A P P E N D I X
B
StarOS Tasks
This appendix describes system and subsystem tasks running under StarOS on an ASR 5500 and virtualized
platforms.
This appendix is not a comprehensive list of all StarOS tasks. It simply provides general descriptions of
the primary tasks and subsystems within StarOS.
Important
It includes the following sections:
•
•
Primary Task Subsystems, page 314
•
Controllers and Managers, page 315
•
Overview
For redundancy, scalability and robust call processing, StarOS supports a series of tasks that perform specific
functions. These tasks communicate with each other as needed to share control and data signals. As a result,
processes can be distributed across multiple tasks thus reducing the overall work-load on any given task and
improving system performance. This distributed design provides fault containment that greatly minimizes the
impact to processes or sessions due to a failure.
The Exec mode
show task
command displays snapshots of running processes within StarOS. For detailed
information about this command, see the
Command Line Interface Reference
and
Statistics and Counters
Reference
.
The following sections describe the primary tasks that are implemented by StarOS:
•
Primary Task Subsystems, on page 314
•
Controllers and Managers, on page 315
ASR 5500 System Administration Guide, StarOS Release 21.5
313
