SCF Reference 
Manual for G-Series Releases.










