ChorusOS 5.0 Features and Architecture Overview

What's New in 5.0?

The following new features have been added in release 5.0 of the ChorusOS operating system, with an emphasis given to enhancing the high availability and real time services:

Table 1-1 New Features in ChorusOS 5.0


Feature	Description
Black Box	To provide enhanced tracking of system failures.
IPv6	IPv6 base services and commands.
NTP	Network Time Protocol
POSIX real-time API	Including Portable Operating System Interface (POSIX) signals, real-time signals, and process management to complement the existing ChorusOS API, providing a standard, easy migration of UNIX code and bringing the ChorusOS operating system closer to the Solaris operating environment.
Shared Libraries	To extend the existing dynamic libraries feature.
System Events	To notify user-level applications of events in the system or the drivers.
System Instrumentation	System resource instrumentation (with counters and gauges) to control resource usage and anticipate possible over-use or starvation.
System Logging	To provide further logging facilities.
Watchdog Timer Protection	To monitor the system and take action in case of failure.

These new features are covered in more detail in Chapter 2, Architecture and Benefits of the ChorusOS Operating System and Chapter 3, ChorusOS Operating System Features in this overview.