Knowledge: quality of service

• CTRON ∞
• Nemesis ∞

See Also:

• computers → software → operating systems → realtime
• computers → software → operating systems → research

Links

Scout 
http://www.cs.arizona.edu/scout/

Free for non-commercial use. Communication-oriented OS focused on network systems: network-attached devices, set-top boxes, and hand-held devices. Fast, customizable, based on new ways to structure and construct OSs: The Path: how data flows between end-points in a system; paths are primary objects to which resources are assigned. Also exploring new compiler technologies for system design and implementation, based on this insight: extensible OSs are worthless if no one can build or extend them.

Project Satori 
http://www.arl.wustl.edu/projects/archive/ito/

High-Performance distributed object environment emphasizing adaptive end-to-end QoS guarantees. Abstract, components, documents, people, funding.

SUMO 
http://www.comp.lancs.ac.uk/computing/research/sumo/

SUpport for Multimedia in Operating systems, Lancaster University: microkernel OS with facilities to support distributed realtime and multimedia applications and ODP-based multimedia distributed application platforms.

DROPS: Dresden Real-Time Operating System Project 
http://os.inf.tu-dresden.de/drops/

Several RTOSs with QoS focus: much research is done on networking support for continuous-media applications, very few projects tackle related OS issues, such as scheduling and file system support for bounded response time: overview, status, download, installation, use, documentation, papers.

Roadrunner 
http://www.cornfed.com/

One-user, general purpose OS built on a protected memory, POSIX threads RT kernel; full kernel, device drivers, file systems, and network protocols runs in about 200 K RAM; now runs on x86 CPUs but designed for easy portability. [Open source, GPL]

Tornado 
http://www.eecg.toronto.edu/EECG/RESEARCH/ParallelSys/tornado.html

Object-oriented operating system for large-scale shared-memory multiprocessors. Minimizes data sharing via careful design: often eliminates data sharing even when sharing appears natural. Successor to Hurricane.

Getting Closer to 99.9999% Network Uptime 
http://practical-tech.com/network/getting-closer-to-999999-network-uptime/

Has information loss become so crucial? Is there real demand for highly available networks? Or are network OEMs, fighting a bad economy, making high-tech versions of detergent ads claiming new and improved? Vaughan-Nichols & Associates.

Newsgroups

• comp.os.misc
• comp.os.research

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