Version 4.0 of the ChorusOS operating system provides the following enhancements over version 3.2:
A full binary product:
Portable CPU family binary.
BSPs for porting on new platforms, adapting the boot method, changing and adding device drivers.
Reference implementations.
Hot Restart:
Simplified high availability management.
Modular and fully configurable components.
Enhanced TCP/IP:
Updated TCP/IP (BSD 2.2.8).
Multiple network interfaces.
Extended routing, IP forwarding and multicast DHCP.
Enhanced and simplified administration.
Operating system configuration:
Independent operating system components: devices, file systems, networking, dynamic application loading.
Reduced memory footprint, higher modularity and improved scalability.
Enhanced operating system features:
Dynamic libraries.
C++ exceptions.
Full support for flash memory.
Line disciplines.
Device file system.
Sun Embedded WorkShop 4.0:
Open debugger integration framework.
GUI based configuration tool.
Uniform configuration data.
Uniform application, BSP and driver development environment.